{"id":85,"date":"2021-04-13T12:48:00","date_gmt":"2021-04-13T04:48:00","guid":{"rendered":"http:\/\/daishen.ltd\/?p=85"},"modified":"2021-07-26T20:46:58","modified_gmt":"2021-07-26T12:46:58","slug":"nosql_%e5%ae%89%e8%a3%85redis","status":"publish","type":"post","link":"https:\/\/daishen.ltd\/?p=85","title":{"rendered":"NoSQL_\u5b89\u88c5Redis"},"content":{"rendered":"<p><meta charset=\"UTF-8\"><meta name=\"viewport\" content=\"width=device-width initial-scale=1\"><br \/>\n<title>NoSQL_\u5b89\u88c5Redis<\/title><\/p>\n<h1>\u5b89\u88c5Redis<\/h1>\n<h2>\u76ee\u5f55\u89c4\u5212<\/h2>\n<pre><code class=\"language-shell\" lang=\"shell\">### redis.\u4e0b\u8f7d\u76ee\u5f55\n\/data\/soft\/\n\n### redis\u5b89\u88c5\u76ee\u5f55\u3002\n\/opt\/redis_cluster\/redis_{PORT}\/{conf,1ogs,pid}\n\n### redis\u6570\u636e\u76ee\u5f55\n\/data\/redis_cluster\/redis_{PORT}\/redis_{P0RT}.rdb\n\n### redis\u8fd0\u7ef4\u811a\u672c\n\/root\/scripts\/redis_shell.sh\n<\/code><\/pre>\n<h2>\u5b89\u88c5\u547d\u4ee4<\/h2>\n<pre><code class=\"language-shell\" lang=\"shell\">###\u7f16\u8f91hosts\u6587\u4ef6\u3002\n[root@db01^ ]#vim \/etc\/hosts\n\n10.0.0.51 db01\n10.0.0.52 db02\n10.0.0.53 db03\n\nmkdir -p \/data\/soft\n\nmkdir -p \/data\/redis_cluster\/redis_6379\n\nmkdir -p \/opt\/redis_cluster\/redis_6379\/{conf,pid,logs}\n\ncd \/data\/soft\/\n\nwget https:\/\/download.redis.io\/releases\/redis-6.0.9.tar.gz\n\ntar -zxf redis-6.0.9.tar.gz -C \/opt\/redis_cluster\/\n\nln -s \/opt\/redis_cluster\/redis-6.0.9\/ \/opt\/redis_cluster\/redis\n\ncd \/opt\/redis_cluster\/redis\n\nmake &amp;&amp; make install\n\ncd \/opt\/redis_cluster\/redis_6379 \n\nvim \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf  \n\n###\u4ee5\u5b88\u62a4\u8fdb\u7a0b\u6a21\u5f0f\u542f\u52a8\ndaemonize yes \n###\u7ed1\u5b9a\u7684\u4e3b\u673a\u5730\u5740\nbind 10.0.0.51\n###\u76d1\u542c\u7aef\u53e3\nport 6379 \n###pid\u6587\u4ef6\u548c1og\u6587\u4ef6\u7684\u4fdd\u5b58\u5730\u5740\npidfile \/opt\/redis_cluster\/redis_6379\/pid\/redis_6379.pid\nlogfile \/opt\/redis_cluster\/redis_6379\/logs\/redis_6379.log\n###\u8bbe\u7f6e\u6570\u636e\u5e93\u7684\u6570\u91cf\uff0c\u9ed8\u8ba4\u6570\u636e\u5e93\u4e3a0\ndatabases 16\n###\u6307\u5b9a\u672c\u5730\u6301\u4e45\u5316\u6587\u4ef6\u7684\u6587\u4ef6\u540d\uff0c\u9ed8\u8ba4\u662fdump.rdb\ndbfilename redis_6379.rdb\n###\u672c\u5730\u6570\u636e\u5e93\u7684\u76ee\u5f55\ndir \/data\/redis_cluster\/redis_6379 \n\n<\/code><\/pre>\n<h2>\u542f\u52a8\u5173\u95edRedis<\/h2>\n<p>redis-cli\t\t\u5ba2\u6237\u7aef<br \/>\nredis-server\t\u670d\u52a1\u7aef<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">#\u542f\u52a8Redis\u670d\u52a1\n\nredis-server \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf \n\n#\u5173\u95edRedis\u670d\u52a1\n\n10.0.0.51:6379&gt; shutdown\n\nredis-cli shutdown\n<\/code><\/pre>\n<h2>systemd\u542f\u52a8\u914d\u7f6e<\/h2>\n<p>&nbsp;<\/p>\n<pre><code class=\"language-csharp\" lang=\"csharp\">groupadd -g 1000 redis\nuseradd -u 1000 -g 1000 -M -s \/sbin\/nologin\nchown -R redis:redis \/data\/redis*\nchown -R redis:redis \/opt\/redis*\n    \ncat &gt;\/usr\/lib\/systemd\/system\/redis.service&lt;&lt;EOF\n[Unit]\nDescription=Redis persistent key-value database\nAfter=network.target\nAfter=network-online.target\nWants=network-online.target\n\n[Service]\nExecStart=\/usr\/local\/bin\/redis \/opt\/redis_6379\/conf\/redis_6379.conf --supervised systemd\nExecStop=\/usr\/local\/bin\/redis-cli -h $(ifconfig eth0|awk 'NR==2{print $2}') -p 6379 shutdown\nType=notify\nUser=redis\nGroup=redis\nRuntimeDirectory=redis\nRuntimeDirectoryMode=0755\n\n[Install]\nWantedBy=multi-user.target\nEOF\nsystemctl daemon-reload \nsystemctl start redis\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h1>\u5e38\u7528\u547d\u4ee4<\/h1>\n<h2>\u5168\u5c40\u547d\u4ee4<\/h2>\n<pre><code>Redis\u67095\u79cd\u6570\u636e\u7ed3\u6784,\u4ed6\u4eec\u662f\u952e\u503c\u5bf9\u4e2d\u7684\u503c,\u5bf9\u4e8e\u952e\u6765\u8bf4\u6709\u4e00\u4e9b\u901a\u7528\u7684\u547d\u4ee4.\n1.\u67e5\u770b\u6240\u6709\u547d\u952e\u3002\nKeys *\n#\u5341\u5206\u5371\u9669\u7684\u547d\u4ee4,\u7ebf\u4e0a\u7981\u6b62\u4f7f\u7528\n2.\u67e5\u770b\u952e\u7684\u603b\u6570\u3002\nDbsize \n# dbsize \u547d\u4ee4\u5728\u8ba1\u7b97\u952e\u603b\u6570\u65f6\u4e0d\u4f1a\u904d\u5386\u6240\u6709\u952e,\u800c\u662f\u76f4\u63a5\u83b7\u53d6Redis\u5185\u7f6e\u7684\u952e\u603b\u6570\u53d8\u91cf. \n3.\u68c0\u67e5\u952e\u662f\u5426\u5b58\u5728\u3002\nExists key\n#\u5982\u679c\u952e\u5b58\u5728\u5219\u8fd4\u56de1,\u4e0d\u5b58\u5728\u5219\u8fd4\u56de0\n4.\u5220\u9664\u952e\nDe1 key [key ..]\n#\u901a\u7528\u547d\u4ee4,\u65e0\u8bba\u503c\u662f\u4ec0\u4e48\u6570\u636e\u7ed3\u6784\u7c7b\u578b\uff0cdel\u547d\u4ee4\u90fd\u53ef\u4ee5\u5c06\u5176\u5220\u9664\n5.\u952e\u8fc7\u671f\u3002\nExpire key seconds\nttl #\u67e5\u770b\u8fc7\u671f\u65f6\u95f4\n-1\t\u6c38\u4e0d\u8fc7\u671f\n-2\t\u6ca1\u6709\u8fd9\u4e2akey\n\u6570\u5b57\t \u8fd9\u4e2akey\u5b58\u5728\uff0c\u5e76\u4e14\u5728N\u79d2\u540e\u8fc7\u671f\n\u6ce8\u610f\uff1a\u91cd\u590d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4f1a\u9020\u6210\u6c38\u4e0d\u8fc7\u671f\nPERSIST k \u53d6\u6d88\u8fc7\u671f\u65f6\u95f4\n6.\u67e5\u770b\u7c7b\u578b\nTYPE key\n<\/code><\/pre>\n<h2>String\u7c7b\u578b\u5bf9\u5e94\u64cd\u4f5c<\/h2>\n<h3>set &#8212; \u8bbe\u7f6e\u4e00\u4e2a\u952e\u5bf9\u5e94\u7684\u503c(\u952e\u4e0d\u5b58\u5728\u4f1a\u88ab\u521b\u5efa)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nset key value [expiration EX seconds|PX milliseconds] [NX|XX]\nEX \u662f\u6307\u6682\u5b58\u65f6\u95f4(\u79d2)\n\u4f8b\u5982\uff1a\n127.0.0.1:6379&gt; set k1 v1\nOK\n<\/code><\/pre>\n<h3>get &#8212; \u5f97\u5230\u4e00\u4e2a\u952e\u5bf9\u5e94\u7684\u503c<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nget key\n\u4f8b\u5982\uff1a\n127.0.0.1:6379&gt; get k1\nv1\n<\/code><\/pre>\n<h3>append &#8212; \u4e3a\u4e00\u4e2a\u952e\u5bf9\u5e94\u7684\u503c\u8fdb\u884c\u62fc\u63a5<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nappend key value\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; append animal ' Dog'\n(integer) 7\n127.0.0.1:6379&gt; get animal\n\"Cat Dog\"\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>mset &#8212; \u8bbe\u7f6e\u591a\u4e2a\u952e\u7684\u503c(\u952e\u4e0d\u5b58\u5728\u4f1a\u88ab\u521b\u5efa)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nmset key value [key value ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; mset k1 v1 k2 v2 k3 v3 k4 v4\nOK\n<\/code><\/pre>\n<h3>mget &#8212; \u83b7\u53d6\u952e\u5bf9\u5e94\u7684\u503c<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nmget key [key ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; mget k1 k2 k3 k4\n1) \"v1\"\n2) \"v2\"\n3) \"v3\"\n4) \"v4\"\n<\/code><\/pre>\n<h3>del &#8212; \u5220\u9664\u4e00\u4e2a\u952e\u503c\u5bf9<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\ndel key [key ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; del k1\n(integer) 1\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>incr\u3001decr   \u81ea\u589e \u3001\u81ea\u51cf<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nincr key\nincrby \u81ea\u589e\u591a\u4e2a\ndecr key\n\u4f8b\u5b50:\n127.0.0.1:6379&gt; set k1 8\nOK\n127.0.0.1:6379&gt; incr k1  #\u52a0\u4e00\u4e2a\n(integer) 9\n127.0.0.1:6379&gt; incrby k1 100 #\u52a0100\u4e2a\n\n127.0.0.1:6379&gt; decr k1\n(integer) 8\n<\/code><\/pre>\n<h3>\u952e\u8fc7\u671f<\/h3>\n<pre><code>EXPIRE key seconds\nTTL #\u67e5\u770b\u8fc7\u671f\u65f6\u95f4\n-1\t\u6c38\u4e0d\u8fc7\u671f\n-2\t\u6ca1\u6709\u8fd9\u4e2akey\n\u6570\u5b57\t\u8fd8\u6709\u591a\u957f\u65f6\u95f4\u8fc7\u671f\n\u6ce8\u610f\uff1a\u91cd\u590d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4f1a\u9020\u6210\u6c38\u4e0d\u8fc7\u671f\nPERSIST k \u53d6\u6d88\u8fc7\u671f\u65f6\u95f4\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2>\u5217\u8868\u5bf9\u5e94\u64cd\u4f5c<\/h2>\n<h3>lpush &#8212; \u4ece\u5de6\u63d2\u5165\u4e00\u4e2a\u6570\u636e(\u4ece\u961f\u5217\u5934\u90e8\u63d2\u5165\u4e00\u4e2a\u6570\u636e)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nlpush key value [value ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; lpush q1 'Jhon' 'Cat' 'Amy'\n(integer) 3\n<\/code><\/pre>\n<h3>rpush &#8212; \u4ece\u53f3\u63d2\u5165\u4e00\u4e2a\u6570\u636e(\u4ece\u961f\u5217\u5c3e\u90e8\u63d2\u5165\u4e00\u4e2a\u6570\u636e)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nrpush key value [value ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; rpush q1 'Bob'\n(integer) 4\n<\/code><\/pre>\n<h3>llen &#8212; \u67e5\u770b\u961f\u5217\u957f\u5ea6<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nllen key\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; llen q1\n(integer) 4\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>lrange &#8212; \u67e5\u770b\u961f\u5217\u5185\u5bb9<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nlrange key start stop\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; lrange q1 0 -1\n1) \"Amy\"\n2) \"Cat\"\n3) \"Jhon\"\n4) \"Bob\"\n<\/code><\/pre>\n<p>\u4e0epython\u7c7b\u4f3c-1\u4ee3\u8868\u5012\u6570\u7b2c\u4e00\u4f4d\uff0c\u4e5f\u5c31\u662f\u6700\u540e\u4e00\u4e2a<\/p>\n<h3>lpushx &#8212; \u5411\u5b58\u5728\u7684\u5217\u8868\u4e2d\u5de6\u63d2\u5165\u4e00\u4e2a\u503c(\u63d2\u5165\u4e0d\u5b58\u5728\u7684\u5217\u8868\u65f6\u4e0d\u505a\u4efb\u4f55\u64cd\u4f5c)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nlpushx key value\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; lpushx q1 'zhang'\n(integer) 5\n127.0.0.1:6379&gt; lrange q1 0 -1\n1) \"zhang\"\n2) \"Amy\"\n3) \"Cat\"\n4) \"Jhon\"\n5) \"Bob\"\n127.0.0.1:6379&gt; lpushx q2 'zhang'\n(integer) 0\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>rpushx &#8212; \u5411\u5b58\u5728\u7684\u5217\u8868\u4e2d\u53f3\u63d2\u5165\u4e00\u4e2a\u503c(\u63d2\u5165\u4e0d\u5b58\u5728\u7684\u5217\u8868\u65f6\u4e0d\u505a\u4efb\u4f55\u64cd\u4f5c)<\/h3>\n<pre><code class=\"language-undefined\" lang=\"undefined\">\u5411\u5b58\u5728\u7684\u5217\u8868\u4e2d\u53f3\u63d2\u5165\u4e00\u4e2a\u503c\n<\/code><\/pre>\n<h3>ltrim &#8212; \u5de6\u622a\u53d6\u4e00\u5b9a\u957f\u5ea6\u7684\u5217\u8868(\u5269\u4e0b\u7684\u5220\u9664)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nltrim key start stop\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; ltrim  q1 0 2\nOK\n127.0.0.1:6379&gt; lrange q1 0 -1\n1) \"zhang\"\n2) \"Amy\"\n3) \"Cat\"\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>lpop &#8212; \u5de6\u5220\u9664\u5217\u8868\u4e2d\u7684\u4e00\u4e2a\u503c<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\n lpop key\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; lpop q1\n\"zhang\"\n127.0.0.1:6379&gt; lrange q1 0 -1\n1) \"Amy\"\n2) \"Cat\"\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>rpop &#8212; \u53f3\u5220\u9664\u5217\u8868\u4e2d\u7684\u4e00\u4e2a\u503c<\/h3>\n<pre><code class=\"language-undefined\" lang=\"undefined\">\u628a\u53f3\u8fb9\u7684\u5f39\u8d70\n<\/code><\/pre>\n<hr>\n<h2>\u96c6\u5408\u7c7b\u578b\u76f8\u5173\u64cd\u4f5c<\/h2>\n<h3>sadd &#8212; \u5411\u96c6\u5408\u4e2d\u52a0\u5165\u5143\u7d20<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsadd key member [member ...]\n\u4f8b\u5b50\uff1a\nSADD set1 1 2 3\nSADD set2 1 3 5 7 \n<\/code><\/pre>\n<p>\u96c6\u5408\u7c7b\u578b\u4e2d\uff0c\u4e0d\u5141\u8bb8\u51fa\u73b0\u91cd\u590d\u5185\u5bb9<\/p>\n<h3>smembers &#8212; \u67e5\u770b\u96c6\u5408\u4e2d\u7684\u5143\u7d20<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\n smembers key\n\u4f8b\u5b50\uff1a\nSMEMBERS set1\nSMEMBERS set2\n<\/code><\/pre>\n<h3>srem &#8212; \u4ece\u96c6\u5408\u4e2d\u79fb\u9664\u5143\u7d20<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsrem key member [member ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; srem zoo Cat\n(integer) 1\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>sismember &#8212; \u67e5\u770b\u67d0\u4e2a\u503c\u662f\u5426\u5728\u67d0\u4e2a\u96c6\u5408\u4e2d<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsismember key member\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; sismember zoo Dog\n(integer) 1\n127.0.0.1:6379&gt; sismember zoo Cat\n(integer) 0\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<p>1 \u4ee3\u8868\u5b58\u5728\uff0c0 \u4ee3\u8868\u4e0d\u5b58\u5728<\/p>\n<h3>sdiff &#8212; \u6bd4\u8f83\u96c6\u5408\u95f4\u7684\u4e0d\u540c(\u67e5\u770b\u96c6\u5408\u7684\u5dee\u96c6)<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsdiff key [key ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; SDIFF set1 set2\n1) \"2\"\n  \n127.0.0.1:6379&gt; SDIFF set2 set1\n1) \"5\"\n2) \"7\"\n<\/code><\/pre>\n<p>\u5148\u67e5\u770bzoo \u3001zoo1\u91cc\u6709\u4ec0\u4e48\uff0c\u518d\u6bd4\u8f83\u4e00\u4e0b\u4e0d\u540c<\/p>\n<h3>sinter &#8212; \u8ba1\u7b97\u96c6\u5408\u7684\u4ea4\u96c6<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsinter key [key ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; SINTER set1 set2\n1) \"1\"\n2) \"3\"\n<\/code><\/pre>\n<h3>sunion &#8212; \u8ba1\u7b97\u96c6\u5408\u7684\u5e76\u96c6<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nsunion key [key ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; SUNION set1 set2\n1) \"1\"\n2) \"2\"\n3) \"3\"\n4) \"5\"\n5) \"7\"\n<\/code><\/pre>\n<hr>\n<h2>Hash\u76f8\u5173\u64cd\u4f5c<\/h2>\n<h2>mysql\u6570\u636e\u5982\u4f55\u7f13\u5b58\u5230redis<\/h2>\n<pre><code>mysql\u5b58\u50a8\u683c\u5f0f\uff1a\nuser\nid name   job  age\n1  bobo   IT   28\n2  json   py   25\n3  hao    bug  26\n  \nhash\u7c7b\u578b\u5b58\u50a8\u683c\u5f0f\uff1a\nkey    field value field   value        \nuser:1   name  bobo  job     IT     age 28\nuser:2   name  json  job     py     age 25\nuser:3   name  hao   job     bug    age 26\n<\/code><\/pre>\n<h3>hset\/hget &#8212;  \u8bbe\u7f6e\/\u83b7\u53d6\u6563\u5217\u503c<\/h3>\n<pre><code>select name from user where id =1 ;\n\u7528\u6cd5\uff1a\nhset key field value\nhget key field\n\u4f8b\u5b50\uff1a\nHMSET user:1 name bobo job IT age 28\nHMSET user:2 name json job py age 29\nHMSET user:3 name hao job bug age 19 \n<\/code><\/pre>\n<p>\u8fd9\u91cc\uff08news:1\uff09\u662f\u4e00\u4e2a\u6574\u4f53\uff0c\u5728\u8fd9\u91cc\u4f5c\u4e3akey<\/p>\n<h3>hmset\/hmget &#8212; \u8bbe\u7f6e\/\u83b7\u53d6\u591a\u5bf9\u6563\u5217\u503c<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhmset key field value [field value ...]\nhmget key field [field ...]\n\u4f8b\u5b50\uff1a\nHMGET user:1 name  \nHMGET user:1 name job age\n\n\u67e5\u770bHash\u91cc\u6240\u6709\u7684\u503c\nselect * from user where id =1 ;\n\nHGETALL user:1\n<\/code><\/pre>\n<h3>hsetnx &#8212; \u5982\u679c\u6563\u5217\u503c\u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u4e0d\u8bbe\u7f6e<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhsetnx key field value\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; hget news:2 is_valid\n\"1\"\n127.0.0.1:6379&gt; hsetnx news:2 is_valid 2\n(integer) 0\n127.0.0.1:6379&gt; hget news:2 is_valid\n\"1\"\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>hkeys\/hvals &#8212; \u8fd4\u56de\u6240\u6709Keys\/Values<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhkeys key\nhvals key\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; hkeys news:1\n1) \"title\"\n2) \"content\"\n127.0.0.1:6379&gt;\n127.0.0.1:6379&gt; hvals news:2\n1) \"Title2\"\n2) \"Content2\"\n3) \"1\"\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>hlen &#8212; \u8fd4\u56de\u6563\u5217\u5305\u542b\u57df\uff08field\uff09\u7684\u6570\u91cf<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhlen key\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; hlen news:2\n(integer) 3\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>hdel &#8212; \u5220\u9664\u6563\u5217\u6307\u5b9a\u7684\u57df\uff08field\uff09<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhdel key field [field ...]\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; hdel news:2 is_valid\n(integer) 1\n127.0.0.1:6379&gt;\n<\/code><\/pre>\n<h3>hexists &#8211;\u5224\u65ad\u6563\u5217\u662f\u5426\u5b58\u5728<\/h3>\n<pre><code>\u7528\u6cd5\uff1a\nhexists key field\n\u4f8b\u5b50\uff1a\n127.0.0.1:6379&gt; hexists news:2 is_valid\n(integer) 0\n<\/code><\/pre>\n<h1>\u6570\u636e\u6301\u4e45\u5316<\/h1>\n<h2>RDB\u548cAOF\u4ecb\u7ecd<\/h2>\n<pre><code class=\"language-undefined\" lang=\"undefined\">RDB\uff1a\u7c7b\u4f3c\u4e8e\u5feb\u7167\u7684\u5f62\u5f0f\uff0c\u5f53\u524d\u5185\u5b58\u91cc\u7684\u72b6\u6001\u6301\u4e45\u5316\u5230\u786c\u76d8\u91cc\n\u4f18\u70b9\uff1a\u538b\u7f29\u683c\u5f0f\/\u6062\u590d\u901f\u5ea6\u5feb\n\u7f3a\u70b9\uff1a\u4e0d\u662f\u5b9e\u65f6\u7684\uff0c\u53ef\u80fd\u4f1a\u4e22\u5931\u6570\u636e,\u64cd\u4f5c\u6bd4\u8f83\u91cd\n    \nAOF\uff1a\u7c7b\u4f3c\u4e8emysql\u7684binlog\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u6bcf\u79d2\/\u6bcf\u6b21\u64cd\u4f5c\u4ee5\u8ffd\u52a0\u7684\u5f62\u5f0f\u6301\u4e45\u5316\n\u4f18\u70b9\uff1a\u5b89\u5168\uff0c\u6700\u591a\u635f\u59311\u79d2\u7684\u6570\u636e\uff0c\u53ef\u8bfb\n\u7f3a\u70b9\uff1a\u6587\u4ef6\u6bd4\u8f83\u5927\uff0c\u6062\u590d\u901f\u5ea6\u6162\n<\/code><\/pre>\n<h2>RDB<\/h2>\n<p>RDB\u6301\u4e45\u5316\u662f\u628a\u5f53\u524d\u8fdb\u7a0b\u6570\u636e\u751f\u6210\u5feb\u7167\u4fdd\u5b58\u5230\u786c\u76d8\u7684\u8fc7\u7a0b\u89e6\u53d1RDB\u6301\u4e45\u5316\u8fc7\u7a0b\u5206\u4e3a\u624b\u52a8\u51fa\u53d1\u548c\u81ea\u52a8\u89e6\u53d1.<\/p>\n<h3>1.1\u89e6\u53d1\u673a\u5236<\/h3>\n<p>\u624b\u52a8\u89e6\u53d1\u5206\u4e3asave \u548cbgsava\u547d\u4ee4:<\/p>\n<h4>1.1.1 bgsave\u547d\u4ee4<\/h4>\n<p>Redis.\u8fdb\u7a0b\u6267\u884cfork\u64cd\u4f5c\u521b\u5efa\u5b50\u8fdb\u7a0b,RDB\u6301\u4e45\u5316\u8fc7\u7a0b\u7531\u5b50\u8fdb\u7a0b\u8d1f\u8d23\u5b8c\u6210\u540e\u81ea\u52a8\u7ed3\u675f\u963b\u585e\u53ea\u53d1\u751f\u5728fork\u9636\u6bb5,-\u822c\u65f6\u95f4\u5f88\u77ed\u8fd0\u884cbgsave\u547d\u4ee4\u5bf9\u5e94\u7684Redis.\u65e5\u5fd7\u5982\u4e0b<br \/>\n\u663e\u7136,bgsave\u547d\u4ee4\u662f\u9488\u5bf9save\u963b\u585e\u95ee\u9898\u505a\u7684\u4f18\u5316\u56e0\u6b64Redis\u5185\u90e8\u6240\u6709\u6d89\u53caRDB\u7684\u64cd\u4f5c\u90fd\u91c7\u7528bgsave.\u7684\u65b9\u5f0f,save\u547d\u4ee4\u5df2\u7ecf\u88ab\u5e9f\u5f03.<\/p>\n<h3>1.2 \u81ea\u52a8\u89e6\u53d1RDB\u7684\u6301\u4e45\u5316\u673a\u5236<\/h3>\n<p>1.\u4f7f\u7528save \u76f8\u5173\u914d\u7f6e,\u5982&#8221;save m n&#8221;.\u8868\u793am\u79d2\u5185\u6570\u636e\u96c6\u5b58\u5728n\u6b21\u4fee\u6539\u65f6\uff0c\u81ea\u52a8\u89e6\u53d1bgeave,<br \/>\n2.\u5982\u679c\u4ece\u8282\u70b9\u6267\u884c\u5168\u91cf\u590d\u5236\u64cd\u4f5c\uff0c\u4e3b\u8282\u70b9\u81ea\u52a8\u6267\u884cbgsave \u751f\u6210RDB\u6587\u4ef6\u5e76\u53d1\u7ed9\u4ece\u8282\u70b9.<br \/>\n3.\u6267\u884cdebug reload\u547d\u4ee4\u91cd\u65b0\u52a0\u8f7dRedis\u65f6\uff0c\u4e5f\u4f1a\u81ea\u52a8\u89e6\u53d1save\u64cd\u4f5c.<br \/>\n4.\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6267\u884cshutdown\u547d\u4ee4\u65f6,\u5982\u679c\u6ca1\u6709\u5f00\u542faof\u6301\u4e45\u5316\u529f\u80fd\u5219\u81ea\u52a8\u6267\u884cbgsave.<\/p>\n<h3>1.3\u6d41\u7a0b\u8bf4\u660e<\/h3>\n<p><img decoding=\"async\" src=\"D:\\BaiduNetdiskDownload\\\u6570\u636e\u5e93DBA\\RDB\u6d41\u7a0b\u56fe.png\" referrerpolicy=\"no-referrer\" alt=\"image-20201216115743228\"><\/p>\n<p>1.\u6267\u884cbgsave\u547d\u4ee4Redis \u7236\u8fdb\u7a0b\u5224\u65ad\u5f53\u524d\u662f\u5426\u5b58\u5728\u6b63\u5728\u6267\u884c\u7684\u5b50\u8fdb\u7a0b,\u5982RDB\/AOF\u5b50\u8fdb\u7a0b,\u5982\u679c\u5b58\u5728bgsave\u547d\u4ee4\u76f4\u63a5\u8fd4\u56de.