{"id":201531,"date":"2025-05-10T08:30:25","date_gmt":"2025-05-10T00:30:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201531\/"},"modified":"2025-05-10T08:30:25","modified_gmt":"2025-05-10T00:30:25","slug":"%e4%b8%80%e6%96%87%e8%af%a6%e8%a7%a3-redis-%e4%b8%ad-bigkey%e3%80%81hotkey-%e7%9a%84%e5%8f%91%e7%8e%b0%e4%b8%8e%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201531\/","title":{"rendered":"\u4e00\u6587\u8be6\u89e3 Redis \u4e2d BigKey\u3001HotKey \u7684\u53d1\u73b0\u4e0e\u5904\u7406"},"content":{"rendered":"

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

\u4e00\u6587\u8be6\u89e3 Redis \u4e2d BigKey\u3001HotKey \u7684\u53d1\u73b0\u4e0e\u5904\u7406<\/h1>\n

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

\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0cgolang\u5b66\u4e60\u7f51\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u4e00\u6587\u8be6\u89e3 Redis \u4e2d BigKey\u3001HotKey \u7684\u53d1\u73b0\u4e0e\u5904\u7406\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86Redis\u3001\u6570\u636e\u5e93\u3001BigKey\u3001HotKey\u3001\u963f\u91cc\u4e91\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

 <\/p>\n<\/p>\n

\u4e00 \u524d\u8a00<\/strong><\/p>\n

\u5728Redis\u7684\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230BigKey\uff08\u4e0b\u6587\u5c06\u5176\u79f0\u4e3a\u201c\u5927key\u201d\uff09\u53caHotKey\uff08\u4e0b\u6587\u5c06\u5176\u79f0\u4e3a\u201c\u70edkey\u201d\uff09\u3002\u5927Key\u4e0e\u70edKey\u5982\u679c\u672a\u80fd\u53ca\u65f6\u53d1\u73b0\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u5f88\u53ef\u80fd\u4f1a\u4f7f\u670d\u52a1\u6027\u80fd\u4e0b\u964d\u3001\u7528\u6237\u4f53\u9a8c\u53d8\u5dee\uff0c\u751a\u81f3\u5f15\u53d1\u5927\u9762\u79ef\u6545\u969c\u3002<\/p>\n

\u4e8c \u5927Key\u4e0e\u70edKey\u7684\u5b9a\u4e49<\/strong><\/p>\n

\u6211\u4eec\u7ecf\u5e38\u80fd\u591f\u5728\u516c\u53f8\u5185\u90e8\u7684Redis\u5f00\u53d1\u4f7f\u7528\u89c4\u8303\u624b\u518c\uff0c\u6216\u7f51\u7edc\u4e2d\u5927\u91cf\u7684Redis\u6700\u4f73\u5b9e\u8df5\u6587\u7ae0\u91cc\u770b\u5230\u6709\u5173\u5927Key\u3001\u70edKey\u7684\u5b9a\u4e49\uff0c\u7136\u800c\u8fd9\u4e9b\u8d44\u6599\u4e2d\u7684\u5927Key\u70edKey\u5224\u5b9a\u6807\u51c6\u5374\u4e0d\u5c3d\u76f8\u540c\uff0c\u4f46\u53ef\u4ee5\u660e\u786e\u7684\u662f\uff0c\u5b83\u4eec\u7684\u5224\u5b9a\u7ef4\u5ea6\u662f\u4e00\u81f4\u7684\uff1a\u5927Key\u901a\u5e38\u90fd\u4f1a\u4ee5\u6570\u636e\u5927\u5c0f\u4e0e\u6210\u5458\u6570\u91cf\u6765\u5224\u5b9a\uff0c\u800c\u70edKey\u5219\u4ee5\u5176\u63a5\u6536\u5230\u7684\u8bf7\u6c42\u9891\u7387\u3001\u6570\u91cf\u6765\u5224\u5b9a\u3002<\/p>\n

1 \u4ec0\u4e48\u662f\u5927Key<\/strong><\/p>\n

\u901a\u5e38\u6211\u4eec\u4f1a\u5c06\u542b\u6709\u8f83\u5927\u6570\u636e\u6216\u542b\u6709\u5927\u91cf\u6210\u5458\u3001\u5217\u8868\u6570\u7684Key\u79f0\u4e4b\u4e3a\u5927Key\uff0c\u4e0b\u9762\u6211\u4eec\u5c06\u7528\u51e0\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u5bf9\u5927Key\u7684\u7279\u5f81\u8fdb\u884c\u63cf\u8ff0\uff1a<\/p>\n

\u4e00\u4e2aSTRING\u7c7b\u578b\u7684Key\uff0c\u5b83\u7684\u503c\u4e3a5MB\uff08\u6570\u636e\u8fc7\u5927\uff09
\u4e00\u4e2aLIST\u7c7b\u578b\u7684Key\uff0c\u5b83\u7684\u5217\u8868\u6570\u91cf\u4e3a20000\u4e2a\uff08\u5217\u8868\u6570\u91cf\u8fc7\u591a\uff09
\u4e00\u4e2aZSET\u7c7b\u578b\u7684Key\uff0c\u5b83\u7684\u6210\u5458\u6570\u91cf\u4e3a10000\u4e2a\uff08\u6210\u5458\u6570\u91cf\u8fc7\u591a\uff09
\u4e00\u4e2aHASH\u683c\u5f0f\u7684Key\uff0c\u5b83\u7684\u6210\u5458\u6570\u91cf\u867d\u7136\u53ea\u67091000\u4e2a\u4f46\u8fd9\u4e9b\u6210\u5458\u7684value\u603b\u5927\u5c0f\u4e3a100MB\uff08\u6210\u5458\u4f53\u79ef\u8fc7\u5927\uff09
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4ee5\u4e0a\u7684\u4f8b\u5b50\u4e2d\uff0c\u4e3a\u4e86\u65b9\u4fbf\u7406\u89e3\uff0c\u6211\u4eec\u5bf9\u5927Key\u7684\u6570\u636e\u3001\u6210\u5458\u3001\u5217\u8868\u6570\u7ed9\u51fa\u4e86\u5177\u4f53\u7684\u6570\u5b57\u3002\u4e3a\u4e86\u907f\u514d\u8bef\u5bfc\uff0c\u5728\u5b9e\u9645\u4e1a\u52a1\u4e2d\uff0c\u5927Key\u7684\u5224\u5b9a\u4ecd\u7136\u9700\u8981\u6839\u636eRedis\u7684\u5b9e\u9645\u4f7f\u7528\u573a\u666f\u3001\u4e1a\u52a1\u573a\u666f\u6765\u8fdb\u884c\u7efc\u5408\u5224\u65ad\u3002<\/p>\n

