{"id":1134,"date":"2016-03-22T17:10:56","date_gmt":"2016-03-22T09:10:56","guid":{"rendered":"http:\/\/www.yeetrack.com\/?p=1134"},"modified":"2016-03-22T17:19:16","modified_gmt":"2016-03-22T09:19:16","slug":"redis%e9%98%9f%e5%88%97","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=1134","title":{"rendered":"redis\u961f\u5217"},"content":{"rendered":"<p>\u5e38\u7528\u7684\u961f\u5217\u6709RabbitMQ\uff0cRedis\uff0cZeroMQ, ActiveMQ, Kafka\u7b49\uff0c\u5176\u4e2dredis\u662f\u8f83\u4e3a\u8f7b\u91cf\u7ea7\u7684\uff0c\u8fd9\u91cc\u7b80\u5355\u4ecb\u7ecd\u4e0b\u3002<\/p>\n<div id=\"preview-contents\" class=\"note-content\">\n<div id=\"wmd-preview-section-1326\" class=\"wmd-preview-section preview-content\">\n<p>Redis\u8fd9\u4e2a\u7f13\u5b58\u7684\u5e94\u7528\u4e4b\u6240\u4ee5\u80fd\u7528\u4f5c\u961f\u5217\uff0c\u8981\u5f97\u76ca\u4e8e<code>lpush<\/code>\u548c<code>brpop<\/code>\u4e24\u6761\u547d\u4ee4\uff1a<\/p>\n<pre class=\"prettyprint hljs-dark\"><code class=\"hljs applescript\">    lpush \u5728<span class=\"hljs-type\">list<\/span>\u5de6\u4fa7\u63d2\u5165\u6570\u636e\n    rpush \u5728<span class=\"hljs-type\">list<\/span>\u53f3\u4fa7\u63d2\u5165\u6570\u636e\n    brpop \u5728<span class=\"hljs-type\">list<\/span>\u53f3\u4fa7\u5f39\u51fa\u6570\u636e(\u5982\u679c\u6ca1\u6709\u6570\u636e\uff0c\u5c31\u963b\u585e\u8fdb\u7a0b)\n    blpop \u5728<span class=\"hljs-type\">list<\/span>\u5de6\u4fa7\u5f39\u51fa\u6570\u636e\uff08\u5982\u679c\u6ca1\u6709\u6570\u636e\uff0c\u5c31\u963b\u585e\u8fdb\u7a0b\uff09\n<\/code><\/pre>\n<p><!--more--><\/p>\n<p>\u8981\u5b9e\u73b0\u961f\u5217\uff0c\u5c31\u8ba9\u751f\u4ea7\u8005\u4e0d\u65ad\u5c06\u4efb\u52a1lpush\u5230\u961f\u5217\u4e2d\uff0c\u53e6\u4e00\u8fb9\u6d88\u8d39\u8005\u4e0d\u65adbrpop\u53d6\u51fa\u4efb\u52a1\u53bb\u5904\u7406\u3002<\/p>\n<p>\u56e0\u4e3a<code>brpop<\/code>\u548c<code>blpop<\/code>\u662f\u963b\u585e\u6027\u7684\uff0c\u6240\u4ee5\u4e0d\u7528\u81ea\u5df1\u5199sleep\u6307\u4ee4\u4e86\u3002<\/p>\n<pre class=\"prettyprint hljs-dark\"><code class=\"hljs smali\"><span class=\"hljs-comment\">#\u6d88\u8d39\u8005\u4f2a\u7801\u5982\u4e0b<\/span>\nwhile(true<span class=\"hljs-function\">)<\/span> {\n    task = BRPOP myquene 0\n    \/\/\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u7b2c\u4e00\u4e2a\u662f<span class=\"hljs-string\">\"myquene\"<\/span>\u961f\u5217\u540d\uff0c\u7b2c\u4e8c\u4e2a\u662f\u5f39\u51fa\u7684\u6570\u636e\n   <span class=\"hljs-instruction\"> execute <\/span>$task  \/\/\u6267\u884c\u4efb\u52a1\n}\n<\/code><\/pre>\n<p>BRPOP\u547d\u4ee4\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u662f\u952e\u503c\uff0c\u7b2c\u4e00\u4e2a\u662f\u8d85\u65f6\u65f6\u95f4\uff08\u5355\u4f4d\u79d2\uff09\u3002\u5f53\u8d85\u8fc7\u4e86\u65f6\u95f4\uff0c\u5c31\u8fd4\u56denil\uff08\u7a7a\uff09\u3002\u5982\u679c\u8d85\u65f6\u65f6\u95f4\u8bbe\u7f6e\u4e3a0\uff0c\u8868\u793a\u6c38\u4e0d\u8d85\u65f6\uff0c\u6c38\u8fdc\u7b49\u5f85\uff08\u76f4\u5230\u53d6\u5230\u4e86\u5143\u7d20\uff09\u3002<\/p>\n<pre class=\"prettyprint hljs-dark\"><code class=\"hljs cpp\">    <span