<\/p>\n<p>2.\u7236\u8fdb\u7a0b\u6267\u884cfork\u64cd\u4f5c\u521b\u5efa\u5b50\u8fdb\u7a0bfork\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u7236\u8fdb\u7a0b\u4f1a\u963b\u585e\u901a\u8fc7info stats\u547d\u4ee4\u67e5\u770blastest. fork. usec \u9009\u9879,\u53ef\u4ee5\u83b7\u53d6\u6700\u8fd1-\u4e2afork\u64cd\u4f5c\u7684\u8017\u65f6\uff0c\u5355\u4f4d\u4e3a\u5fae\u79d2.<br \/>\n3.\u7236\u8fdb\u7a0bfork\u5b8c\u6210\u540e,bgsave\u547d\u4ee4\u8fd4\u56de&#8221; Background saving started&#8221;\u4fe1\u606f\u5e76\u4e0d\u518d\u963b\u585e\u7236\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u7ee7\u7eed\u54cd\u5e94\u5176\u4ed6\u547d\u4ee4.<br \/>\n4.\u5b50\u8fdb\u7a0b\u521b\u5efaRDB\u6587\u4ef6,\u6839\u636e\u7236\u8fdb\u7a0b\u5185\u5b58\u751f\u6210\u4e34\u65f6\u5feb\u7167\u6587\u4ef6\uff0c\u5b8c\u6210\u540e\u5bf9\u6e90\u6587\u4ef6\u8fdb\u884c\u539f\u5b50\u66ff\u6362\uff0c\u6267\u884clastsave\u547d\u4ee4\u53ef\u4ee5\u83b7\u53d6\u6700\u540e\u4e00\u6b21\u751f\u6210RDB\u7684\u65f6\u95f4\uff0c\u5bf9\u5e94Info\u7edf\u8ba1\u7684rdb_ last_ save_time \u9009\u9879<br \/>\n5.\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\u7ed9\u7236\u8fdb\u7a0b\u8868\u793a\u5b8c\u6210\uff0c\u7236\u8fdb\u7a0b\u66f4\u65b0\u7edf\u8ba1\u4fe1\u606f\uff0c\u5177\u4f53\u89c1info Persistence \u4e0b\u7684rdb_.*\u76f8\u5173\u9009\u9879.<\/p>\n<h3>1.4 RDB\u6587\u4ef6\u7684\u5904\u7406<\/h3>\n<h4>1.4.1 \u4fdd\u5b58<\/h4>\n<p>RDB\u6587\u4ef6\u4fdd\u5b58\u5728dir\u914d\u7f6e\u6307\u5b9a\u7684\u76ee\u5f55\u4e0b,\u6587\u4ef6\u540d\u901a\u8fc7dbfilename\u914d\u7f6e\u6307\u5b9a\u53ef\u4ee5\u901a\u8fc7\u6267\u884cconfig, set dir{newDir}\u548cconfig set dbfilename, {newFileName} \u8fd0\u884c\u671f\u52a8\u6001\u6267\u884c\uff0c\u5f53\u4e0b\u6b21\u8fd0\u884c\u65f6RDB\u6587\u4ef6\u4f1a\u4fdd\u5b58\u5230\u6307\u5b9a\u76ee\u5f55.<\/p>\n<h4>1.4.2 \u538b\u7f29<\/h4>\n<p>Redis\u9ed8\u8ba4\u91c7\u7528LZF\u7b97\u6cd5\u5bf9\u751f\u6210\u7684RDB\u6587\u4ef6\u505a\u538b\u7f29\u5904\u7406\u538b\u7f29\u5904\u7406\u540e\u7684\u6587\u4ef6\u8fdc\u8fdc\u5c0f\u4e8e\u5185\u5b58\u5927\u5c0f\u9ed8\u8ba4\u5f00\u542f\uff0c\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570confis, set rdbcompression {yes|no} \u52a8\u6001\u4fee\u6539.<\/p>\n<h4>1.4.3\u6821\u9a8c<\/h4>\n<p>\u5982\u679cRedis\u52a0\u8f7d\u635f\u574f\u7684RDB\u6587\u4ef6\u65f6\u62d2\u7edd\u542f\u52a8,\u5e76\u6253\u5370\u5982\u4e0b\u65e5\u5fd7<\/p>\n<pre><code>#Short read or OMM loading DB .Unrecoverable error, aborting now.\n<\/code><\/pre>\n<p>\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528redis\u63d0\u4f9b\u7684redis-check-dump\u5de5\u5177\u68c0\u6d4bRDB\u6587\u4ef6\u5e76\u83b7\u53d6\u5bf9\u5e94\u7684\u9519\u8bef\u62a5\u544a.<\/p>\n<h3>1.5 RDB\u7684\u4f18\u7f3a\u70b9<\/h3>\n<h4>1.5.1 \u4f18\u70b9<\/h4>\n<p>1.RDB\u662f\u4e00\u4e2a\u7d27\u6e4a\u538b\u7f29\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6,\u4ee3\u8868Redis\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u4e0a\u7684\u6570\u636e\u5feb\u7167\u975e\u5e38\u9002\u7528\u4e8e\u5907\u4efd,\u5168\u91cf\u590d\u5236\u7b49\u573a\u666f.\u6bd4\u5982\u6bcf6\u5c0f\u65f6\u6267\u884cbgsave\u5907\u4efd\uff0c\u5e76\u628aRBD\u6587\u4ef6\u62f7\u8d1d\u5230\u8fdc\u7a0b\u673a\u5668\uff0c\u7528\u4e8e\u707e\u96be\u6062\u590d.<br \/>\n2.Redis\u52a0\u8f7dRDB\u6062\u590d\u6570\u636e\u8fdc\u8fdc\u5feb\u4e8eAOF\u7684\u65b9\u5f0f\uff0c<\/p>\n<h4>1.5.2 \u7f3a\u70b9<\/h4>\n<p>1.RDB\u65b9\u5f0f\u6570\u636e\u6ca1\u529e\u6cd5\u505a\u5230\u5b9e\u65f6\u6301\u4e45\u5316\u79d2\u7ea7\u6301\u4e45\u5316\u56e0\u4e3abgsave\u6bcf\u6b21\u8fd0\u884c\u90fd\u8981\u6267\u884cfork\u64cd\u4f5c\u521b\u5efa\u5b50\u8fdb\u7a0b,\u5c5e\u4e8e\u91cd\u91cf\u7ea7\u64cd\u4f5c\uff0c\u6267\u884c\u9891\u7e41\u6210\u672c\u8fc7\u9ad8.<br \/>\n2.RDB\u6587\u4ef6\u4f7f\u7528\u7279\u5b9a\u4e8c\u8fdb\u5236\u683c\u5f0f\u4fdd\u5b58,Redis\u7248\u672c\u6f14\u8fdb\u8fc7\u7a0b\u4e2d\u6709\u591a\u4e2a\u683c\u5f0f\u7684RDB\u7248\u672c,\u5b58\u5728\u8001\u7248\u672cRedis\u4e0d\u517c\u5bb9\u65b0\u7248RDB\u683c\u5f0f\u7684\u95ee\u9898<\/p>\n<h3>1.6  \u914d\u7f6eRDB<\/h3>\n<pre><code class=\"language-kotlin\" lang=\"kotlin\">vim \/etc\/redis\/6379.conf\n\nsave 900 1\nsave 300 10\nsave 60 10000\ndbfilename redis.rdb\ndir \/data\/redis_6379\/\n<\/code><\/pre>\n<h3>1.7 RDB\u7ed3\u8bba<\/h3>\n<pre><code class=\"language-shell\" lang=\"shell\">1.\u6ca1\u6709\u914d\u7f6esave\u53c2\u6570\u65f6\uff0cshutdown\u4e0d\u4f1a\u6301\u4e45\u5316\u4fdd\u5b58\n2.\u6ca1\u6709\u914d\u7f6esave\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u624b\u52a8\u6267\u884cbgsave\u89e6\u53d1\u6301\u4e45\u5316\n3.\u5728\u914d\u7f6e\u4e86save\u53c2\u6570\u540e\uff0cshutdown,kill,pkill\u90fd\u4f1a\u81ea\u52a8\u89e6\u53d1bgsave\n4.\u6062\u590d\u7684\u65f6\u5019\uff0crdb\u6587\u4ef6\u540d\u8981\u548c\u914d\u7f6e\u6587\u4ef6\u91cc\u5199\u7684\u4e00\u6837\u3002\n5.RDB\u9ad8\u7248\u672c\u517c\u5bb9\u4f4e\u7248\u672c\uff0c\u4f4e\u7248\u672c\u4e0d\u517c\u5bb9\u9ad8\u7248\u672c\n<\/code><\/pre>\n<h2>AOF<\/h2>\n<p>AOF(append only file)\u6301\u4e45\u5316:\u4ee5\u72ec\u7acb\u65e5\u5fd7\u7684\u65b9\u5f0f\u8bb0\u5f55\u6bcf\u6b21\u5199\u547d\u4ee4,\u91cd\u542f\u65f6\u518d\u6267\u884cAOF\u6587\u4ef6\u4e2d\u7684\u547d\u4ee4\u6253\u9053\u56de\u5e9c\u6570\u636e\u7684\u76ee\u7684AOF\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u89e3\u8bc0\u4e86\u6570\u636e\u6301\u4e45\u5316\u7684\u5b9e\u65f6\u6027\uff0c\u76ee\u524d\u5df2\u7ecf\u662fRedis\u6301\u4e45\u5316\u7684\u4e3b\u6d41<br \/>\n\u65b9\u5f0f\uff0c<\/p>\n<h3>2.1 \u4f7f\u7528AOF<\/h3>\n<p>\u5f00\u542fAOF\u529f\u80fd\u9700\u8981\u8bbe\u7f6e\u914d\u7f6e: appendenly yes\u9ed8\u8ba4\u4e0d\u5f00\u542f.AOF\u6587\u4ef6\u540d\u901a\u8fc7appendfilename\u914d\u7f6e\u8bbe\u7f6e,\u9ed8\u8ba4\u6587\u4ef6\u540d\u662fappendonly.aof,\u4fdd\u5b58\u8def\u5f84\u901aRDB\u6301\u4e45\u5316\u65b9\u5f0f\u4e00\u81f4\u901a\u8fc7dir\u914d\u7f6e\u6307\u5b9a.<\/p>\n<h3>2.2 AOF\u7684\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n<p><img decoding=\"async\" src=\"D:\\BaiduNetdiskDownload\\\u6570\u636e\u5e93DBA\\AOF\u5de5\u4f5c\u6d41\u7a0b.png\" referrerpolicy=\"no-referrer\" alt=\"image-20201216125539473\"><\/p>\n<p>1.\u6240\u6709\u5199\u5165\u547d\u4ee4\u4f1a\u8ffd\u52a0\u5230aof_ buf(\u7f13\u51b2\u533a)\u4e2d.<br \/>\n2.AOF\u7f13\u51b2\u533a\u6839\u636e\u5bf9\u5e94\u7684\u7b56\u7565\u5411\u786c\u76d8\u505a\u540c\u6b65\u64cd\u4f5c<br \/>\n3.\u968f\u7740AOF\u6587\u4ef6\u8d8a\u6765\u8d8a\u5927\u9700\u8981\u5b9a\u671f\u5bf9AOF\u6587\u4ef6\u8fdb\u884c\u91cd\u5199\uff0c\u8fbe\u5230\u538b\u7f29<br \/>\n4.