2 \u4ec0\u4e48\u662f\u70edKey<\/strong><\/p>\n

\u5728\u67d0\u4e2aKey\u63a5\u6536\u5230\u7684\u8bbf\u95ee\u6b21\u6570\u3001\u663e\u8457\u9ad8\u4e8e\u5176\u5b83Key\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u79f0\u4e4b\u4e3a\u70edKey\uff0c\u5e38\u89c1\u7684\u70edKey\u5982\uff1a<\/p>\n

\u67d0Redis\u5b9e\u4f8b\u7684\u6bcf\u79d2\u603b\u8bbf\u95ee\u91cf\u4e3a10000\uff0c\u800c\u5176\u4e2d\u4e00\u4e2aKey\u7684\u6bcf\u79d2\u8bbf\u95ee\u91cf\u8fbe\u5230\u4e867000\uff08\u8bbf\u95ee\u6b21\u6570\u663e\u8457\u9ad8\u4e8e\u5176\u5b83Key\uff09
\u5bf9\u4e00\u4e2a\u62e5\u6709\u4e0a\u5343\u4e2a\u6210\u5458\u4e14\u603b\u5927\u5c0f\u4e3a1MB\u7684HASH Key\u6bcf\u79d2\u53d1\u9001\u5927\u91cf\u7684HGETALL\uff08\u5e26\u5bbd\u5360\u7528\u663e\u8457\u9ad8\u4e8e\u5176\u5b83Key\uff09
\u5bf9\u4e00\u4e2a\u62e5\u6709\u6570\u4e07\u4e2a\u6210\u5458\u7684ZSET Key\u6bcf\u79d2\u53d1\u9001\u5927\u91cf\u7684ZRANGE\uff08CPU\u65f6\u95f4\u5360\u7528\u663e\u8457\u9ad8\u4e8e\u5176\u5b83Key\uff09<\/p>\n

\u4e09 \u5927Key\u4e0e\u70edKey\u5e26\u6765\u7684\u95ee\u9898<\/strong><\/p>\n

\u5728Redis\u7684\u4f7f\u7528\u4e2d\uff0c\u5927Key\u53ca\u70edKey\u4f1a\u7ed9Redis\u5e26\u6765\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u800c\u6700\u5e38\u89c1\u7684\u95ee\u9898\u4e3a\u6027\u80fd\u4e0b\u964d\u3001\u8bbf\u95ee\u8d85\u65f6\u3001\u6570\u636e\u4e0d\u5747\u8861\u7b49\u3002<\/p>\n

1 \u5927Key\u5e26\u6765\u7684\u5e38\u89c1\u95ee\u9898<\/strong><\/p>\n

Client\u53d1\u73b0Redis\u53d8\u6162\uff1b
Redis\u5185\u5b58\u4e0d\u65ad\u53d8\u5927\u5f15\u53d1OOM\uff0c\u6216\u8fbe\u5230maxmemory\u8bbe\u7f6e\u503c\u5f15\u53d1\u5199\u963b\u585e\u6216\u91cd\u8981Key\u88ab\u9010\u51fa\uff1b
Redis Cluster\u4e2d\u7684\u67d0\u4e2anode\u5185\u5b58\u8fdc\u8d85\u5176\u4f59node\uff0c\u4f46\u56e0Redis Cluster\u7684\u6570\u636e\u8fc1\u79fb\u6700\u5c0f\u7c92\u5ea6\u4e3aKey\u800c\u65e0\u6cd5\u5c06node\u4e0a\u7684\u5185\u5b58\u5747\u8861\u5316\uff1b
\u5927Key\u4e0a\u7684\u8bfb\u8bf7\u6c42\u4f7fRedis\u5360\u7528\u670d\u52a1\u5668\u5168\u90e8\u5e26\u5bbd\uff0c\u81ea\u8eab\u53d8\u6162\u7684\u540c\u65f6\u5f71\u54cd\u5230\u8be5\u670d\u52a1\u5668\u4e0a\u7684\u5176\u5b83\u670d\u52a1\uff1b
\u5220\u9664\u4e00\u4e2a\u5927Key\u9020\u6210\u4e3b\u5e93\u8f83\u957f\u65f6\u95f4\u7684\u963b\u585e\u5e76\u5f15\u53d1\u540c\u6b65\u4e2d\u65ad\u6216\u4e3b\u4ece\u5207\u6362\uff1b<\/p>\n

