{"id":201389,"date":"2025-05-10T08:43:08","date_gmt":"2025-05-10T00:43:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201389\/"},"modified":"2025-05-10T08:43:08","modified_gmt":"2025-05-10T00:43:08","slug":"%e8%bf%99%e5%8f%af%e8%83%bd%e6%98%af%e6%9c%80%e4%b8%ad%e8%82%af%e7%9a%84-redis-%e4%bd%bf%e7%94%a8%e8%a7%84%e8%8c%83%e4%ba%86%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201389\/","title":{"rendered":"\u8fd9\u53ef\u80fd\u662f\u6700\u4e2d\u80af\u7684 Redis \u4f7f\u7528\u89c4\u8303\u4e86\uff01"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u8fd9\u53ef\u80fd\u662f\u6700\u4e2d\u80af\u7684 Redis \u4f7f\u7528\u89c4\u8303\u4e86\uff01<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300a\u8fd9\u53ef\u80fd\u662f\u6700\u4e2d\u80af\u7684 Redis \u4f7f\u7528\u89c4\u8303\u4e86\uff01\u300b\uff0c\u804a\u804a\u5185\u5b58\u3001Redis\u3001Java\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<\/p>\n<p>\u6628\u5929\u6211\u88ab\u516c\u53f8 Leader \u6279\u8bc4\u4e86\u3002<\/p>\n<p>\u6211\u5728\u5355\u8eab\u7ea2\u5a18\u5a5a\u604b\u7c7b\u578b\u4e92\u8054\u7f51\u516c\u53f8\u5de5\u4f5c\uff0c\u5728\u53cc\u5341\u4e00\u63a8\u51fa\u4e0b\u5355\u5c31\u9001\u5973\u670b\u53cb\u7684\u6d3b\u52a8\u3002<\/p>\n<p>\u8c01\u66fe\u60f3\uff0c\u51cc\u6668 12 \u70b9\u4e4b\u540e\uff0c\u7528\u6237\u91cf\u66b4\u589e\uff0c\u51fa\u73b0\u4e86\u4e00\u4e2a\u6280\u672f\u6545\u969c\uff0c\u7528\u6237\u65e0\u6cd5\u4e0b\u5355\uff0c\u5f53\u65f6\u8001\u5927\u706b\u5192\u4e09\u4e08\uff01<\/p>\n<p>\u7ecf\u8fc7\u67e5\u627e\u53d1\u73b0 Redis \u62a5 Could not get a resource from the pool\u3002<\/p>\n<p>\u83b7\u53d6\u4e0d\u5230\u8fde\u63a5\u8d44\u6e90\uff0c\u5e76\u4e14\u96c6\u7fa4\u4e2d\u7684\u5355\u53f0 Redis \u8fde\u63a5\u91cf\u5f88\u9ad8\u3002<\/p>\n<p>\u4e8e\u662f\u5404\u79cd\u66f4\u6539\u6700\u5927\u8fde\u63a5\u6570\u3001\u8fde\u63a5\u7b49\u5f85\u6570\uff0c\u867d\u7136\u62a5\u9519\u4fe1\u606f\u9891\u7387\u6709\u6240\u7f13\u89e3\uff0c\u4f46\u8fd8\u662f\u6301\u7eed\u62a5\u9519\u3002<\/p>\n<p>\u540e\u6765\u7ecf\u8fc7\u7ebf\u4e0b\u6d4b\u8bd5\uff0c\u53d1\u73b0\u5b58\u653e Redis \u4e2d\u7684\u5b57\u7b26\u6570\u636e\u5f88\u5927\uff0c\u5e73\u5747 1s \u8fd4\u56de\u6570\u636e\u3002<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u53ef\u4ee5\u5206\u4eab\u4e0b\u4f7f\u7528 Redis \u7684\u89c4\u8303\u4e48\uff1f\u6211\u60f3\u505a\u4e00\u4e2a\u552f\u5feb\u4e0d\u7834\u7684\u771f\u7537\u4eba\uff01<\/p>\n<p>\u901a\u8fc7 Redis \u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f\u8fd9\u7bc7\u6587\u7ae0\u6211\u4eec\u77e5\u9053 Redis \u4e3a\u4e86\u9ad8\u6027\u80fd\u548c\u8282\u7701\u5185\u5b58\u8d39\u52b2\u5fc3\u601d\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u53ea\u6709\u89c4\u8303\u7684\u4f7f\u7528 