\u5f53Redis\u670d\u52a1\u91cd\u542f\u65f6\uff0c\u53ef\u4ee5\u52a0\u8f7dAOF\u6587\u4ef6\u8fdb\u884c\u6570\u636e\u6062\u590d<\/p>\n<h3>2.3\u547d\u4ee4\u5199\u5165<\/h3>\n<p>AOF\u547d\u4ee4\u5199\u5165\u7684\u5185\u5bb9\u76f4\u63a5\u662f\u6587\u672c\u534f\u8bae\u683c\u5f0f,\u4f8b\u5982set hello world\u8fd9\u6761\u547d\u4ee4,\u5728AOF\u7f13\u51b2\u533a\u4f1a\u8ffd\u52a0\u6587\u672c<\/p>\n<pre><code>*3\\r\\n$3\\r\\nset\\r\\n$5\\r\\nhello\\rn$5\\r\\nworld\\r\\n \n<\/code><\/pre>\n<p>2.3.1\u5173\u4e8eAOF\u7684\u4e24\u4e2a\u7591\u60d1:<br \/>\n1) AOF\u4e3a\u4ec0\u4e48\u76f4\u63a5\u91c7\u7528\u6587\u672c\u534f\u8bae\u683c\u5f0f?\u53ef\u80fd\u7684\u7406\u7531\u5982\u4e0b:<br \/>\n-\u6587\u672c\u534f\u8bae\u5177\u6709\u5f88\u597d\u7684\u517c\u5bb9\u6027<br \/>\n-\u5f00\u542fAOF\u540e\uff0c\u6240\u6709\u5199\u5165\u547d\u4ee4\u90fd\u53ef\u4ee5\u5305\u542b\u8ffd\u52a0\u64cd\u4f5c\uff0c\u76f4\u63a5\u91c7\u7528\u534f\u8bae\u683c\u5f0f\uff0c\u907f\u514d\u4e86\u4e8c\u6b21\u5904\u7406\u5f00\u9500.<br \/>\n-\u6587\u672c\u534f\u8bae\u5177\u6709\u53ef\u8bfb\u6027\uff0c\u65b9\u4fbf\u76f4\u63a5\u4fee\u6539\u548c\u5904\u7406.<br \/>\n2)AOF\u4e3a\u4ec0\u4e48\u628a\u547d\u4ee4\u8ffd\u52a0\u5230aof_ buf \u4e2d?<br \/>\nRedis.\u4f7f\u7528\u5355\u7ebf\u7a0b\u54cd\u5e94\u547d\u4ee4,\u5982\u679c\u6bcf\u6b21\u5199\u5165AOF\u6587\u4ef6\u547d\u4ee4\u90fd\u76f4\u63a5\u8ffd\u52a0\u5230\u786c\u76d8,\u90a3\u4e48\u6027\u80fd\u5b8c\u5168\u53d6\u51b3\u4e8e\u5f53\u524d\u786c\u76d8\u8d1f\u8f7d\u5148\u5199\u5165\u7f13\u51b2\u533aaof_buf,\u4e2d\uff0c\u8fd8\u6709\u53e6\u4e00\u4e2a\u597d\u5904,Redis\uff0c\u53ef\u4ee5\u63d0\u4f9b\u591a\u79cd\u7f13\u51b2\u533a\u540c\u6b65\u786c\u76d8\u7684\u7b56\u7565,\u5728\u6027\u80fd\u548c\u5b89\u5168\u6027\u65b9\u9762\u505a\u51fa\u5e73\u8861.<\/p>\n<h3>2.4 \u6587\u4ef6\u540c\u6b65<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u79cdAOF\u7f13\u51b2\u533a\u540c\u6b65\u6587\u4ef6\u7b56\u7565\uff0c\u7531\u53c2\u6570appendfsync\u63a7\u5236,\u4e0d\u540c\u503c\u7684\u542b\u4e49\u5982\u4e0b\u8868:<\/p>\n<figure>\n<table>\n<thead>\n<tr>\n<th>\u53ef\u914d\u7f6e\u503c<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>alw ays<\/td>\n<td>\u547d\u4ee4\u5199\u5165aof_ buf \u540e\u8c03\u7528\u7cfb\u7edffsxns\u64cd\u4f5c\u540c\u6b65\u5230AOF\u6587\u4ef6,fsync\u5b8c\u6210\u540e\u7ebf\u7a0b\u8fd4\u56de.<\/td>\n<\/tr>\n<tr>\n<td>everysec.<\/td>\n<td>\u547d\u4ee4\u5199\u5165aof_buf \u540e\u8c03\u7528\u7cfb\u7edfwrite\u64cd\u4f5c,write\u5b8c\u6210\u540e\u7ebf\u7a0b\u8fd4\u56defsync\u540c\u6b65\u6587\u4ef6\u64cd\u4f5c\u7531<br \/>\n\u4e13\u95e8\u7ebf\u7a0b\u6bcf\u79d2\u8c03\u7528\u4e00\u6b21.<\/td>\n<\/tr>\n<tr>\n<td>no<\/td>\n<td>\u547d\u4ee4\u5199\u5165aof_buf \u540e\u8c03\u7528\u7cfb\u7edfwrite\u64cd\u4f5c\uff0c\u4e0d\u5bf9AOF\u6587\u4ef6\u505afsync\u540c\u6b65,\u540c\u6b65\u786c\u76d8\u64cd\u4f5c\u7531<br \/>\n\u64cd\u4f5c\u7cfb\u7edf\u8d1f\u8d23\u901a\u5e38\u540c\u6b65\u5468\u671f\u6700\u957f30\u79d2.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h4>2.4.1\u7cfb\u7edf\u8c03\u7528write\u548cfsync\u8bf4\u660e<\/h4>\n<p>1). write\u64cd\u4f5c\u4f1a\u89e6\u53d1\u5ef6\u8fdf\u5199(delayed write)\u673a\u5236Linux\u5728\u5185\u6838\u63d0\u4f9b\u9875\u7f13\u51b2\u533a\u7528\u6765\u63d0\u9ad8\u786c\u76d8IO\u6027\u80fdwrite\u64cd\u4f5c\u5728\u5199\u5165\u7cfb\u7edf\u7f13\u51b2\u533a\u540e\u76f4\u63a5\u8fd4\u56de\u540c\u6b65\u786c\u76d8\u64cd\u4f5c\u4f9d\u8d56\u4e8e\u7cfb\u7edf\u8c03\u5ea6\u673a\u5236,\u4f8b\u5982:\u7f13\u51b2\u533a\u9875\u7a7a\u95f4\u5199\u6ee1\u6216\u8fbe\u5230\u7279\u5b9a\u65f6\u95f4\u5468\u671f\u540c\u6b65\u6587\u4ef6\u4e4b\u524d,\u5982\u679c\u6b64\u65f6\u7cfb\u7edf\u6545\u969c\u5b95\u673a\uff0c\u7f13\u51b2\u533a\u5185\u6570\u636e\u5c06\u4e22\u5931.<\/p>\n<p>2)fsync\u9488\u5bf9\u5355\u4e2a\u6587\u4ef6\u64cd\u4f5c(\u6bd4\u5982AOF\u6587\u4ef6)\uff0c\u505a\u5f3a\u5236\u78c1\u76d8\u540c\u6b65,fsync\u5c06\u963b\u585e\u76f4\u5230\u5199\u5165\u786c\u76d8\u5b8c\u6210\u540e\u8fd4\u56de,\u4fdd\u8bc1\u4e86\u6570\u636e\u6301\u4e45\u5316.<\/p>\n<p>3)\u914d\u7f6e\u4e3aalways \u65f6\uff0c\u6bcf\u6b21\u5199\u5165\u90fd\u8981\u540c\u6b65AOF\u6587\u4ef6,\u5728\u4e00\u822c\u7684SATA\u786c\u76d8\u4e0a,Redis\u53ea\u80fd\u652f\u6301\u5927\u7ea6\u51e0\u767eTPS\u5199\u5165\uff0c\u663e\u7136\u6bcf\u6b21\u5199\u5165\u90fd\u8981\u540c\u6b65AOF\u6587\u4ef6,\u5728\u4e00-\u822c\u7684 SATA\u786c\u76d8\u4e0a,Redis\u53ea\u80fd\u652f\u6301\u5927\u7ea6\u51e0\u767eTPS,\u663e\u7136\u8ddfRedis.\u9ad8\u6027\u80fd\u80cc\u9053\u800c\u9a70,\u4e0d\u5efa\u8bae\u914d\u7f6e.<\/p>\n<p>4)\u914d\u7f6e\u4e3ano,\u7531\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6bcf\u6b21\u540c\u6b65AOF\u6587\u4ef6\u7684\u5468\u671f\u4e0d\u53ef\u63a7\uff0c\u800c\u4e14\u4f1a\u52a0\u5927\u6bcf\u6b21\u540c\u6b65\u786c\u76d8\u7684\u6570\u636e\u91cf\uff0c\u867d\u7136\u63d0\u5347\u4e86\u6027\u80fd,\u4f46\u6570\u636e\u5b89\u5168\u6027\u65e0\u6cd5\u4fdd\u8bc1<\/p>\n<p>5)\u914d\u7f6e\u4e3aeverysec, \u662f\u5efa\u8bae\u7684\u540c\u6b65\u7b56\u7565\uff0c\u4e5f\u662f\u9ed8\u8ba4\u914d\u7f6e,\u505a\u5230\u517c\u987e\u6027\u80fd\u548c\u6570\u636e\u5b89\u5168\u6027.\u7406\u8bba\u4e0a\u53ea\u6709\u5728\u7cfb\u7edf\u7a81\u7136\u5b95\u673a\u7684\u60c5\u51b5\u4e0b\u4e22\u59311\u79d2\u7684\u6570\u636e\u5f53\u7136\u4e25\u683c\u6765\u8bf4\uff0c\u4e5f\u6709\u53ef\u80fd\u4f1a\u5168\u90e8\u4e22\u5931<\/p>\n<h3>2.5\u91cd\u5199\u673a\u5236<\/h3>\n<p>\u968f\u7740\u547d\u4ee4\u4e0d\u65ad\u5199\u5165AOF,\u6587\u4ef6\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898,Redi s\u5f15\u5165\u4e86AOF\u91cd\u5199\u673a\u5236\u538b\u7f29\u6587\u4ef6\u4f53\u79efAOF\u6587\u4ef6\u91cd\u5199\u662f\u628aRedis\u8fdb\u7a0b\u5185\u7684\u6570\u636e\u8f6c\u5316\u4e3a\u5199\u547d\u4ee4\u540c\u6b65\u5230\u65b0AOF\u6587\u4ef6\u7684\u8fc7\u7a0b.\u91cd\u5199\u540e\u7684AOF\u6587\u4ef6\u4e3a\u4ec0\u4e48\u53ef\u4ee5\u53d8\u5c0f?\u6709\u5982\u4e0b\u539f\u56e0:<br \/>\n1)\u8fdb\u7a0b\u5185\u5df2\u7ecf\u8d85\u65f6\u7684\u6570\u636e\u4e0d\u518d\u5199\u5165\u6587\u4ef6.<\/p>\n<p>2)\u65e7\u7684AOF\u6587\u4ef6\u542b\u6709\u65e0\u6548\u547d\u4ee4,\u5982del key 1,hdel key2, srem keys, set a 11,set a222\u7b49\uff0c\u91cd\u5199\u4f7f\u7528\u8fdb\u7a0b\u5185\u6570\u636e\u76f4\u63a5\u751f\u6210\uff0c\u8fd9\u6837\u65b0\u7684AOF\u6587\u4ef6\u53ea\u4fdd\u7559\u6700\u7ec8\u6570\u636e\u7684\u5199\u5165\u547d\u4ee4.<\/p>\n<p>3)\u591a\u6761\u5199\u547d\u4ee4\u53ef\u4ee5\u5408\u5e76\u4e3a\u4e00\u4e2a,\u5982:npush list a , input list b, input list c\u53ef\u4ee5\u8f6c\u5316\u4e3a:input listabc.