2 \u70edKey\u5e26\u6765\u7684\u5e38\u89c1\u95ee\u9898<\/strong><\/p>\n

\u70edKey\u5360\u7528\u5927\u91cf\u7684Redis CPU\u65f6\u95f4\u4f7f\u5176\u6027\u80fd\u53d8\u5dee\u5e76\u5f71\u54cd\u5176\u5b83\u8bf7\u6c42\uff1b
Redis Cluster\u4e2d\u5404node\u6d41\u91cf\u4e0d\u5747\u8861\u9020\u6210Redis Cluster\u7684\u5206\u5e03\u5f0f\u4f18\u52bf\u65e0\u6cd5\u88abClient\u5229\u7528\uff0c\u4e00\u4e2a\u5206\u7247\u8d1f\u8f7d\u5f88\u9ad8\u800c\u5176\u5b83\u5206\u7247\u5341\u5206\u7a7a\u95f2\u4ece\u800c\u4ea7\u751f\u8bfb\/\u5199\u70ed\u70b9\u95ee\u9898\uff1b
\u5728\u62a2\u8d2d\u3001\u79d2\u6740\u6d3b\u52a8\u4e2d\uff0c\u7531\u4e8e\u5546\u54c1\u5bf9\u5e94\u5e93\u5b58Key\u7684\u8bf7\u6c42\u91cf\u8fc7\u5927\u8d85\u51faRedis\u5904\u7406\u80fd\u529b\u9020\u6210\u8d85\u5356\uff1b
\u70edKey\u7684\u8bf7\u6c42\u538b\u529b\u6570\u91cf\u8d85\u51faRedis\u7684\u627f\u53d7\u80fd\u529b\u9020\u6210\u7f13\u5b58\u51fb\u7a7f\uff0c\u6b64\u65f6\u5927\u91cf\u5f3a\u6c42\u5c06\u76f4\u63a5\u6307\u5411\u540e\u7aef\u5b58\u50a8\u5c06\u5176\u6253\u6302\u5e76\u5f71\u54cd\u5230\u5176\u5b83\u4e1a\u52a1\uff1b
\u56db \u5927Key\u4e0e\u70edKey\u7684\u5e38\u89c1\u4ea7\u751f\u539f\u56e0
\u4e1a\u52a1\u89c4\u5212\u4e0d\u8db3\u3001Redis\u4e0d\u6b63\u786e\u7684\u4f7f\u7528\u3001\u65e0\u6548\u6570\u636e\u7684\u5806\u79ef\u3001\u8bbf\u95ee\u7a81\u589e\u7b49\u90fd\u4f1a\u4ea7\u751f\u5927Key\u4e0e\u70edKey\uff0c\u5982\uff1a<\/p>\n

\u5c06Redis\u7528\u5728\u5e76\u4e0d\u9002\u5408\u5176\u80fd\u529b\u7684\u573a\u666f\uff0c\u9020\u6210Key\u7684value\u8fc7\u5927\uff0c\u5982\u4f7f\u7528String\u7c7b\u578b\u7684Key\u5b58\u653e\u5927\u4f53\u79ef\u4e8c\u8fdb\u5236\u6587\u4ef6\u578b\u6570\u636e\uff08\u5927Key\uff09\uff1b
\u4e1a\u52a1\u4e0a\u7ebf\u524d\u89c4\u5212\u8bbe\u8ba1\u8003\u8651\u4e0d\u8db3\u6ca1\u6709\u5bf9Key\u4e2d\u7684\u6210\u5458\u8fdb\u884c\u5408\u7406\u7684\u62c6\u5206\uff0c\u9020\u6210\u4e2a\u522bKey\u4e2d\u7684\u6210\u5458\u6570\u91cf\u8fc7\u591a\uff08\u5927Key\uff09\uff1b
\u6ca1\u6709\u5bf9\u65e0\u6548\u6570\u636e\u8fdb\u884c\u5b9a\u671f\u6e05\u7406\uff0c\u9020\u6210\u5982HASH\u7c7b\u578bKey\u4e2d\u7684\u6210\u5458\u6301\u7eed\u4e0d\u65ad\u7684\u589e\u52a0\uff08\u5927Key\uff09\uff1b
\u9884\u671f\u5916\u7684\u8bbf\u95ee\u91cf\u9661\u589e\uff0c\u5982\u7a81\u7136\u51fa\u73b0\u7684\u7206\u6b3e\u5546\u54c1\u3001\u8bbf\u95ee\u91cf\u66b4\u6da8\u7684\u70ed\u70b9\u65b0\u95fb\u3001\u76f4\u64ad\u95f4\u67d0\u5927\u4e3b\u64ad\u641e\u6d3b\u52a8\u5e26\u6765\u7684\u5927\u91cf\u5237\u5c4f\u70b9\u8d5e\u3001\u6e38\u620f\u4e2d\u67d0\u533a\u57df\u53d1\u751f\u591a\u4e2a\u5de5\u4f1a\u95f4\u7684\u6218\u6597\u6d89\u53ca\u5927\u91cf\u73a9\u5bb6\u7b49\uff08\u70edKey\uff09\uff1b
\u4f7f\u7528LIST\u7c7b\u578bKey\u7684\u4e1a\u52a1\u6d88\u8d39\u4fa7\u4ee3\u7801\u6545\u969c\uff0c\u9020\u6210\u5bf9\u5e94Key\u7684\u6210\u5458\u53ea\u589e\u4e0d\u51cf\uff08\u5927Key\uff09\uff1b<\/p>\n

\u4e94 \u627e\u51faRedis\u4e2d\u7684\u5927Key\u4e0e\u70edKey<\/strong><\/p>\n

\u5927Key\u4e0e\u70edKey\u7684\u5206\u6790\u5e76\u4e0d\u56f0\u96be\uff0c\u6211\u4eec\u6709\u591a\u79cd\u9014\u5f84\u548c\u624b\u6bb5\u6765\u5bf9Redis\u4e2d\u7684Key\u8fdb\u884c\u5206\u6790\u5e76\u627e\u51fa\u5176\u4e2d\u7684\u201c\u95ee\u9898\u201dKey\uff0c\u5982Redis\u7684\u5185\u7f6e\u529f\u80fd\u3001\u5f00\u6e90\u5de5\u5177\u3001\u963f\u91cc\u4e91Redis\u63a7\u5236\u53f0\u4e2d\u7684Key\u5206\u6790\u529f\u80fd\u7b49\u3002<\/p>\n

