{"id":201383,"date":"2025-05-10T08:53:58","date_gmt":"2025-05-10T00:53:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201383\/"},"modified":"2025-05-10T08:53:58","modified_gmt":"2025-05-10T00:53:58","slug":"redis-%e4%ba%8b%e5%8a%a1%e7%9f%a5%e8%af%86%e7%82%b9%e7%9b%b8%e5%85%b3%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201383\/","title":{"rendered":"Redis \u4e8b\u52a1\u77e5\u8bc6\u70b9\u76f8\u5173\u603b\u7ed3"},"content":{"rendered":"

<\/b> <\/p>\n

Redis \u4e8b\u52a1\u77e5\u8bc6\u70b9\u76f8\u5173\u603b\u7ed3<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aRedis \u4e8b\u52a1\u77e5\u8bc6\u70b9\u76f8\u5173\u603b\u7ed3\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

Redis\u4e2d\u7684\u4e8b\u52a1\u4ecb\u7ecd
    MySQL\u4e2d\u7684\u4e8b\u52a1\u5927\u5bb6\u90fd\u4e0d\u964c\u751f\uff0cRedis\u4e2d\u7684\u4e8b\u52a1\u548cMySQL\u4e2d\u7684\u4e8b\u52a1\u4e0d\u540c\uff0c\u4eca\u5929\u770b\u4e0bRedis\u4e8b\u52a1\u4e2d\u7684\u4e00\u4e9b\u77e5\u8bc6\u70b9\u5427\u3002<\/p>\n

01 \u4e8b\u52a1\u7b80\u4ecb<\/h2>\n

    Redis\u4e2d\u7684\u4e8b\u52a1\u4f7f\u7528multi\u3001exec\u6765\u6807\u8bb0\uff0c\u5176\u4e2dmulti\u4ee3\u8868\u4e8b\u52a1\u5f00\u59cb\uff0cexec\u4ee3\u8868\u4e8b\u52a1\u7ed3\u675f\uff0cmulti\u548cexec\u4e4b\u95f4\u7684\u547d\u4ee4\u662f\u539f\u5b50\u987a\u5e8f\u6267\u884c\u7684\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n