\u4e3a\u4e86\u9632\u6b62\u5355\u6761\u547d\u4ee4\u8fc7\u5927\u9020\u6210\u5ba2\u6237\u7aef\u7de9\u51b2\u533a\u6ea2\u51fa\uff0c\u5bf9\u4e8elist,set,hash,zset\u7b49\u7c7b\u578b\u64cd\u4f5c,\u4ee564\u4e2a\u5143\u7d20\u4e3a\u754c\u62c6\u5206\u4e3a\u591a\u6761.<br \/>\nAOF\u91cd\u5199\u964d\u4f4e\u4e86\u6587\u4ef6\u5360\u7528\u7a7a\u95f4\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u53e6\u4e00\u4e2a\u76ee\u7684\u662f:\u66f4\u5c0f\u7684AOF\u6587\u4ef6\u53ef\u4ee5\u66f4\u5feb\u5730\u88abRedis\u52a0\u8f7d<\/p>\n<h4>2.5.1 AOF\u91cd\u5199\u8fc7\u7a0b\u7684\u624b\u52a8\u89e6\u53d1\u548c\u81ea\u52a8\u89e6\u53d1<\/h4>\n<p>AOF\u91cd\u5199\u8fc7\u7a0b\u53ef\u4ee5\u624b\u52a8\u89e6\u53d1\u548c\u81ea\u52a8\u89e6\u53d1.<br \/>\n\u624b\u52a8\u89e6\u53d1:\u76f4\u63a5\u8c03\u7528bgrewriteaof\u547d\u4ee4<br \/>\n\u81ea\u52a8\u89e6\u53d1:\u6839\u636eauto-aof-rewrite-min-size\u548cauto-aof-rewrte-percentage\u53c2\u6570\u786e\u5b9a\u81ea\u52a8\u89e6\u53d1\u65f6\u673a.<br \/>\nauto-aof-rewirte-min-size:\u8868\u793a\u8fd0\u884cAOF\u91cd\u5199\u65f6\u6587\u4ef6\u6700\u5c0f\u4f53\u79ef\u9ed8\u8ba4\u4e3a64M<br \/>\nauto-aof- rewirte-percentage:\u4ee3\u8868\u5f53\u524dAOF\u6587\u4ef6\u7a7a\u95f4(aof_ current_ size)\u548c\u4e0a &#8211; -\u6b21\u91cd\u5199\u540e AOF\u6587\u4ef6\u7a7a\u95f4(aof_ base_ size)\u7684\u6bd4\u503c.<br \/>\n\u81ea\u52a8\u89e6\u53d1\u65f6\u673a=aof_ <em>current<\/em> size &gt; auto-aof- rewirte-min-size, &amp;&amp; (aof_ current_ <em>size -aof<\/em> base_ size) \/aof_ <em>base<\/em> size &gt;= auto-aof-rewrite-percentage<br \/>\n\u5176\u4e2daof_current_size \u548caof_base_size \u53ef\u4ee5\u5728info Persistence\u7edf\u8ba1\u4fe1\u606f\u4e2d\u67e5\u770b.<\/p>\n<h3>AOF\u914d\u7f6e<\/h3>\n<pre><code class=\"language-shell\" lang=\"shell\">appendonly yes\t\t\t\t#\u662f\u5426\u6253\u5f00aof\u65e5\u5fd7\u529f\u80fd\nappendfilename \"redis.aof\"\t\nappendfsync always\t\t\t#\u6bcf1\u4e2a\u547d\u4ee4\uff0c\u90fd\u7acb\u5373\u540c\u6b65\u5230aof\nappendfsync everysec\t\t#\u6bcf\u79d2\u51991\u6b21\nappendfsync no\t\t\t\t#\u5199\u5165\u5de5\u4f5c\u4ea4\u7ed9\u64cd\u4f5c\u7cfb\u7edf\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u5224\u65ad\u7f13\u795e\u533a\u5927\u5c0f\uff0c\u7edf\u4e00\u5199\u5165\u5230aof\n<\/code><\/pre>\n<h3>AOF\u91cd\u5199\u673a\u5236<\/h3>\n<pre><code class=\"language-shell\" lang=\"shell\">\u6267\u884c\u7684\u547d\u4ee4   aof\u8bb0\u5f55        redis\u7684\u6570\u636e       \nset k1    v1    set k1   k1                 \nset k2    v2    set k2   k1 k2          \nset k3    v3    set k3   k1 k2 k3       \ndel k1      del k1       k2 k3\ndel k2      del k2       k3 \n\u5b9e\u9645\u6709\u610f\u4e49\u7684\u53ea\u6709\u4e00\u6761\u8bb0\u5f55\uff1a\nset k3\n<\/code><\/pre>\n<pre><code class=\"language-undefined\" lang=\"undefined\">\u5f53aof\u548crdb\u540c\u65f6\u5b58\u5728\u65f6\uff0c\u91cd\u542fredis\u4f1a\u4f18\u5148\u8bfb\u53d6aof\u7684\u5185\u5bb9\n<\/code><\/pre>\n<h1>redis\u7528\u6237\u8ba4\u8bc1<\/h1>\n<h2>1.\u5199\u5165\u914d\u7f6e\u6587\u4ef6<\/h2>\n<pre><code class=\"language-undefined\" lang=\"undefined\">requirepass 123456\n<\/code><\/pre>\n<h2>2.\u4f7f\u7528\u5bc6\u7801\u767b\u9646<\/h2>\n<p>\u7b2c\u4e00\u79cd\uff1a<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">[root@db01 ~]# redis-cli \n127.0.0.1:6379&gt; AUTH 123456\nOK\n127.0.0.1:6379&gt; set k1 v1\nOK\n  \n<\/code><\/pre>\n<p>\u7b2c\u4e8c\u79cd\uff1a<\/p>\n<pre><code>redis-cli -a 123456 get k1\n<\/code><\/pre>\n<h2>3.\u4e3a\u4ec0\u4e48redis\u7684\u5bc6\u7801\u8ba4\u8bc1\u8fd9\u4e48\u7b80\u5355\uff1f<\/h2>\n<pre><code class=\"language-css\" lang=\"css\">1.redis\u4e00\u822c\u90fd\u90e8\u7f72\u5728\u5185\u7f51\u73af\u5883\uff0c\u9ed8\u8ba4\u662f\u6bd4\u8f83\u5b89\u5168\u7684\u73af\u5883\n2.\u6709\u540c\u5b66\u62c5\u5fc3\u5bc6\u7801\u5199\u5728\u914d\u7f6e\u6587\u4ef6\u91cc\uff0c\u5f00\u53d1\u4e0d\u5141\u8bb8\u767b\u9646\u5230Linux\u670d\u52a1\u5668\u4e0a\uff0c\u4f46\u662f\u53ef\u4ee5\u8fde\u63a5\u5230redis,\u8bbe\u4e2a\u5bc6\u7801\u5b89\u5168\u4e9b\n<\/code><\/pre>\n<h1>Redis\u4e3b\u4ece\u590d\u5236<\/h1>\n<h2>1.\u5feb\u901f\u90e8\u7f72\u7b2c\u4e8c\u53f0\u670d\u52a1\u5668<\/h2>\n<pre><code class=\"language-shell\" lang=\"shell\">rsync -avz 10.0.0.51:\/opt\/* \/opt\/*\nmkdir \/data\/redis_6379\/ -p\ncd \/opt\/redis \nmake install \nsed -i 's#51#52#g' \/opt\/redis_6379\/conf\/redis_6379.conf\nredis-server \/opt\/redis_6379\/conf\/redis_6379.conf\n<\/code><\/pre>\n<h2>2.db01\u63d2\u5165\u6d4b\u8bd5\u547d\u4ee4<\/h2>\n<pre><code class=\"language-shell\" lang=\"shell\">for i in {1..1000};do redis-cli -h 10.0.0.51 set ${i} ${i};done\n<\/code><\/pre>\n<h2>3.\u914d\u7f6e\u4e3b\u4ece\u590d\u5236<\/h2>\n<p>\u65b9\u6cd51:\u4e34\u65f6\u751f\u6548<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-cli -h 10.0.0.52 slaveof 10.0.0.51 6379 \n<\/code><\/pre>\n<p>\u65b9\u6cd52:\u5199\u8fdb\u914d\u7f6e\u6587\u4ef6<\/p>\n<pre><code class=\"language-css\" lang=\"css\">slaveof 10.0.0.51 6379\n<\/code><\/pre>\n<h2>4.\u4e3b\u4ece\u590d\u5236\u7684\u6d41\u7a0b<\/h2>\n<p>1.\u7b80\u5355\u6d41\u7a0b\uff1a<\/p>\n<pre><code class=\"language-undefined\" lang=\"undefined\">1.\u4ece\u8282\u70b9\u53d1\u9001\u540c\u6b65\u8bf7\u6c42\u5230\u4e3b\u8282\u70b9\n2.\u4e3b\u8282\u70b9\u63a5\u6536\u5230\u4ece\u8282\u70b9\u7684\u8bf7\u6c42\u4e4b\u540e,\u505a\u4e86\u5982\u4e0b\u64cd\u4f5c\n  - \u7acb\u5373\u6267\u884cbgsave\u5c06\u5f53\u524d\u5185\u5b58\u91cc\u7684\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8\u4e0a\n  - \u6301\u4e45\u5316\u5b8c\u6210\u4e4b\u540e,\u5c06rdb\u6587\u4ef6\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\n3.\u4ece\u8282\u70b9\u4ece\u4e3b\u8282\u70b9\u63a5\u6536\u5230rdb\u6587\u4ef6\u4e4b\u540e,\u505a\u4e86\u5982\u4e0b\u64cd\u4f5c\n  - \u6e05\u7a7a\u81ea\u5df1\u7684\u6570\u636e\n  - \u8f7d\u5165\u4ece\u4e3b\u8282\u70b9\u63a5\u6536\u7684rdb\u6587\u4ef6\u5230\u81ea\u5df1\u7684\u5185\u5b58\u91cc\n4.\u540e\u9762\u7684\u64cd\u4f5c\u5c31\u662f\u548c\u4e3b\u8282\u70b9\u5b9e\u65f6\u7684\u4e86\n<\/code><\/pre>\n<h2>5.\u53d6\u6d88\u590d\u5236<\/h2>\n<pre><code class=\"language-undefined\" lang=\"undefined\">    SLAVEOF no one\n<\/code><\/pre>\n<h2>6.\u4e3b\u4ece\u590d\u5236\u6ce8\u610f<\/h2>\n<pre><code>1.\u4ece\u8282\u70b9\u53ea\u8bfb\u4e0d\u53ef\u5199\n2.\u4ece\u8282\u70b9\u4e0d\u4f1a\u81ea\u52a8\u6545\u969c\u8f6c\u79fb,\u5b83\u4f1a\u4e00\u76f4\u540c\u6b65\u4e3b\u8282\u70b9\n10.0.0.52:6379&gt; set k1 v1\n(error) READONLY You can't write against a read only slave.