1 \u4f7f\u7528Redis\u5185\u7f6e\u529f\u80fd\u53d1\u73b0\u5927Key\u53ca\u70edKey<\/strong><\/p>\n

Redis\u5185\u7f6e\u7684\u4e00\u4e9b\u547d\u4ee4\u3001\u5de5\u5177\u90fd\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6765\u53d1\u73b0\u8fd9\u4e9b\u95ee\u9898Key\u3002\u5f53\u4f60\u5bf9Redis\u7684\u5927Key\u70edKey\u5df2\u6709\u660e\u786e\u7684\u5206\u6790\u76ee\u6807\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u547d\u4ee4\u5bf9\u5bf9\u5e94Key\u8fdb\u884c\u5206\u6790\u3002<\/p>\n

\u901a\u8fc7Redis\u5185\u7f6e\u547d\u4ee4\u5bf9\u76ee\u6807Key\u8fdb\u884c\u5206\u6790<\/strong><\/p>\n

\u53ef\u80fd\u4f60\u4f1a\u9009\u62e9\u4f7f\u7528debug object\u547d\u4ee4\u5bf9Key\u8fdb\u884c\u5206\u6790\u3002\u8be5\u547d\u4ee4\u80fd\u591f\u6839\u636e\u4f20\u5165\u7684\u5bf9\u8c61\uff08Key\u7684\u540d\u79f0\uff09\u6765\u5bf9Key\u8fdb\u884c\u5206\u6790\u5e76\u8fd4\u56de\u5927\u91cf\u6570\u636e\uff0c\u5176\u4e2dserializedlength\u7684\u503c\u4e3a\u8be5Key\u7684\u5e8f\u5217\u5316\u957f\u5ea6\uff0c\u4f60\u53ef\u80fd\u4f1a\u9009\u62e9\u901a\u8fc7\u8be5\u6570\u636e\u6765\u5224\u65ad\u5bf9\u5e94Key\u662f\u5426\u7b26\u5408\u4f60\u7684\u5927Key\u5224\u5b9a\u6807\u51c6\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cKey\u7684\u5e8f\u5217\u5316\u957f\u5ea6\u5e76\u4e0d\u7b49\u540c\u4e8e\u5b83\u5728\u5185\u5b58\u7a7a\u95f4\u4e2d\u7684\u771f\u5b9e\u957f\u5ea6\uff0c\u6b64\u5916\uff0cdebug object\u5c5e\u4e8e\u8c03\u8bd5\u547d\u4ee4\uff0c\u8fd0\u884c\u4ee3\u4ef7\u8f83\u5927\uff0c\u5e76\u4e14\u5728\u5176\u8fd0\u884c\u65f6\uff0c\u8fdb\u5165Redis\u7684\u5176\u4f59\u8bf7\u6c42\u5c06\u4f1a\u88ab\u963b\u585e\u76f4\u5230\u5176\u6267\u884c\u5b8c\u6bd5\u3002\u800c\u8be5\u547d\u4ee4\u7684\u8fd0\u884c\u7684\u65f6\u95f4\u957f\u77ed\u53d6\u51b3\u4e8e\u4f20\u5165\u5bf9\u8c61\uff08Key\u540d\uff09\u5e8f\u5217\u5316\u957f\u5ea6\u7684\u5927\u5c0f\uff0c\u56e0\u6b64\uff0c\u5728\u7ebf\u4e0a\u73af\u5883\u4e2d\u5e76\u4e0d\u63a8\u8350\u4f7f\u7528\u8be5\u547d\u4ee4\u6765\u5206\u6790\u5927Key\uff0c\u8fd9\u53ef\u80fd\u5f15\u53d1\u6545\u969c\u3002<\/p>\n

Redis\u81ea4.0\u8d77\u63d0\u4f9b\u4e86MEMORY USAGE\u547d\u4ee4\u6765\u5e2e\u52a9\u5206\u6790Key\u7684\u5185\u5b58\u5360\u7528\uff0c\u76f8\u5bf9debug object\u5b83\u7684\u6267\u884c\u4ee3\u4ef7\u66f4\u4f4e\uff0c\u4f46\u7531\u4e8e\u5176\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(N)\u56e0\u6b64\u5728\u5206\u6790\u5927Key\u65f6\u4ecd\u6709\u963b\u585e\u98ce\u9669\u3002<\/p>\n

\u6211\u4eec\u5efa\u8bae\u901a\u8fc7\u98ce\u9669\u66f4\u4f4e\u65b9\u5f0f\u6765\u5bf9Key\u8fdb\u884c\u5206\u6790\uff0cRedis\u5bf9\u4e8e\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u547d\u4ee4\u6765\u8fd4\u56de\u5176\u957f\u5ea6\u6216\u6210\u5458\u6570\u91cf\uff0c\u5982\u4e0b\u8868\uff1a<\/p>\n<\/p>\n

\u901a\u8fc7\u4ee5\u4e0aRedis\u5185\u7f6e\u547d\u4ee4\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u4e14\u5b89\u5168\u7684\u5bf9Key\u8fdb\u884c\u5206\u6790\u800c\u4e0d\u4f1a\u5f71\u54cd\u7ebf\u4e0a\u670d\u52a1\uff0c\u4f46\u7531\u4e8e\u5b83\u4eec\u8fd4\u56de\u7684\u7ed3\u679c\u975eKey\u7684\u771f\u5b9e\u5185\u5b58\u5360\u7528\u6570\u636e\uff0c\u56e0\u6b64\u4e0d\u591f\u7cbe\u786e\uff0c\u4ec5\u53ef\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n