Redis\uff0c\u624d\u80fd\u5b9e\u73b0\u9ad8\u6027\u80fd\u548c\u8282\u7701\u5185\u5b58\uff0c\u5426\u5219\u518d\u5c4c\u7684 Redis \u4e5f\u7981\u4e0d\u8d77\u6211\u4eec\u778e\u6298\u817e\u3002<\/p>\n<p>Redis \u4f7f\u7528\u89c4\u8303\u56f4\u7ed5\u5982\u4e0b\u51e0\u4e2a\u7eac\u5ea6\u5c55\u5f00\uff1a<\/p>\n<ul>\n<li>&nbsp;\u952e\u503c\u5bf9\u4f7f\u7528\u89c4\u8303<\/li>\n<li>&nbsp;\u547d\u4ee4\u4f7f\u7528\u89c4\u8303<\/li>\n<li>&nbsp;\u6570\u636e\u4fdd\u5b58\u89c4\u8303<\/li>\n<li>&nbsp;\u8fd0\u7ef4\u89c4\u8303<\/li>\n<\/ul>\n<h2>\u952e\u503c\u5bf9\u4f7f\u7528\u89c4\u8303<\/h2>\n<h3>\u6709\u4e24\u70b9\u9700\u8981\u6ce8\u610f\uff1a<\/h3>\n<ol>\n<li>&nbsp;\u597d\u7684 key \u547d\u540d\uff0c\u624d\u80fd\u63d0\u4f9b\u53ef\u8bfb\u6027\u5f3a\u3001\u53ef\u7ef4\u62a4\u6027\u9ad8\u7684 key\uff0c\u4fbf\u4e8e\u5b9a\u4f4d\u95ee\u9898\u548c\u5bfb\u627e\u6570\u636e\u3002<\/li>\n<li>&nbsp;value\u8981\u907f\u514d\u51fa\u73b0 bigkey\u3001\u9009\u62e9\u9ad8\u6548\u7684\u5e8f\u5217\u5316\u548c\u538b\u7f29\u3001\u4f7f\u7528\u5bf9\u8c61\u5171\u4eab\u6c60\u3001\u9009\u62e9\u9ad8\u6548\u6070\u5f53\u7684\u6570\u636e\u7c7b\u578b\uff08\u53ef\u53c2\u8003\u300aRedis \u5b9e\u6218\u7bc7\uff1a\u5de7\u7528\u6570\u636e\u7c7b\u578b\u5b9e\u73b0\u4ebf\u7ea7\u6570\u636e\u7edf\u8ba1\u300b\uff09\u3002<\/li>\n<\/ol>\n<h2>key \u547d\u540d\u89c4\u8303<\/h2>\n<p>\u89c4\u8303\u7684 key\u547d\u540d\uff0c\u5728\u9047\u5230\u95ee\u9898\u7684\u65f6\u5019\u80fd\u591f\u65b9\u4fbf\u5b9a\u4f4d\u3002Redis \u5c5e\u4e8e \u6ca1\u6709 Scheme\u7684 NoSQL\u6570\u636e\u5e93\u3002<\/p>\n<p>\u6240\u4ee5\u8981\u9760\u89c4\u8303\u6765\u5efa\u7acb\u5176 Scheme \u8bed\u610f\uff0c\u5c31\u597d\u6bd4\u6839\u636e\u4e0d\u540c\u7684\u573a\u666f\u6211\u4eec\u5efa\u7acb\u4e0d\u540c\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h3>\u6572\u9ed1\u677f<\/h3>\n<p>\u628a\u300c\u4e1a\u52a1\u6a21\u5757\u540d\u300d\u4f5c\u4e3a\u524d\u7f00\uff08\u597d\u6bd4\u6570\u636e\u5e93 Scheme\uff09\uff0c\u901a\u8fc7\u300c\u5192\u53f7\u300d\u5206\u9694\uff0c\u518d\u52a0\u4e0a\u300c\u5177\u4f53\u4e1a\u52a1\u540d\u300d\u3002<\/p>\n<p>\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7 key \u524d\u7f00\u6765\u533a\u5206\u4e0d\u540c\u7684\u4e1a\u52a1\u6570\u636e\uff0c\u6e05\u6670\u660e\u4e86\u3002<\/p>\n<p>\u603b\u7ed3\u8d77\u6765\u5c31\u662f\uff1a\u300c\u4e1a\u52a1\u540d:\u8868\u540d:id\u300d<\/p>\n<p>\u6bd4\u5982\u6211\u4eec\u8981\u7edf\u8ba1\u516c\u4f17\u53f7\u5c5e\u4e8e\u6280\u672f\u7c7b\u578b\u7684\u535a\u4e3b\u300cJava\u6280\u672f\u6808\u300d\u7684\u6587\u7ae0\u6570\u3002&nbsp;<\/p>\n<\/p>\n<ol>\n<li><span><span>set&nbsp;\u516c\u4f17\u53f7:\u6280\u672f\u7c7b:Java\u6280\u672f\u6808&nbsp;100000&nbsp;<\/span><\/span><\/li>\n<\/ol>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; key \u592a\u957f\u7684\u8bdd\u6709\u4ec0\u4e48\u95ee\u9898\u4e48\uff1f<\/p>\n<p>key \u662f\u5b57\u7b26\u4e32\uff0c\u5e95\u5c42\u7684\u6570\u636e\u7ed3\u6784\u662f SDS\uff0cSDS \u7ed3\u6784\u4e2d\u4f1a\u5305\u542b\u5b57\u7b26\u4e32\u957f\u5ea6\u3001\u5206\u914d\u7a7a\u95f4\u5927\u5c0f\u7b49\u5143\u6570\u636e\u4fe1\u606f\u3002<\/p>\n<p><strong>\u5b57\u7b26\u4e32\u957f\u5ea6\u589e\u52a0\uff0cSDS \u7684\u5143\u6570\u636e\u4e5f\u4f1a\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/strong><\/p>\n<p>\u6240\u4ee5\u5f53\u5b57\u7b26\u4e32\u592a\u957f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u9002\u5f53\u7f29\u5199\u7684\u5f62\u5f0f\u3002<\/p>\n<p>\u4e0d\u8981\u4f7f\u7528 bigkey<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u6211\u5c31\u4e2d\u62db\u4e86\uff0c\u5bfc\u81f4\u62a5\u9519\u83b7\u53d6\u4e0d\u5230\u8fde\u63a5\u3002<\/p>\n<p><strong>\u56e0\u4e3a Redis \u662f\u5355\u7ebf\u7a0b\u6267\u884c\u8bfb\u5199\u6307\u4ee4\uff0c\u5982\u679c\u51fa\u73b0bigkey \u7684\u8bfb\u5199\u64cd\u4f5c\u5c31\u4f1a\u963b\u585e\u7ebf\u7a0b\uff0c\u964d\u4f4e Redis \u7684\u5904\u7406\u6548\u7387\u3002<\/strong><\/p>\n<p>bigkey\u5305\u542b\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>&nbsp;\u952e\u503c\u5bf9\u7684 value\u5f88\u5927\uff0c\u6bd4\u5982 value\u4fdd\u5b58\u4e86 2MB\u7684 String\u6570\u636e\uff1b<\/li>\n<li>&nbsp;\u952e\u503c\u5bf9\u7684 value\u662f\u96c6\u5408\u7c7b\u578b\uff0c\u5143\u7d20\u5f88\u591a\uff0c\u6bd4\u5982\u4fdd\u5b58\u4e86 5 \u4e07\u4e2a\u5143\u7d20\u7684 List \u96c6\u5408\u3002<\/li>\n<\/ul>\n<p>\u867d\u7136 Redis \u5b98\u65b9\u8bf4\u660e\u4e86 key\u548cstring\u7c7b\u578b value\u9650\u5236\u5747\u4e3a512MB\u3002\u6700\u65b0 Redis \u9762\u8bd5\u9898\u6574\u7406\u597d\u4e86\uff0c\u70b9\u51fbJava\u9762\u8bd5\u5e93\u5c0f\u7a0b\u5e8f\u5728\u7ebf\u5237\u9898\u3002<\/p>\n<p>\u9632\u6b62\u7f51\u5361\u6d41\u91cf\u3001\u6162\u67e5\u8be2\uff0cstring\u7c7b\u578b\u63a7\u5236\u572810KB\u4ee5\u5185\uff0chash\u3001list\u3001set\u3001zset\u5143\u7d20\u4e2a\u6570\u4e0d\u8981\u8d85\u8fc7 5000\u3002<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp; \u5982\u679c\u4e1a\u52a1\u6570\u636e\u5c31\u662f\u8fd9\u4e48\u5927\u548b\u529e\uff1f\u6bd4\u5982\u4fdd\u5b58\u7684\u662f\u300aXXX\u300b\u8fd9\u4e2a\u5927\u4f5c\u3002<\/p>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7 gzip \u6570\u636e\u538b\u7f29\u6765\u51cf\u5c0f\u6570\u636e\u5927\u5c0f:&nbsp;<\/p>\n<\/p>\n<ol>\n<li><span><span>\/**&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;*&nbsp;\u4f7f\u7528gzip\u538b\u7f29\u5b57\u7b26\u4e32&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;*\/&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>public&nbsp;static&nbsp;String&nbsp;compress(String&nbsp;str)&nbsp;{&