class=\"hljs-preprocessor\">#\u5411redis\u4e2dpush\u4e00\u6761\u6570\u636e<\/span>\n    <span class=\"hljs-number\">127.0<\/span><span class=\"hljs-number\">.0<\/span><span class=\"hljs-number\">.1<\/span>:<span class=\"hljs-number\">6379<\/span>&gt; lpush myquene <span class=\"hljs-string\">\"c\"<\/span>\n    (integer) <span class=\"hljs-number\">1<\/span>\n\n    <span class=\"hljs-preprocessor\">#\u4eceredis\u4e2dpop\u4e00\u6761\u6570\u636e<\/span>\n    <span class=\"hljs-number\">127.0<\/span><span class=\"hljs-number\">.0<\/span><span class=\"hljs-number\">.1<\/span>:<span class=\"hljs-number\">6379<\/span>&gt; brpop myquene <span class=\"hljs-number\">0<\/span>\n    <span class=\"hljs-number\">1<\/span>) <span class=\"hljs-string\">\"myquene\"<\/span>\n    <span class=\"hljs-number\">2<\/span>) <span class=\"hljs-string\">\"c\"<\/span>\n<\/code><\/pre>\n<p>java\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre class=\"prettyprint hljs-dark\"><code class=\"hljs processing\">    @Test <span class=\"hljs-keyword\">void<\/span> testQuene() {\n        <span class=\"hljs-comment\">\/\/push<\/span>\n        jedis.lpush(<span class=\"hljs-string\">\"myquene\"<\/span>, <span class=\"hljs-string\">\"a\"<\/span>);\n        jedis.lpush(<span class=\"hljs-string\">\"myquene\"<\/span>, <span class=\"hljs-string\">\"b\"<\/span>);\n        jedis.rpush(<span class=\"hljs-string\">\"myquene\"<\/span>, <span class=\"hljs-string\">\"c\"<\/span>);\n        jedis.rpush(<span class=\"hljs-string\">\"myquene\"<\/span>, <span class=\"hljs-string\">\"d\"<\/span>);\n\n        <span class=\"hljs-comment\">\/\/pop<\/span>\n           List&lt;<span class=\"hljs-keyword\">String<\/span>&gt; stringList = jedis.blpop(<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-string\">\"myquene\"<\/span>);\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">String<\/span> index : stringList) {\n            System.out.<span class=\"hljs-built_in\">println<\/span>(<span class=\"hljs-string\">\"----\"<\/span>);\n            System.out.<span class=\"hljs-built_in\">println<\/span>(index);\n        }\n\n        stringList = jedis.brpop(<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-string\">\"myquene\"<\/span>);\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">String<\/span> index : stringList) {\n            System.out.<span class=\"hljs-built_in\">println<\/span>(<span class=\"hljs-string\">\"++++++\"<\/span>);\n            System.out.<span class=\"hljs-built_in\">println<\/span>(index);\n        }\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-built_in\">int<\/span> i=<span class=\"hljs-number\">1<\/span>; i&lt;=<span class=\"hljs-number\">30<\/span>; i++) {\n            System.out.<span class=\"hljs-built_in\">println<\/span>(i);\n            System.out.