\u901a\u8fc7Redis\u5b98\u65b9\u5ba2\u6237\u7aefredis-cli\u7684bigkeys\u53c2\u6570\u53d1\u73b0\u5927Key<\/strong><\/p>\n

\u5982\u679c\u4f60\u5e76\u65e0\u660e\u786e\u7684\u76ee\u6807Key\u7528\u4e8e\u5206\u6790\uff0c\u800c\u662f\u5e0c\u671b\u901a\u8fc7\u5de5\u5177\u627e\u51fa\u6574\u4e2aRedis\u5b9e\u4f8b\u4e2d\u7684\u5927Key\uff0c\u6b64\u65f6redis-cli\u7684bigkeys\u53c2\u6570\u80fd\u591f\u65b9\u4fbf\u7684\u5e2e\u4f60\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u6807\u3002<\/p>\n

Redis\u63d0\u4f9b\u4e86bigkeys\u53c2\u6570\u80fd\u591f\u4f7fredis-cli\u4ee5\u904d\u5386\u7684\u65b9\u5f0f\u5206\u6790\u6574\u4e2aRedis\u5b9e\u4f8b\u4e2d\u7684\u6240\u6709Key\u5e76\u6c47\u603b\u4ee5\u62a5\u544a\u7684\u65b9\u5f0f\u8fd4\u56de\u7ed3\u679c\u3002\u8be5\u65b9\u6848\u7684\u4f18\u52bf\u5728\u4e8e\u65b9\u4fbf\u53ca\u5b89\u5168\uff0c\u800c\u7f3a\u70b9\u4e5f\u975e\u5e38\u660e\u663e\uff1a\u5206\u6790\u7ed3\u679c\u4e0d\u53ef\u5b9a\u5236\u5316\u3002<\/p>\n

bigkeys\u4ec5\u80fd\u5206\u522b\u8f93\u51faRedis\u516d\u79cd\u6570\u636e\u7ed3\u6784\u4e2d\u7684\u6700\u5927Key\uff0c\u5982\u679c\u4f60\u60f3\u53ea\u5206\u6790STRING\u7c7b\u578b\u6216\u662f\u627e\u51fa\u5168\u90e8\u6210\u5458\u6570\u91cf\u8d85\u8fc710\u7684HASH Key\uff0c\u90a3\u4e48bigkeys\u5728\u6b64\u7c7b\u9700\u6c42\u573a\u666f\u4e0b\u5c06\u65e0\u80fd\u4e3a\u529b\u3002<\/p>\n

GitHub\u4e0a\u6709\u5927\u91cf\u7684\u5f00\u6e90\u9879\u76ee\u80fd\u591f\u5b9e\u73b0bigkeys\u7684\u52a0\u5f3a\u7248\u4f7f\u7ed3\u679c\u80fd\u591f\u6309\u7167\u914d\u7f6e\u5b9a\u5236\u5316\u8f93\u51fa\uff0c\u53e6\u5916\u4f60\u53ef\u4e5f\u4ee5\u52a8\u624b\u4f7f\u7528SCAN + TYPE\u5e76\u914d\u5408\u4e0a\u6587\u8868\u683c\u4e2d\u7684\u547d\u4ee4\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2aRedis\u5b9e\u4f8b\u7ea7\u7684\u5927Key\u5206\u6790\u5de5\u5177\u3002<\/p>\n

\u540c\u6837\uff0c\u8be5\u65b9\u6848\u7684\u5b9e\u73b0\u65b9\u5f0f\u53ca\u8fd4\u56de\u7ed3\u679c\u4f7f\u5176\u4e0d\u5177\u5907\u7cbe\u786e\u6027\u4e0e\u5b9e\u65f6\u6027\uff0c\u5efa\u8bae\u4ec5\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n

\u901a\u8fc7Redis\u5b98\u65b9\u5ba2\u6237\u7aefredis-cli\u7684hotkeys\u53c2\u6570\u53d1\u73b0\u70edKey<\/strong><\/p>\n

Redis\u81ea4.0\u8d77\u63d0\u4f9b\u4e86hotkeys\u53c2\u6570\u6765\u65b9\u4fbf\u7528\u6237\u8fdb\u884c\u5b9e\u4f8b\u7ea7\u7684\u70edKey\u5206\u6790\u529f\uff0c\u8be5\u53c2\u6570\u80fd\u591f\u8fd4\u56de\u6240\u6709Key\u7684\u88ab\u8bbf\u95ee\u6b21\u6570\uff0c\u5b83\u7684\u7f3a\u70b9\u540c\u6837\u4e3a\u4e0d\u53ef\u5b9a\u5236\u5316\u8f93\u51fa\u62a5\u544a\uff0c\u5927\u91cf\u7684\u4fe1\u606f\u4f1a\u4f7f\u4f60\u5728\u5206\u6790\u7ed3\u679c\u65f6\u590d\u6742\u5ea6\u8f83\u5927\uff0c\u53e6\u5916\uff0c\u4f7f\u7528\u8be5\u65b9\u6848\u7684\u524d\u63d0\u6761\u4ef6\u662f\u5c06redis-server\u7684maxmemory-policy\u53c2\u6570\u8bbe\u7f6e\u4e3aLFU\u3002<\/p>\n

\u901a\u8fc7\u4e1a\u52a1\u5c42\u5b9a\u4f4d\u70edKey<\/strong><\/p>\n

\u6307\u5411Redis\u7684\u6bcf\u4e00\u6b21\u8bbf\u95ee\u90fd\u6765\u81ea\u4e1a\u52a1\u5c42\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u4e1a\u52a1\u5c42\u589e\u52a0\u76f8\u5e94\u7684\u4ee3\u7801\u5bf9Redis\u7684\u8bbf\u95ee\u8fdb\u884c\u8bb0\u5f55\u5e76\u5f02\u6b65\u6c47\u603b\u5206\u6790\u3002\u8be5\u65b9\u6848\u7684\u4f18\u52bf\u4e3a\u80fd\u591f\u51c6\u786e\u5e76\u53ca\u65f6\u7684\u5206\u6790\u51fa\u70edKey\u7684\u5b58\u5728\uff0c\u7f3a\u70b9\u4e3a\u4e1a\u52a1\u4ee3\u7801\u590d\u6742\u5ea6\u7684\u589e\u52a0\uff0c\u540c\u65f6\u53ef\u80fd\u4f1a\u964d\u4f4e\u4e00\u4e9b\u6027\u80fd\u3002<\/p>\n