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(<span>str<\/span><span>&nbsp;==&nbsp;null&nbsp;||&nbsp;str.length()&nbsp;==&nbsp;0)&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;str;&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;(ByteArrayOutputStream&nbsp;<span>out<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;ByteArrayOutputStream();&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;GZIPOutputStream&nbsp;<span>gzip<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;GZIPOutputStream(out))&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;gzip.write(str.getBytes());&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(IOException&nbsp;e)&nbsp;{&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace();&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;new&nbsp;sun.misc.BASE64Encoder().encode(out.toByteArray());&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>\/**&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;*&nbsp;\u4f7f\u7528gzip\u89e3\u538b\u7f29&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;*\/&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>public&nbsp;static&nbsp;String&nbsp;uncompress(String&nbsp;compressedStr)&nbsp;{&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(<span>compressedStr<\/span><span>&nbsp;==&nbsp;null&nbsp;||&nbsp;compressedStr.length()&nbsp;==&nbsp;0)&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;compressedStr;&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;byte[]&nbsp;<span>compressed<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;sun.misc.BASE64Decoder().decodeBuffer(compressedStr);;&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;String&nbsp;<span>decompressed<\/span><span>&nbsp;=&nbsp;<\/span><span>null<\/span><span>;&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;(ByteArrayOutputStream&nbsp;<span>out<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;ByteArrayOutputStream();&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;ByteArrayInputStream&nbsp;<span>in<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;ByteArrayInputStream(compressed);&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;GZIPInputStream&nbsp;<span>ginzip<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;GZIPInputStream(in);)&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;byte[]&nbsp;<span>buffer<\/span><span>&nbsp;=&nbsp;<\/span><span>new<\/span><span>&nbsp;byte[1024];&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int&nbsp;<span>offset<\/span><span>&nbsp;=&nbsp;-1;&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;((<span>offset<\/span><span>&nbsp;=&nbsp;<\/span><span>ginzip<\/span><span>.read(buffer))&nbsp;!