\n3.\u4e3b\u4ece\u590d\u5236\u6545\u969c\u8f6c\u79fb\u9700\u8981\u4eba\u5de5\u4ecb\u5165\n  - \u4fee\u6539\u4ee3\u7801\u6307\u5411REDIS\u7684IP\u5730\u5740\n  - \u4ece\u8282\u70b9\u9700\u8981\u6267\u884cSLAVEOF no one\n4.\u4ece\u8282\u70b9\u4f1a\u6e05\u7a7a\u81ea\u5df1\u539f\u6709\u7684\u6570\u636e,\u5982\u679c\u540c\u6b65\u7684\u5bf9\u8c61\u5199\u9519\u4e86,\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\n5.\u4ece\u5e93\u548c\u4e3b\u5e93\u540e\u7eed\u7684\u540c\u6b65\u4f9d\u9760\u7684\u662fredis\u7684SYNC\u534f\u8bae\uff0c\u800c\u4e0d\u662fRDB\u6587\u4ef6\uff0cRDB\u6587\u4ef6\u53ea\u662f\u7b2c\u4e00\u6b21\u5efa\u7acb\u540c\u6b65\u65f6\u4f7f\u7528\u3002\n6.\u4ece\u5e93\u4e5f\u53ef\u4ee5\u6b63\u5e38\u7684\u6301\u4e45\u5316\u6587\u4ef6\n<\/code><\/pre>\n<h2>7.\u5b89\u5168\u7684\u64cd\u4f5c<\/h2>\n<p>1.\u6267\u884c\u4e3b\u4ece\u590d\u5236\u4e4b\u524d,\u73b0\u5c06\u6570\u636e\u5907\u4efd\u4e00\u4efd<br \/>\n2.\u5efa\u8bae\u5c06\u4e3b\u4ece\u590d\u5236\u5199\u5165\u5230\u914d\u7f6e\u6587\u4ef6\u4e2d<br \/>\n3.\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u505a\u4e3b\u4ece\u590d\u5236,<br \/>\n4.\u62f7\u8d1d\u6570\u636e\u65f6\u5019\u4f1a\u5360\u7528\u5e26\u5bbd<br \/>\n5.\u4e0d\u80fd\u81ea\u52a8\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\uff0c\u9700\u8981\u4eba\u5de5\u4ecb\u5165<\/p>\n<h1>Redis\u54e8\u5175<\/h1>\n<p><img decoding=\"async\" src=\"https:\/\/\/\/upload-images.jianshu.io\/upload_images\/14248468-c5cf045607671b40.png?imageMogr2\/auto-orient\/strip|imageView2\/2\/w\/1200\/format\/webp\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2>1.\u54e8\u5175\u7684\u4f5c\u7528<\/h2>\n<pre><code class=\"language-undefined\" lang=\"undefined\">\u89e3\u51b3\u4e86\u4e3b\u4ece\u590d\u5236\u6545\u969c\u9700\u8981\u4eba\u4e3a\u5e72\u9884\u7684\u95ee\u9898\n\u63d0\u4f9b\u4e86\u81ea\u52a8\u7684\u9ad8\u53ef\u7528\u89e3\u51b3\u65b9\u6848\n\n1.\u76d1\u63a7(Monitoring) :\u3002\nSentine1\u4f1a\u4e0d\u65ad\u5730\u5b9a\u671f\u68c0\u67e5\u4f60\u7684\u4e3b\u670d\u52a1\u5668\u548c\u4ece\u670d\u52a1\u5668\u662f\u5426\u8fd0\u4f5c\u6b63\u5e38\u3002\u3002\n2.\u63d0\u9192(Notification) :\n\u5f53\u88ab\u76d1\u63a7\u7684\u67d0\u4e2aRedis\u670d\u52a1\u5668\u51fa\u73b0\u95ee\u9898\u65f6\uff0cSentinel\u53ef\u4ee5\u901a\u8fc7API\u5411\u7ba1\u7406\u5458\u6216\u8005\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u901a\u77e5\u3002\n3.\u81ea\u52a8\u6545\u969c\u8fc1\u79fb(Automatic failover) :\n\u5f53\u4e00\u4e2a\u4e3b\u670d\u52a1\u5668\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0cSentine1 \u4f1a\u5f00\u59cb\u4e00\u6b21\u81ea\u52a8\u6545\u969c\u8fc1\u79fb\u64cd\u4f5c\uff0c\u5b83\u4f1a\u5c06\u5931\u6548\u4e3b\u670d\u52a1\u5668\u7684\u5176\u4e2d\u4e00\u4e2a\u4ece\u670d\u52a1\u5668\u5347\u7ea7\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u5e76\u8ba9\u5931\u6548\u4e3b\u670d\u52a1\u5668\u7684\u5176\u4ed6\u4ece\u670d\u52a1\u5668\u6539\u4e3a\u590d\u5236\u65b0\u7684\u4e3b\u670d\u52a1\u5668;\u5f53 \u5ba2\u6237\u7aef\u8bd5\u56fe\u8fde\u63a5\u5931\u6548\u7684\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u96c6\u7fa4\u4e5f\u4f1a\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u65b0\u4e3b\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c\u4f7f\u5f97\u96c6\u7fa4\u53ef\u4ee5\u4f7f\u7528\u65b0\u4e3b\u670d\u52a1\u5668\u4ee3\u66ff\u5931\u6548\u670d\u52a1\u5668\n\n<\/code><\/pre>\n<h2>2.\u76ee\u5f55\u548c\u7aef\u53e3\u89c4\u5212<\/h2>\n<figure>\n<table>\n<thead>\n<tr>\n<th>\u89d2\u8272<\/th>\n<th>IP<\/th>\n<th>\u7aef\u53e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Master<\/td>\n<td>10.0.0.51<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>Sentinel-01<\/td>\n<td>10.0.0.51<\/td>\n<td>26379<\/td>\n<\/tr>\n<tr>\n<td>Master<\/td>\n<td>10.0.0.52<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>Sentinel-02<\/td>\n<td>10.0.0.52<\/td>\n<td>26379<\/td>\n<\/tr>\n<tr>\n<td>Master<\/td>\n<td>10.0.0.53<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>Sentinel-03<\/td>\n<td>10.0.0.53<\/td>\n<td>26379<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>&nbsp;<\/p>\n<h2>3.\u90e8\u7f723\u53f0redis\u5355\u8282\u70b9<\/h2>\n<p>\u54e8\u5175\u662f\u57fa\u4e8e\u4e3b\u4ece\u590d\u5236\uff0c\u6240\u4ee5\u9700\u8981\u5148\u90e8\u7f6e\u597d\u4e3b\u4ece\u590d\u5236<br \/>\n\u624b\u5de5\u64cd\u4f5c\u6b65\u9aa4\u5982\u4e0b:\u3002<br \/>\n1.\u5148\u914d\u7f6e\u548c\u521b\u5efa\u597d1\u53f0\u670d\u52a1\u5668\u7684\u8282\u70b9\u548c\u54e8\u5175+<br \/>\n2.\u4f7f\u7528rsync\u4f20\u8f93\u5230\u53e6\u59162\u53f0\u673a\u5668\u3002<br \/>\n3.\u4fee\u6539\u53e6\u5916\u4e24\u53f0\u673a\u5668\u7684IP\u5730\u5740\u3002<\/p>\n<h3>db01\u64cd\u4f5c\uff1a<\/h3>\n<pre><code class=\"language-shell\" lang=\"shell\">pkill redis\ncat &gt;\/opt\/redis_6379\/conf\/redis_6379.conf &lt;&lt;EOF   \ndaemonize yes\nbind 127.0.0.1 10.0.0.51\nport 6379\npidfile \"\/opt\/redis_6379\/pid\/redis_6379.pid\"\nlogfile \"\/opt\/redis_6379\/logs\/redis_6379.log\"\ndbfilename \"redis.rdb\"\ndir \"\/data\/redis_6379\"\nappendonly yes\nappendfilename \"redis.aof\"\nappendfsync everysec\nEOF\nsystemctl start redis\nredis-cli\n<\/code><\/pre>\n<h3>db02\u548cdb03\u7684\u64cd\u4f5c\uff1a<\/h3>\n<pre><code class=\"language-ruby\" lang=\"ruby\">pkill redis \nrm -rf \/opt\/redis*\nrsync -avz 10.0.0.51:\/usr\/local\/bin\/redis-*  \/usr\/local\/bin\nrsync -avz 10.0.0.51:\/usr\/lib\/systemd\/system\/redis.service \/usr\/lib\/systemd\/system\/\nmkdir \/opt\/redis_6379\/{conf,logs,pid} -p\nmkdir \/data\/redis_6379 -p\ncat &gt;\/opt\/redis_6379\/conf\/redis_6379.conf &lt;&lt;EOF   \ndaemonize yes\nbind 127.0.0.1 $(ifconfig eth0|awk 'NR==2{print $2}')\nport 6379\npidfile \"\/opt\/redis_6379\/pid\/redis_6379.pid\"\nlogfile \"\/opt\/redis_6379\/logs\/redis_6379.log\"\ndbfilename \"redis.rdb\"\ndir \"\/data\/redis_6379\"\nappendonly yes\nappendfilename \"redis.aof\"\nappendfsync everysec\nEOF\nuseradd redis -M -s \/sbin\/nologin\nchown -R redis:redis \/opt\/redis*\nchown -R redis:redis \/data\/redis*\nsystemctl daemon-reload \nsystemctl start redis \nredis-cli\n<\/code><\/pre>\n<h2>4.\u914d\u7f6e\u4e3b\u4ece\u590d\u5236<\/h2>\n<pre><code class=\"language-css\" lang=\"css\">redis-cli -h 10.0.0.52 slaveof 10.0.0.51 6379\nredis-cli -h 10.0.0.53 slaveof 10.0.0.51 6379\nredis-cli -h 10.0.0.51 info Replication\n<\/code><\/pre>\n<h2>5.