\u4f7f\u7528monitor\u547d\u4ee4\u5728\u7d27\u6025\u60c5\u51b5\u65f6\u627e\u51fa\u70edKey<\/strong><\/p>\n

Redis\u7684monitor\u547d\u4ee4\u80fd\u591f\u5fe0\u5b9e\u7684\u6253\u5370Redis\u4e2d\u7684\u6240\u6709\u8bf7\u6c42\uff0c\u5305\u62ec\u65f6\u95f4\u4fe1\u606f\u3001Client\u4fe1\u606f\u3001\u547d\u4ee4\u4ee5\u53caKey\u4fe1\u606f\u3002\u5728\u53d1\u751f\u7d27\u6025\u60c5\u51b5\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u77ed\u6682\u6267\u884cmonitor\u547d\u4ee4\u5e76\u5c06\u8f93\u51fa\u91cd\u5b9a\u5411\u81f3\u6587\u4ef6\uff0c\u5728\u5173\u95edmonitor\u547d\u4ee4\u540e\u901a\u8fc7\u5bf9\u6587\u4ef6\u4e2d\u8bf7\u6c42\u8fdb\u884c\u5f52\u7c7b\u5206\u6790\u5373\u53ef\u627e\u51fa\u8fd9\u6bb5\u65f6\u95f4\u4e2d\u7684\u70edKey\u3002<\/p>\n

\u7531\u4e8emonitor\u547d\u4ee4\u5bf9Redis\u7684CPU\u3001\u5185\u5b58\u3001\u7f51\u7edc\u8d44\u6e90\u5747\u6709\u4e00\u5b9a\u7684\u5360\u7528\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5df2\u5904\u4e8e\u9ad8\u538b\u72b6\u6001\u7684Redis\uff0cmonitor\u53ef\u80fd\u4f1a\u8d77\u5230\u96ea\u4e0a\u52a0\u971c\u7684\u4f5c\u7528\u3002\u540c\u65f6\uff0c\u8fd9\u79cd\u5f02\u6b65\u6536\u96c6\u5e76\u5206\u6790\u7684\u65b9\u6848\u7684\u65f6\u6548\u6027\u8f83\u5dee\uff0c\u5e76\u4e14\u7531\u4e8e\u5206\u6790\u7684\u7cbe\u786e\u5ea6\u53d6\u51b3\u4e8emonitor\u7684\u6267\u884c\u65f6\u95f4\uff0c\u56e0\u6b64\u5728\u591a\u6570\u65e0\u6cd5\u957f\u65f6\u95f4\u6267\u884c\u8be5\u547d\u4ee4\u7684\u7ebf\u4e0a\u573a\u666f\u4e2d\u672c\u65b9\u6848\u7684\u7cbe\u786e\u5ea6\u4e5f\u4e0d\u591f\u597d\u3002<\/p>\n

2 \u4f7f\u7528\u5f00\u6e90\u5de5\u5177\u53d1\u73b0\u5927Key<\/strong><\/p>\n

Redis\u7684\u9ad8\u5ea6\u6d41\u884c\u4f7f\u6211\u4eec\u80fd\u591f\u65b9\u4fbf\u7684\u627e\u5230\u5927\u91cf\u5f00\u6e90\u65b9\u6848\u6765\u89e3\u51b3\u6211\u4eec\u5f53\u524d\u9047\u5230\u7684\u96be\u9898\uff1a\u5728\u4e0d\u5f71\u54cd\u7ebf\u4e0a\u670d\u52a1\u7684\u540c\u65f6\u5f97\u5230\u7cbe\u786e\u7684\u5206\u6790\u62a5\u544a\u3002<\/p>\n

\u4f7f\u7528redis-rdb-tools\u5de5\u5177\u4ee5\u5b9a\u5236\u5316\u65b9\u5f0f\u627e\u51fa\u5927Key<\/strong><\/p>\n

\u5982\u679c\u4f60\u5e0c\u671b\u6309\u7167\u81ea\u5df1\u7684\u6807\u51c6\u7cbe\u786e\u7684\u5206\u6790\u4e00\u4e2aRedis\u5b9e\u4f8b\u4e2d\u6240\u6709Key\u7684\u771f\u5b9e\u5185\u5b58\u5360\u7528\u5e76\u907f\u514d\u5f71\u54cd\u7ebf\u4e0a\u670d\u52a1\uff0c\u5728\u5206\u6790\u7ed3\u675f\u540e\u5f97\u5230\u4e00\u4efd\u7b80\u6d01\u6613\u61c2\u7684\u62a5\u544a\uff0credis-rdb-tools\u662f\u975e\u5e38\u597d\u7684\u9009\u62e9\u3002<\/p>\n