=&nbsp;-1)&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;out.write(buffer,&nbsp;0,&nbsp;offset);&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span>decompressed<\/span><span>&nbsp;=&nbsp;<\/span><span>out<\/span><span>.toString();&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(IOException&nbsp;e)&nbsp;{&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace();&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;decompressed;&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n<li><span>}&nbsp;<\/span><\/li>\n<\/ol>\n<h3>\u96c6\u5408\u7c7b\u578b<\/h3>\n<p>\u5982\u679c\u96c6\u5408\u7c7b\u578b\u7684\u5143\u7d20\u7684\u786e\u5f88\u591a\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5927\u96c6\u5408\u62c6\u5206\u6210\u591a\u4e2a\u5c0f\u96c6\u5408\u6765\u4fdd\u5b58\u3002<\/p>\n<h2>\u4f7f\u7528\u9ad8\u6548\u5e8f\u5217\u5316\u548c\u538b\u7f29\u65b9\u6cd5<\/h2>\n<p>\u4e3a\u4e86\u8282\u7701\u5185\u5b58\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9ad8\u6548\u7684\u5e8f\u5217\u5316\u65b9\u6cd5\u548c\u538b\u7f29\u65b9\u6cd5\u53bb\u51cf\u5c11 value\u7684\u5927\u5c0f\u3002<\/p>\n<p>protostuff\u548c kryo\u8fd9\u4e24\u79cd\u5e8f\u5217\u5316\u65b9\u6cd5\uff0c\u5c31\u8981\u6bd4 Java\u5185\u7f6e\u7684\u5e8f\u5217\u5316\u65b9\u6cd5\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n<p>\u4e0a\u8ff0\u7684\u4e24\u79cd\u5e8f\u5217\u5316\u65b9\u5f0f\u867d\u7136\u7701\u5185\u5b58\uff0c\u4f46\u662f\u5e8f\u5217\u5316\u540e\u90fd\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u53ef\u8bfb\u6027\u592a\u5dee\u3002<\/p>\n<p>\u901a\u5e38\u6211\u4eec\u4f1a\u5e8f\u5217\u5316\u6210 JSON\u6216\u8005 XML\uff0c\u4e3a\u4e86\u907f\u514d\u6570\u636e\u5360\u7528\u7a7a\u95f4\u5927\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u538b\u7f29\u5de5\u5177\uff08snappy\u3001 gzip\uff09\u5c06\u6570\u636e\u538b\u7f29\u518d\u5b58\u5230 Redis \u4e2d\u3002<\/p>\n<h2>\u4f7f\u7528\u6574\u6570\u5bf9\u8c61\u5171\u4eab\u6c60<\/h2>\n<p>Redis \u5185\u90e8\u7ef4\u62a4\u4e86 0 \u5230 9999 \u8fd9 1 \u4e07\u4e2a\u6574\u6570\u5bf9\u8c61\uff0c\u5e76\u628a\u8fd9\u4e9b\u6574\u6570\u4f5c\u4e3a\u4e00\u4e2a\u5171\u4eab\u6c60\u4f7f\u7528\u3002<\/p>\n<p>\u5373\u4f7f\u5927\u91cf\u952e\u503c\u5bf9\u4fdd\u5b58\u4e86 0 \u5230 9999 \u8303\u56f4\u5185\u7684\u6574\u6570\uff0c\u5728 Redis \u5b9e\u4f8b\u4e2d\uff0c\u5176\u5b9e\u53ea\u4fdd\u5b58\u4e86\u4e00\u4efd\u6574\u6570\u5bf9\u8c61\uff0c\u53ef\u4ee5\u8282\u7701\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6709\u4e24\u79cd\u60c5\u51b5\u662f\u4e0d\u751f\u6548\u7684\uff1a<\/p>\n<p>&nbsp; &nbsp; 1.