\n127.0.0.1:7397> multi\nOK\n127.0.0.1:7397> set key_hello hello\nQUEUED\n127.0.0.1:7397> set key_world world\nQUEUED\n127.0.0.1:7397> exec\n1) OK\n2) OK<\/pre>\n
 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u547d\u4ee4\u6267\u884c\u7684\u4e2d\u95f4\u7ed3\u679c\u8fd4\u56de\u90fd\u662fqueued\uff0c\u4e5f\u5c31\u662f\u8bf4\u653e\u5230\u4e86\u961f\u5217\u91cc\u9762\uff0c\u6ca1\u6709\u771f\u6b63\u6267\u884c\u3002\u5728exec\u4e4b\u524d\uff0c\u5982\u679c\u4f7f\u7528get\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7684key_hello\u6216\u8005key_world\u7684\u503c\uff0c\u662f\u65e0\u6cd5\u83b7\u53d6\u5230\u7684\u3002<\/p>\n
02 \u547d\u4ee4\u9519\u8bef\u5bfc\u81f4\u7684\u4e8b\u52a1\u63d0\u4ea4\u5931\u8d25\uff0c\u6240\u6709\u547d\u4ee4\u90fd\u4e0d\u6267\u884c<\/h2>\n
  \u5982\u679c\u8c03\u7528API\u7684\u65f6\u5019\uff0c\u62fc\u5199\u9519\u8bef\uff0c\u5219\u4f1a\u9020\u6210\u6574\u4e2a\u4e8b\u52a1\u65e0\u6cd5\u6267\u884c\uff0c\u4f8b\u5982\u4e0b\u9762\u7684\u4f8b\u5b50\uff1a<\/p>\n
\n127.0.0.1:7397> multi\nOK\n127.0.0.1:7397> incr counter\nQUEUED\n127.0.0.1:7397> sett key_a aa\n(error) ERR unknown command `sett`, with args beginning with: `key_a`, `aa`, \n127.0.0.1:7397> exec\n(error) EXECABORT Transaction discarded because of previous errors.\n127.0.0.1:7397> get counter\n\"10\"<\/pre>\n
 \u53ef\u4ee5\u770b\u5230\uff0c\u56e0\u4e3aset\u62fc\u5199\u9519\u8bef\uff0c\u5199\u6210\u4e86sett\uff0c\u6574\u4e2a\u4e8b\u52a1\u5185\u90e8\u7684\u6240\u6709\u52a8\u4f5c\u90fd\u5931\u6548\u3002exec\u547d\u4ee4\u4e5f\u62a5\u9519\u3002<\/p>\n
03 \u8fd0\u884c\u65f6\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u9519\u8bef<\/h2>\n
 \u5982\u679c\u8bed\u6cd5\u6b63\u786e\uff0c\u4f46\u662f\u5728\u8fd0\u884c\u7684\u65f6\u5019\u51fa\u73b0\u4e86”\u8fd0\u884c\u65f6”\u9519\u8bef\uff0c\u4f8b\u5982\u5143\u7d20\u7684\u7c7b\u578b\u548c\u64cd\u4f5c\u7b26\u4e0d\u5339\u914d\uff0c\u4f8b\u5982\u5bf9\u5b57\u7b26\u578b\u503c\u8fdb\u884c\u81ea\u589e\u64cd\u4f5c\uff0c\u5982\u4e0b\uff1a<\/p>\n
\n127.0.0.1:7397> get key_a\n\"a\"\n127.0.0.1:7397> get key_b\n\"b\"\n127.0.0.1:7397> multi\nOK\n127.0.0.1:7397> incr key_a\nQUEUED\n127.0.0.1:7397> set key_b bbb\nQUEUED\n127.0.0.1:7397> exec\n1) (error) ERR value is not an integer or out of range\n2) OK\n127.0.0.1:7397> get key_b\n\"bbb\"<\/pre>\n
  \u5bf9key_a\u8fdb\u884c\u81ea\u589e\u8fd9\u7c7b\u9519\u8bef\uff0c\u5b83\u7684\u8bed\u6cd5\u662f\u6b63\u786e\u7684\uff0c\u4f46\u662f\u7531\u4e8ekey_a\u662f\u5b57\u7b26\u578b\u7684\uff0c\u81ea\u589e\u64cd\u4f5c\u662f\u4e0d\u5408\u9002\u7684\uff0c\u4e8b\u52a1\u4e2d\u8fd8\u5bf9key_b\u8fdb\u884c\u4e86\u8d4b\u503c\u64cd\u4f5c\uff0c\u5728\u6267\u884cexec\u7684\u65f6\u5019\uff0ckey_b\u7684\u503c\u662f\u88ab\u4fee\u6539\u7684\uff0c\u4ece”b”\u53d8\u6210\u4e86\u201cbbb\u201d\u3002<\/p>\n
04 \u4e22\u5f03\u4e8b\u52a1<\/h2>\n
   \u76f4\u63a5\u770b\u4f8b\u5b50\uff0c\u5728\u6267\u884c\u7684\u6700\u540e\uff0c\u4f7f\u7528discard\u5173\u952e\u5b57\u5bf9\u4e8b\u52a1\u8fdb\u884c\u4e22\u5f03\uff0c\u90a3\u4e48\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684key\u662f\u6ca1\u6709\u503c\u7684\u3002<\/p>\n