\u8be5\u5de5\u5177\u80fd\u591f\u5bf9Redis\u7684RDB\u6587\u4ef6\u8fdb\u884c\u5b9a\u5236\u5316\u7684\u5206\u6790\uff0c\u4f46\u7531\u4e8e\u5206\u6790RDB\u6587\u4ef6\u4e3a\u79bb\u7ebf\u5de5\u4f5c\uff0c\u56e0\u6b64\u5bf9\u7ebf\u4e0a\u670d\u52a1\u4e0d\u4f1a\u6709\u4efb\u4f55\u5f71\u54cd\uff0c\u8fd9\u662f\u5b83\u7684\u6700\u5927\u4f18\u70b9\u4f46\u540c\u65f6\u4e5f\u662f\u5b83\u7684\u6700\u5927\u7f3a\u70b9\uff1a\u79bb\u7ebf\u5206\u6790\u4ee3\u8868\u7740\u5206\u6790\u7ed3\u679c\u7684\u8f83\u5dee\u65f6\u6548\u6027\u3002\u5bf9\u4e8e\u4e00\u4e2a\u8f83\u5927\u7684RDB\u6587\u4ef6\uff0c\u5b83\u7684\u5206\u6790\u53ef\u80fd\u4f1a\u6301\u7eed\u5f88\u4e45\u5f88\u4e45\u3002<\/p>\n

3 \u4f9d\u9760\u516c\u6709\u4e91\u7684Redis\u5206\u6790\u670d\u52a1\u53d1\u73b0\u5927Key\u53ca\u70edKey<\/strong><\/p>\n

\u5982\u679c\u4f60\u671f\u671b\u80fd\u591f\u5b9e\u65f6\u7684\u5bf9Redis\u5b9e\u4f8b\u4e2d\u7684\u6240\u6709Key\u8fdb\u884c\u5206\u6790\u5e76\u53d1\u73b0\u5f53\u524d\u5b58\u5728\u7684\u5927Key\u53ca\u70edKey\u3001\u4e86\u89e3Redis\u5728\u8fd0\u884c\u65f6\u95f4\u7ebf\u4e2d\u66fe\u51fa\u73b0\u8fc7\u54ea\u4e9b\u5927Key\u70edKey\uff0c\u4f7f\u81ea\u5df1\u5bf9\u6574\u4e2aRedis\u5b9e\u4f8b\u7684\u8fd0\u884c\u72b6\u6001\u6709\u4e00\u4e2a\u5168\u9762\u800c\u53c8\u51c6\u786e\u7684\u5224\u65ad\uff0c\u90a3\u4e48\u516c\u6709\u4e91\u7684Redis\u63a7\u5236\u53f0\u5c06\u80fd\u6ee1\u8db3\u8fd9\u4e2a\u9700\u6c42\u3002<\/p>\n

\u963f\u91cc\u4e91Redis\u63a7\u5236\u53f0\u4e2d\u7684CloudDBA<\/strong><\/p>\n

CloudDBA\u662f\u963f\u91cc\u4e91\u7684\u6570\u636e\u5e93\u667a\u80fd\u670d\u52a1\u7cfb\u7edf\uff0c\u5b83\u652f\u6301Redis\u5927Key\u4e0e\u70edKey\u7684\u5b9e\u65f6\u5206\u6790\u3001\u53d1\u73b0\u3002<\/p>\n

\u5927Key\u53ca\u70edKey\u5206\u6790\u5e95\u5c42\u4e3a\u963f\u91cc\u4e91Redis\u5185\u6838\u7684Key\u5206\u6790\u529f\u80fd\uff0c\u8be5\u529f\u80fd\u901a\u8fc7Redis\u5185\u6838\u76f4\u63a5\u53d1\u73b0\u5e76\u8f93\u51fa\u5927Key\u70edKey\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u56e0\u6b64\uff0c\u8be5\u529f\u80fd\u7684\u5206\u6790\u7ed3\u679c\u51c6\u786e\u6027\u9ad8\u6548\u4e14\u5bf9\u6027\u80fd\u51e0\u4e4e\u65e0\u4efb\u4f55\u5f71\u54cd\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fbCloudDBA\u4e2d\u7684\u201cKey\u5206\u6790\u201d\u8fdb\u5165\u8be5\u529f\u80fd\uff0c\u5982\u4e0b\u56fe1-1\uff1a<\/p>\n<\/p>\n

\u56fe1-1\uff1a\u963f\u91cc\u4e91Redis\u63a7\u5236\u53f0CloudDBA<\/p>\n

Key\u5206\u6790\u529f\u80fd\u5171\u6709\u4e24\u4e2a\u9875\u9762\uff0c\u5b83\u4eec\u5141\u8bb8\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u7ef4\u5ea6\u5bf9\u5bf9\u5e94Redis\u5b9e\u4f8b\u4e2d\u7684Key\u8fdb\u884c\u5206\u6790\uff1a<\/p>\n

\u5b9e\u65f6\uff1a\u5bf9\u5f53\u524d\u5b9e\u4f8b\u7acb\u5373\u5f00\u59cb\u5206\u6790\u5f53\u524d\u5b9e\u4f8b\uff0c\u5c55\u793a\u5f53\u524d\u5b58\u5728\u7684\u6240\u6709\u5927Key\u53ca\u70edKey\u3002
\u5386\u53f2\uff1a\u5c55\u793a\u8be5\u5b9e\u4f8b\u8fd1\u671f\u66fe\u51fa\u73b0\u8fc7\u7684\u5927Key\u53ca\u70edKey\uff0c\u5728\u5386\u53f2\u9875\u9762\u4e2d\uff0c\u6240\u6709\u51fa\u73b0\u8fc7\u7684\u5927Key\u53ca\u70edKey\u90fd\u4f1a\u88ab\u8bb0\u5f55\uff0c\u54ea\u6015\u8fd9\u4e9bKey\u5f53\u524d\u5df2\u7ecf\u4e0d\u5b58\u5728\u3002\u8be5\u529f\u80fd\u80fd\u591f\u5f88\u597d\u7684\u53cd\u6620Redis\u7684\u5386\u53f2Key\u72b6\u6001\uff0c\u5e2e\u52a9\u8ffd\u6eaf\u8fc7\u53bb\u6216\u73b0\u573a\u5df2\u906d\u7834\u574f\u7684\u95ee\u9898\u3002<\/p>\n