&nbsp; Redis \u4e2d\u8bbe\u7f6e\u4e86 maxmemory\uff0c\u800c\u4e14\u542f\u7528\u4e86 LRU\u7b56\u7565\uff08allkeys-lru \u6216 volatile-lru \u7b56\u7565\uff09\uff0c\u90a3\u4e48\uff0c\u6574\u6570\u5bf9\u8c61\u5171\u4eab\u6c60\u5c31\u65e0\u6cd5\u4f7f\u7528\u4e86\u3002<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u8fd9\u662f\u56e0\u4e3a LRU \u9700\u8981\u7edf\u8ba1\u6bcf\u4e2a\u952e\u503c\u5bf9\u7684\u4f7f\u7528\u65f6\u95f4\uff0c\u5982\u679c\u4e0d\u540c\u7684\u952e\u503c\u5bf9\u90fd\u590d\u7528\u4e00\u4e2a\u6574\u6570\u5bf9\u8c61\u5c31\u65e0\u6cd5\u7edf\u8ba1\u4e86\u3002<\/p>\n<p>&nbsp; &nbsp; 2.&nbsp; \u5982\u679c\u96c6\u5408\u7c7b\u578b\u6570\u636e\u91c7\u7528 ziplist \u7f16\u7801\uff0c\u800c\u96c6\u5408\u5143\u7d20\u662f\u6574\u6570\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u4e5f\u4e0d\u80fd\u4f7f\u7528\u5171\u4eab\u6c60\u3002<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u56e0\u4e3a ziplist \u4f7f\u7528\u4e86\u7d27\u51d1\u578b\u5185\u5b58\u7ed3\u6784\uff0c\u5224\u65ad\u6574\u6570\u5bf9\u8c61\u7684\u5171\u4eab\u60c5\u51b5\u6548\u7387\u4f4e\u3002<\/p>\n<h2>\u547d\u4ee4\u4f7f\u7528\u89c4\u8303<\/h2>\n<p>\u6709\u7684\u547d\u4ee4\u7684\u6267\u884c\u4f1a\u9020\u6210\u5f88\u5927\u7684\u6027\u80fd\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u683c\u5916\u6ce8\u610f\u3002<\/p>\n<h2>\u751f\u4ea7\u7981\u7528\u7684\u6307\u4ee4<\/h2>\n<p>Redis \u662f\u5355\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42\u64cd\u4f5c\uff0c\u5982\u679c\u6211\u4eec\u6267\u884c\u4e00\u4e9b\u6d89\u53ca\u5927\u91cf\u64cd\u4f5c\u3001\u8017\u65f6\u957f\u7684\u547d\u4ee4\uff0c\u5c31\u4f1a\u4e25\u91cd\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u5bfc\u81f4\u5176\u5b83\u8bf7\u6c42\u65e0\u6cd5\u5f97\u5230\u6b63\u5e38\u5904\u7406\u3002<\/p>\n<ul>\n<li>&nbsp;KEYS\uff1a\u8be5\u547d\u4ee4\u9700\u8981\u5bf9 Redis \u7684\u5168\u5c40\u54c8\u5e0c\u8868\u8fdb\u884c\u5168\u8868\u626b\u63cf\uff0c\u4e25\u91cd\u963b\u585e Redis \u4e3b\u7ebf\u7a0b\uff1b<\/li>\n<\/ul>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u5e94\u8be5\u4f7f\u7528 SCAN \u6765\u4ee3\u66ff\uff0c\u5206\u6279\u8fd4\u56de\u7b26\u5408\u6761\u4ef6\u7684\u952e\u503c\u5bf9\uff0c\u907f\u514d\u4e3b\u7ebf\u7a0b\u963b\u585e\u3002<\/p>\n<ul>\n<li>&nbsp;FLUSHALL\uff1a\u5220\u9664 Redis \u5b9e\u4f8b\u4e0a\u7684\u6240\u6709\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u91cf\u5f88\u5927\uff0c\u4f1a\u4e25\u91cd\u963b\u585e Redis \u4e3b\u7ebf\u7a0b\uff1b<\/li>\n<li>&nbsp;FLUSHDB\uff0c\u5220\u9664\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u91cf\u5f88\u5927\uff0c\u540c\u6837\u4f1a\u963b\u585e Redis \u4e3b\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u52a0\u4e0a ASYNC \u9009\u9879\uff0c\u8ba9 FLUSHALL\uff0cFLUSHDB \u5f02\u6b65\u6267\u884c\u3002<\/p>\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u76f4\u63a5\u7981\u7528\uff0c\u7528rename-command\u547d\u4ee4\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5bf9\u8fd9\u4e9b\u547d\u4ee4\u8fdb\u884c\u91cd\u547d\u540d\uff0c\u8ba9\u5ba2\u6237\u7aef\u65e0\u6cd5\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u3002<\/p>\n<h2>\u614e\u7528 