\n127.0.0.1:7397> multi\nOK\n127.0.0.1:7397> set key_aa aa\nQUEUED\n127.0.0.1:7397> set key_bb bb\nQUEUED\n127.0.0.1:7397> set key_cc cc\nQUEUED\n127.0.0.1:7397> discard\nOK\n127.0.0.1:7397> get key_aa\n(nil)\n127.0.0.1:7397> get key_bb\n(nil)\n127.0.0.1:7397> get key_cc\n(nil)<\/pre>\n
05 watch\u547d\u4ee4<\/h2>\n
  \u6709\u4e9b\u573a\u666f\u4e2d\uff0c\u9700\u8981\u5728\u4e8b\u52a1\u4e4b\u524d\uff0c\u786e\u4fdd\u4e8b\u52a1\u4e2d\u7684key\u6ca1\u6709\u88ab\u5176\u4ed6\u5ba2\u6237\u7aef\u4fee\u6539\u8fc7\uff0c\u624d\u6267\u884c\u4e8b\u52a1\uff0c\u5426\u5219\u4e0d\u6267\u884c\u4e8b\u52a1\uff0credis\u63d0\u4f9b\u4e86watch\u547d\u4ee4\u6765\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u3002<\/p>\n
\u6b63\u786e\u573a\u666f\uff1a<\/p>\n
\n127.0.0.1:7397> watch key_a\nOK\n127.0.0.1:7397> multi\nOK\n127.0.0.1:7397> set key_a aaa\nQUEUED\n127.0.0.1:7397> exec\n1) OK\n127.0.0.1:7397> get key_a\n\"aaa\"<\/pre>\n
\u4f7f\u7528watch\u76d1\u63a7key_a\u7684\u503c\uff0c\u5728exec\u4e4b\u524d\uff0ckey_a\u7684\u503c\u6ca1\u6709\u88ab\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\u8fc7\uff0c\u90a3\u4e48exec\u7684\u7ed3\u679c\u662f\u6210\u529f\u7684\u3002<\/p>\n
\u9519\u8bef\u573a\u666f\uff1a<\/p>\n
\n127.0.0.1:7397> watch key_a\nOK\n127.0.0.1:7397> get key_a\n\"aaa\"\n----------------------------------------\n\u6b64\u65f6\u5728\u53e6\u5916\u4e00\u4e2asession\u4e0a\u6267\u884cset key_a aaaaaa\n----------------------------------------\n127.0.0.1:7397> multi \nOK\n127.0.0.1:7397> set key_a a\nQUEUED\n127.0.0.1:7397> exec\n(nil)<\/pre>\n
\u5728watch\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4ed6session\u5bf9key_a\u7684\u503c\u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u90a3\u4e48\u4f1a\u9020\u6210exec\u6267\u884c\u5931\u8d25\uff0c\u8fd4\u56denil<\/p>\n
06 \u603b\u7ed3<\/h2>\n
1\u3001Redis\u4e8b\u52a1\u5c31\u662f\u4e00\u6b21\u6027\u3001\u987a\u5e8f\u6027\u3001\u6392\u4ed6\u6027\u7684\u6267\u884c\u4e00\u4e2a\u961f\u5217\u4e2d\u7684\u4e00\u7cfb\u5217\u547d\u4ee4\uff0c\u5206\u4e3a\u4e09\u4e2a\u8fc7\u7a0b\uff1a\u5f00\u59cb\u4e8b\u52a1\u3001\u547d\u4ee4\u5165\u961f\u3001\u6267\u884c\u4e8b\u52a1\u3002<\/p>\n
2\u3001Redis\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u4e8b\u52a1\uff0c\u4f7f\u7528multi\u3001exec\u3001discard\u8fd9\u4e09\u4e2a\u547d\u4ee4\u6765\u63a7\u5236<\/p>\n
3\u3001exec\u547d\u4ee4\u524d\uff0c\u6240\u6709\u7684\u539f\u5b50\u64cd\u4f5c\u90fd\u88ab\u653e\u5728\u961f\u5217\u4e2d\u7f13\u5b58\uff0c\u5e76\u4e0d\u4f1a\u771f\u6b63\u6267\u884c<\/p>\n
4\u3001Redis\u4e8b\u52a1\u4e0d\u5b58\u5728\u9694\u79bb\u7ea7\u522b\u7684\u6982\u5ff5<\/p>\n
5\u3001\u4e8b\u52a1\u4e2d\u7684\u5355\u6761\u547d\u4ee4\u662f\u539f\u5b50\u6267\u884c\u7684\uff0c\u4f46\u662f\u4e8b\u52a1\u672c\u8eab\u4e0d\u4fdd\u8bc1\u539f\u5b50\u6027\uff0c\u6ca1\u6709\u56de\u6eda\u673a\u5236<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis \u4e8b\u52a1\u77e5\u8bc6\u70b9\u76f8\u5173\u603b\u7ed3 ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201383","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201383"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201383\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}