\u90e8\u7f72\u54e8\u5175\u8282\u70b9-3\u53f0\u673a\u5668\u90fd\u64cd\u4f5c<\/h2>\n<p>db01:<\/p>\n<pre><code class=\"language-kotlin\" lang=\"kotlin\">mkdir -p \/data\/redis_cluster\/redis_26379\n\nmkdir -p \/opt\/redis_cluster\/redis_26379\/{conf,pid,logs}\n\ncat &gt;\/opt\/redis_cluster\/redis_26379\/conf\/redis_26379.conf &lt;&lt; EOF\nbind $(ifconfig eth0|awk 'NR==2{print $2}')\nport 26379\ndaemonize yes\nlogfile \/opt\/redis_cluster\/redis_26379\/logs\/redis_26379.log\ndir \/data\/redis_cluster\/redis_26379\nsentinel monitor myredis 10.0.0.51 6379 2\nsentinel down-after-milliseconds myredis 3000\nsentinel parallel-syncs myredis 1\nsentinel failover-timeout myredis 18000\nEOF\n\nchown -R redis:redis  \/data\/redis*\n\nchown -R redis:redis  \/opt\/redis*\n<\/code><\/pre>\n<p>\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">sentinel monitor mymaster 10.0.0.51 6379 2\n#mymaster \u4e3b\u8282\u70b9\u522b\u540d \u4e3b\u8282\u70b9 ip \u548c\u7aef\u53e3\uff0c \u5224\u65ad\u4e3b\u8282\u70b9\u5931\u8d25\uff0c \u4e24\u4e2a sentinel \u8282\u70b9\u540c\u610f\nsentinel down-after-milliseconds mymaster 3000\n#\u9009\u9879\u6307\u5b9a\u4e86 Sentinel \u8ba4\u4e3a\u670d\u52a1\u5668\u5df2\u7ecf\u65ad\u7ebf\u6240\u9700\u7684\u6beb\u79d2\u6570\u3002\nsentinel parallel-syncs mymaster 1\n#\u5411\u65b0\u7684\u4e3b\u8282\u70b9\u53d1\u8d77\u590d\u5236\u64cd\u4f5c\u7684\u4ece\u8282\u70b9\u4e2a\u6570\uff0c 1 \u8f6e\u8be2\u53d1\u8d77\u590d\u5236\nsentinel failover-timeout mymaster 180000\n#\u6545\u969c\u8f6c\u79fb\u8d85\u65f6\u65f6\u95f4\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>db02\/db03:<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">rsync -avz \/opt\/* db02:\/opt\/\nrsync -avz \/opt\/* db03:\/opt\/\n<\/code><\/pre>\n<p>db02:<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">mkdir -p \/data\/redis_cluster\/redis_26379\n\ncd \/opt\/redis_cluster\/redis\n\nmake install\n\nsed -i 's#bind 10.0.0.51#bind 10.0.0.52#g' \/opt\/redis_cluster\/redis_26379\/conf\/redis_26379.conf\n\nsed -i 's#bind 10.0.0.51#bind 10.0.0.52#g' \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf\n\nvim \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf\nslaveof 10.0.0.51 6379\n<\/code><\/pre>\n<p>db03:<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">mkdir -p \/data\/redis_cluster\/redis_26379\n\ncd \/opt\/redis_cluster\/redis\n\nmake install\n\nsed -i 's#bind 10.0.0.51#bind 10.0.0.53#g' \/opt\/redis_cluster\/redis_26379\/conf\/redis_26379.conf\n\nsed -i 's#bind 10.0.0.51#bind 10.0.0.53#g' \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf\n\nvim \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf\nslaveof 10.0.0.51 6379\n<\/code><\/pre>\n<h2>6.\u542f\u52a8Redis<\/h2>\n<p>db01\/db02\/db03:<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-server \/opt\/redis_cluster\/redis_6379\/conf\/redis_6379.conf\n<\/code><\/pre>\n<h2>7.\u542f\u52a8\u54e8\u5175<\/h2>\n<p>db01\/db02\/db03:<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-sentinel \/opt\/redis_cluster\/redis_26379\/conf\/redis_26379.conf\n<\/code><\/pre>\n<h2>8.\u9a8c\u8bc1\u4e3b\u8282\u70b9<\/h2>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-cli -h 10.0.0.51 -p 26379 info sentinel \nredis-cli -h 10.0.0.52 -p 26379 info sentinel\nredis-cli -h 10.0.0.53 -p 26379 info sentinel\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-cli -h 10.0.0.51 -p 26379 Sentinel get-master-addr-by-name myredis\nredis-cli -h 10.0.0.52 -p 26379 Sentinel get-master-addr-by-name myredis\nredis-cli -h 10.0.0.53 -p 26379 Sentinel get-master-addr-by-name myredis\n<\/code><\/pre>\n<h2>9.\u6a21\u62df\u6545\u969c\u8f6c\u79fb<\/h2>\n<p>\u5173\u95ed\u4e3b\u8282\u70b9\u670d\u52a1\u4e0a\u7684\u6240\u6709redis\u8fdb\u7a0b<br \/>\n\u89c2\u5bdf\u5176\u4ed62\u4e2a\u8282\u70b9\u4f1a\u4e0d\u4f1a\u53d1\u751f\u9009\u4e3e<br \/>\n\u67e5\u770b\u914d\u7f6e\u6587\u4ef6\u91cc\u4f1a\u4e0d\u4f1a\u81ea\u52a8\u66f4\u65b0<br \/>\n\u67e5\u770b\u65b0\u7684\u4e3b\u8282\u70b9\u80fd\u4e0d\u80fd\u5199\u5165<br \/>\n\u67e5\u770b\u4ece\u8282\u70b9\u80fd\u5426\u6b63\u5e38\u540c\u6b65<\/p>\n<h2>10.\u6a21\u62df\u6545\u969c\u4fee\u590d\u4e0a\u7ebf<\/h2>\n<p>\u542f\u52a8\u5355\u8282\u70b9<br \/>\n\u542f\u52a8\u54e8\u5175<\/p>\n<h2>11.\u6765\u81eajson\u7684\u7075\u9b42\u53d1\u95ee\uff1a\u80fd\u591f\u7ed9redis \u8282\u70b9\u52a0\u6743 \u6765\u786e\u5b9a\u4f18\u5148\u5907\u9009\u4e3b\u8282\u70b9\u561b?<\/h2>\n<p>\u6d41\u7a0b\u8bf4\u660e\uff1a<br \/>\n\u8bbe\u7f6e\u5176\u4ed6\u8282\u70b9\u7684\u6743\u91cd\u4e3a0<br \/>\n\u624b\u52a8\u53d1\u8d77\u91cd\u65b0\u9009\u4e3e<br \/>\n\u89c2\u5bdf\u6240\u6709\u8282\u70b9\u6d88\u606f\u662f\u5426\u540c\u6b65<br \/>\n\u89c2\u5bdf\u5207\u6362\u7ed3\u679c\u662f\u5426\u7b26\u5408\u9884\u671f<\/p>\n<p>\u547d\u4ee4\u89e3\u91ca\uff1a<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">\u67e5\u8be2\u547d\u4ee4:CONFIG GET slave-priority\n\u8bbe\u7f6e\u547d\u4ee4:CONFIG SET slave-priority 0\n\u4e3b\u52a8\u5207\u6362:sentinel failover myredis\n<\/code><\/pre>\n<p>\u64cd\u4f5c\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-cli -h 10.0.0.52 -p 6379 CONFIG SET slave-priority 0\nredis-cli -h 10.0.0.53 -p 6379 CONFIG SET slave-priority 0\nredis-cli -h 10.0.0.51 -p 26379 sentinel failover myredis\n<\/code><\/pre>\n<p>\u9a8c\u8bc1\u9009\u4e3e\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">redis-cli -h 10.0.0.51 -p 26379 Sentinel get-master-addr-by-name myredis\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>NoSQL_\u5b89\u88c5Redis \u5b89\u88c5Redis \u76ee\u5f55\u89c4\u5212 ### redis.\u4e0b\u8f7d\u76ee\u5f55 \/data\/soft\/ # [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-85","post","type-post","status-publish","format-standard","hentry","category-nosql"],"_links":{"self":[{"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/posts\/85","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daishen.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=85"}],"version-history":[{"count":1,"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/posts\/85\/revisions"}],"predecessor-version":[{"id":86,"href":"https:\/\/daishen.ltd\/index.php?rest_route=\/wp\/v2\/posts\/85\/revisions\/86"}],"wp:attachment":[{"href":"https:\/\/daishen.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=85"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daishen.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=85"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daishen.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=85"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}