MONITOR \u547d\u4ee4<\/h2>\n<p>MONITOR \u547d\u4ee4\u4f1a\u628a\u76d1\u63a7\u5230\u7684\u5185\u5bb9\u6301\u7eed\u5199\u5165\u8f93\u51fa\u7f13\u51b2\u533a\u3002<\/p>\n<p>\u5982\u679c\u7ebf\u4e0a\u547d\u4ee4\u7684\u64cd\u4f5c\u5f88\u591a\uff0c\u8f93\u51fa\u7f13\u51b2\u533a\u5f88\u5feb\u5c31\u4f1a\u6ea2\u51fa\u4e86\uff0c\u8fd9\u5c31\u4f1a\u5bf9 Redis \u6027\u80fd\u9020\u6210\u5f71\u54cd\uff0c\u751a\u81f3\u5f15\u8d77\u670d\u52a1\u5d29\u6e83\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u9664\u975e\u5341\u5206\u9700\u8981\u76d1\u6d4b\u67d0\u4e9b\u547d\u4ee4\u7684\u6267\u884c\uff08\u4f8b\u5982\uff0cRedis \u6027\u80fd\u7a81\u7136\u53d8\u6162\uff0c\u6211\u4eec\u60f3\u67e5\u770b\u4e0b\u5ba2\u6237\u7aef\u6267\u884c\u4e86\u54ea\u4e9b\u547d\u4ee4\uff09\u6211\u4eec\u624d\u4f7f\u7528\u3002<\/p>\n<h2>\u614e\u7528\u5168\u91cf\u64cd\u4f5c\u547d\u4ee4<\/h2>\n<p>\u6bd4\u5982\u83b7\u53d6\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff08HASH \u7c7b\u578b\u7684 hgetall\u3001List \u7c7b\u578b\u7684 lrange\u3001Set \u7c7b\u578b\u7684 smembers\u3001zrange \u7b49\u547d\u4ee4\uff09\u3002<\/p>\n<p>\u8fd9\u4e9b\u64cd\u4f5c\u4f1a\u5bf9\u6574\u4e2a\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u8fdb\u884c\u5168\u91cf\u626b\u63cf \uff0c\u5bfc\u81f4\u963b\u585e Redis \u4e3b\u7ebf\u7a0b\u3002<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u5982\u679c\u4e1a\u52a1\u573a\u666f\u5c31\u662f\u9700\u8981\u83b7\u53d6\u5168\u91cf\u6570\u636e\u548b\u529e\uff1f<\/p>\n<p>\u6709\u4e24\u4e2a\u65b9\u5f0f\u53ef\u4ee5\u89e3\u51b3\uff1a<\/p>\n<ol>\n<li>&nbsp; \u4f7f\u7528 SSCAN\u3001HSCAN\u7b49\u547d\u4ee4\u5206\u6279\u8fd4\u56de\u96c6\u5408\u6570\u636e\uff1b<\/li>\n<li>&nbsp; \u628a\u5927\u96c6\u5408\u62c6\u6210\u5c0f\u96c6\u5408\uff0c\u6bd4\u5982\u6309\u7167\u65f6\u95f4\u3001\u533a\u57df\u7b49\u5212\u5206\u3002<\/li>\n<\/ol>\n<h2>\u6570\u636e\u4fdd\u5b58\u89c4\u8303<\/h2>\n<h3>\u51b7\u70ed\u6570\u636e\u5206\u79bb<\/h3>\n<p>\u867d\u7136 Redis \u652f\u6301\u4f7f\u7528 RDB \u5feb\u7167\u548c AOF \u65e5\u5fd7\u6301\u4e45\u5316\u4fdd\u5b58\u6570\u636e\uff0c\u4f46\u662f\uff0c\u8fd9\u4e24\u4e2a\u673a\u5236\u90fd\u662f\u7528\u6765\u63d0\u4f9b\u6570\u636e\u53ef\u9760\u6027\u4fdd\u8bc1\u7684\uff0c\u5e76\u4e0d\u662f\u7528\u6765\u6269\u5145\u6570\u636e\u5bb9\u91cf\u7684\u3002<\/p>\n<p>\u4e0d\u8981\u4ec0\u4e48\u6570\u636e\u90fd\u5b58\u5728 Redis\uff0c\u5e94\u8be5\u4f5c\u4e3a\u7f13\u5b58\u4fdd\u5b58\u70ed\u6570\u636e\uff0c\u8fd9\u6837\u65e2\u53ef\u4ee5\u5145\u5206\u5229\u7528 Redis 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