<span class=\"hljs-built_in\">println<\/span>(jedis.brpop(<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-string\">\"myquene\"<\/span>));\n        }\n    }\n<\/code><\/pre>\n<\/div>\n<div id=\"wmd-preview-section-2137\" class=\"wmd-preview-section preview-content\">\n<h2 id=\"redis\u961f\u5217\u7684\u4f18\u5148\u7ea7\">Redis\u961f\u5217\u7684\u4f18\u5148\u7ea7<\/h2>\n<ol>\n<li>redis\u63d0\u4f9b\u6307\u4ee4<code>lpush<\/code>\u548c<code>rpush<\/code>\uff0c\u6765\u4e86\u9ad8\u4f18\u5148\u7ea7\u7684\u961f\u5217\u628a\u5b83push\u5230\u961f\u5217\u7684\u6700\u524d\u7aef\u3002 \u8fd9\u4e2a\u65b9\u6cd5\u7684\u7f3a\u70b9\u662f\u9ad8\u4f18\u5148\u7684\u4efb\u52a1\u4e4b\u95f4\u7684\u6267\u884c\u987a\u5e8f\u662f\u5148\u8fdb\u540e\u51fa\u3002<\/li>\n<li>\u4e0a\u9762\u63d0\u4f9b\u7684\u65b9\u6cd5\uff0c\u4ec5\u4ec5\u505a\u5230\u4e86\u9ad8\u4f18\u5148\u7ea7\u7684\u6bd4\u4f4e\u4f18\u5148\u7ea7\u7684\u5148\u6267\u884c\uff1b\u4f46\u662f\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\u4e4b\u95f4\u7684\u987a\u5e8f\u3002\u89e3\u51b3\u529e\u6cd5\u662f\uff1a\u8bbe\u7f6e\u4e24\u4e2a\u961f\u5217\uff0c\u4e00\u4e2a\u9ad8\u4f18\u5148\u7ea7\u961f\u5217\uff0c\u4e00\u4e2a\u4f4e\u4f18\u5148\u7ea7\u961f\u5217\u3002\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u653e\u5230\u9ad8\u4f18\u961f\u5217\uff0c\u4f4e\u4f18\u5148\u7ea7\u4efb\u52a1\u653e\u4f4e\u4f18\u961f\u5217\u3002<br \/>\n\u6d88\u8d39\u8005\u8bfb\u53d6\u7684\u65f6\u5019\u5148\u4ece\u9ad8\u4f18\u961f\u5217\u8bfb\u53d6\uff0c\u5982\u679c\u6ca1\u6709\u4efb\u52a1\uff0c\u518d\u4ece\u4f4e\u4f18\u5148\u7ea7\u961f\u5217\u8bfb\u53d6\u3002public void test() {<br \/>\nJedis jedis = new Jedis(\u201cip\u201d, 6379);<br \/>\nwhile(true) {<br \/>\nList data = jedis.brpop(0, \u201chigh\u201d, \u201clow\u201d);<br \/>\nexecute(data[1]);<br \/>\n}<br \/>\n}<br \/>\n\u4e0a\u9762\u7684\u4ee3\u7801\u4f1a\u963b\u585e\u5730\u4ece\u201dhigh\u201d\u548c\u201dlow\u201d\u961f\u5217\u4e2d\u53d6\u4efb\u52a1\uff0c\u5982\u679c\u201dhigh\u201d\u961f\u5217\u4e2d\u6ca1\u6709\u518d\u4ece\u201dlow\u201d\u961f\u5217\u4e2d\u53d6\u3002<\/li>\n<li>\u4f18\u5148\u7ea7\u7ea7\u522b\u5f88\u591a\u7684\u60c5\u51b5<br \/>\n\u5047\u8bbe\u6709\u4e2a\u8fd9\u6837\u7684\u9700\u6c42\uff0c\u4f18\u5148\u7ea7\u4e0d\u662f\u7b80\u5355\u7684\u9ad8\u4e2d\u4f4e\u6216\u80050-10\u8fd9\u4e9b\u56fa\u5b9a\u7684\u7ea7\u522b\u3002\u800c\u662f\u7c7b\u4f3c0-99999\u8fd9\u4e48\u591a\u7ea7\u522b\u3002\u90a3\u4e48\u6211\u4eec\u7b2c\u4e09\u79cd\u65b9\u6848\u5c06\u4e0d\u592a\u5408\u9002\u4e86\u3002<br \/>\n\u867d\u7136redis\u6709sorted set\u8fd9\u6837\u7684\u53ef\u4ee5\u6392\u5e8f\u7684\u6570\u636e\u7c7b\u578b\uff0c\u770b\u662f\u5f88\u53ef\u60dc\u5b83\u6ca1\u6709\u963b\u585e\u7248\u7684\u63a5\u53e3\u3002\u4e8e\u662f\u6211\u4eec\u8fd8\u662f\u53ea\u80fd\u4f7f\u7528list\u7c7b\u578b\u901a\u8fc7\u5176\u4ed6\u65b9\u5f0f\u6765\u5b8c\u6210\u76ee\u7684\u3002<br \/>\n\u6709\u4e2a\u7b80\u5355\u7684\u505a\u6cd5\u6211\u4eec\u53ef\u4ee5\u53ea\u8bbe\u7f6e\u4e00\u4e2a\u961f\u5217\uff0c\u5e76\u4fdd\u8bc1\u5b83\u662f\u6309\u7167\u4f18\u5148\u7ea7\u6392\u5e8f\u53f7\u7684\u3002\u7136\u540e\u901a\u8fc7\u4e8c\u5206\u67e5\u627e\u6cd5\u67e5\u627e\u4e00\u4e2a\u4efb\u52a1\u5408\u9002\u7684\u4f4d\u7f6e\uff0c\u5e76\u901a\u8fc7 lset \u547d\u4ee4\u63d2\u5165\u5230\u76f8\u5e94\u7684\u4f4d\u7f6e\u3002<br \/>\n\u4f8b\u5982\u961f\u5217\u91cc\u9762\u5305\u542b\u7740\u5199\u4f18\u5148\u7ea7\u7684\u4efb\u52a1[1, 3, 6, 8, 9, 14]\uff0c\u5f53\u6709\u4e2a\u4f18\u5148\u7ea7\u4e3a7\u7684\u4efb\u52a1\u8fc7\u6765\uff0c\u6211\u4eec\u901a\u8fc7\u81ea\u5df1\u7684\u4e8c\u5206\u7b97\u6cd5\u4e00\u4e2a\u4e2a\u4ece\u961f\u5217\u91cc\u9762\u53d6\u6570\u636e\u51fa\u6765\u53cd\u548c\u76ee\u6807\u6570\u636e\u6bd4\u5bf9\uff0c\u8ba1\u7b97\u51fa\u76f8\u5e94\u7684\u4f4d\u7f6e\u7136\u540e\u63d2\u5165\u5230\u6307\u5b9a\u5730\u70b9\u5373\u53ef\u3002<br \/>\n\u56e0\u4e3a\u4e8c\u5206\u67e5\u627e\u662f\u6bd4\u8f83\u5feb\u7684\uff0c\u5e76\u4e14redis\u672c\u8eab\u4e5f\u90fd\u5728\u5185\u5b58\u4e2d\uff0c\u7406\u8bba\u4e0a\u901f\u5ea6\u662f\u53ef\u4ee5\u4fdd\u8bc1\u7684\u3002\u4f46\u662f\u5982\u679c\u8bf4\u6570\u636e\u91cf\u786e\u5b9e\u5f88\u5927\u7684\u8bdd\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u65b9\u5f0f\u6765\u8c03\u4f18\u3002<\/li>\n<li>\u56de\u60f3\u6211\u4eec\u7b2c\u4e09\u79cd\u65b9\u6848\uff0c\u628a\u7b2c\u4e09\u79cd\u65b9\u6848\u7ed3\u5408\u8d77\u6765\u5c31\u4f1a\u5f88\u5927\u7a0b\u5ea6\u4e0a\u51cf\u5c11\u5f00\u9500\u3002\u4f8b\u5982\u6570\u636e\u91cf\u5341\u4e07\u7684\u961f\u5217\uff0c\u5b83\u4eec\u7684\u4f18\u5148\u7ea7\u4e5f\u662f\u968f\u673a0-\u5341\u4e07\u7684\u533a\u95f4\u3002\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e 10\u4e2a\u6216\u8005100\u4e2a\u4e0d\u540c\u7684\u961f\u5217\uff0c0-\u4e00\u4e07\u7684\u4f18\u5148\u7ea7\u4efb\u52a1\u6295\u653e\u52301\u53f7\u961f\u5217\uff0c\u4e00\u4e07-\u4e8c\u4e07\u7684\u4efb\u52a1\u6295\u653e\u52302\u53f7\u961f\u5217\u3002\u8fd9\u6837\u5c06\u4e00\u4e2a\u961f\u5217\u6309\u4e0d\u540c\u7b49\u7ea7\u62c6\u5206\u540e\u5b83\u5355\u4e2a\u961f\u5217\u7684\u6570\u636e \u5c31\u51cf\u5c11\u8bb8\u591a\uff0c\u8fd9\u6837\u4e8c\u5206\u67e5\u627e\u5339\u914d\u7684\u6548\u7387\u4e5f\u4f1a\u9ad8\u4e00\u70b9\u3002\u4f46\u662f\u6570\u636e\u6240\u5360\u7684\u8d44\u6e90\u57fa\u672c\u662f\u4e0d\u53d8\u7684\uff0c\u5341\u4e07\u6570\u636e\u8be5\u5360\u591a\u5c11\u5185\u5b58\u8fd8\u662f\u591a\u5c11\u3002\u53ea\u662f\u7cfb\u7edf\u91cc\u9762\u591a\u4e86\u4e00\u4e9b\u961f\u5217\u800c\u5df2\u3002<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><!--more--><\/p>\n<p><!--more--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5e38\u7528\u7684\u961f\u5217\u6709RabbitMQ\uff0cRedis\uff0cZeroMQ, ActiveMQ, Kafka\u7b49\uff0c\u5176\u4e2dredis\u662f\u8f83\u4e3a\u8f7b\u91cf\u7ea7\u7684\uff0c\u8fd9\u91cc\u7b80\u5355\u4ecb\u7ecd\u4e0b\u3002 Redis\u8fd9\u4e2a\u7f13\u5b58\u7684\u5e94\u7528\u4e4b\u6240\u4ee5\u80fd\u7528\u4f5c\u961f\u5217\uff0c\u8981\u5f97\u76ca\u4e8elpush&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[34],"tags":[8,54],"class_list":["post-1134","post","type-post","status-publish","format-standard","hentry","category-software","tag-java","tag-redis"],"views":3385,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1134"}],"version-history":[{"count":2,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/1134\/revisions"}],"predecessor-version":[{"id":1136,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/1134\/revisions\/1136"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}