\u516d \u5927Key\u4e0e\u70edKey\u7684\u5904\u7406<\/strong><\/p>\n

\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u901a\u8fc7\u591a\u79cd\u624b\u6bb5\u627e\u5230\u4e86Redis\u4e2d\u7684\u95ee\u9898Key\uff0c\u90a3\u4e48\u6211\u4eec\u5e94\u5f53\u7acb\u5373\u7740\u624b\u5bf9\u4ed6\u4eec\u8fdb\u884c\u5904\u7406\uff0c\u907f\u514d\u5b83\u4eec\u5728\u4e4b\u540e\u7684\u65f6\u95f4\u4e2d\u5f15\u53d1\u95ee\u9898\u3002<\/p>\n

1 \u5927Key\u7684\u5e38\u89c1\u5904\u7406\u529e\u6cd5<\/strong><\/p>\n

\u5bf9\u5927Key\u8fdb\u884c\u62c6\u5206<\/strong><\/p>\n

\u5982\u5c06\u4e00\u4e2a\u542b\u6709\u6570\u4e07\u6210\u5458\u7684HASH Key\u62c6\u5206\u4e3a\u591a\u4e2aHASH Key\uff0c\u5e76\u786e\u4fdd\u6bcf\u4e2aKey\u7684\u6210\u5458\u6570\u91cf\u5728\u5408\u7406\u8303\u56f4\uff0c\u5728Redis Cluster\u7ed3\u6784\u4e2d\uff0c\u5927Key\u7684\u62c6\u5206\u5bf9node\u95f4\u7684\u5185\u5b58\u5e73\u8861\u80fd\u591f\u8d77\u5230\u663e\u8457\u4f5c\u7528\u3002<\/p>\n

\u5bf9\u5927Key\u8fdb\u884c\u6e05\u7406<\/p>\n

\u5c06\u4e0d\u9002\u5408Redis\u80fd\u529b\u7684\u6570\u636e\u5b58\u653e\u81f3\u5176\u5b83\u5b58\u50a8\uff0c\u5e76\u5728Redis\u4e2d\u5220\u9664\u6b64\u7c7b\u6570\u636e\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6211\u4eec\u5df2\u5728\u4e0a\u6587\u63d0\u5230\u4e00\u4e2a\u8fc7\u5927\u7684Key\u53ef\u80fd\u5f15\u53d1Redis\u96c6\u7fa4\u540c\u6b65\u7684\u4e2d\u65ad\uff0cRedis\u81ea4.0\u8d77\u63d0\u4f9b\u4e86UNLINK\u547d\u4ee4\uff0c\u8be5\u547d\u4ee4\u80fd\u591f\u4ee5\u975e\u963b\u585e\u7684\u65b9\u5f0f\u7f13\u6162\u9010\u6b65\u7684\u6e05\u7406\u4f20\u5165\u7684Key\uff0c\u901a\u8fc7UNLINK\uff0c\u4f60\u53ef\u4ee5\u5b89\u5168\u7684\u5220\u9664\u5927Key\u751a\u81f3\u7279\u5927Key\u3002<\/p>\n

\u65f6\u523b\u76d1\u63a7Redis\u7684\u5185\u5b58\u6c34\u4f4d<\/strong><\/p>\n

\u7a81\u7136\u51fa\u73b0\u7684\u5927Key\u95ee\u9898\u4f1a\u8ba9\u6211\u4eec\u63aa\u624b\u4e0d\u53ca\uff0c\u56e0\u6b64\uff0c\u5728\u5927Key\u4ea7\u751f\u95ee\u9898\u524d\u53d1\u73b0\u5b83\u5e76\u8fdb\u884c\u5904\u7406\u662f\u4fdd\u6301\u670d\u52a1\u7a33\u5b9a\u7684\u91cd\u8981\u624b\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u5e76\u8bbe\u7f6e\u5408\u7406\u7684Redis\u5185\u5b58\u62a5\u8b66\u9608\u503c\u6765\u63d0\u9192\u6211\u4eec\u6b64\u65f6\u53ef\u80fd\u6709\u5927Key\u6b63\u5728\u4ea7\u751f\uff0c\u5982\uff1aRedis\u5185\u5b58\u4f7f\u7528\u7387\u8d85\u8fc770%\uff0cRedis\u5185\u5b581\u5c0f\u65f6\u5185\u589e\u957f\u7387\u8d85\u8fc720%\u7b49\u3002<\/p>\n

\u901a\u8fc7\u6b64\u7c7b\u76d1\u63a7\u624b\u6bb5\u6211\u4eec\u53ef\u4ee5\u5728\u95ee\u9898\u53d1\u751f\u524d\u89e3\u51b3\u95ee\u9898\uff0c\u5982\uff1aLIST\u7684\u6d88\u8d39\u7a0b\u5e8f\u6545\u969c\u9020\u6210\u5bf9\u5e94Key\u7684\u5217\u8868\u6570\u91cf\u6301\u7eed\u589e\u957f\uff0c\u5c06\u544a\u8b66\u8f6c\u53d8\u4e3a\u9884\u8b66\u4ece\u800c\u907f\u514d\u6545\u969c\u7684\u53d1\u751f\u3002<\/p>\n

\u5bf9\u5931\u6548\u6570\u636e\u8fdb\u884c\u5b9a\u671f\u6e05\u7406<\/strong><\/p>\n

\u4f8b\u5982\u6211\u4eec\u4f1a\u5728HASH\u7ed3\u6784\u4e2d\u4ee5\u589e\u91cf\u7684\u5f62\u5f0f\u4e0d\u65ad\u5199\u5165\u5927\u91cf\u6570\u636e\u800c\u5ffd\u7565\u4e86\u8fd9\u4e9b\u6570\u636e\u7684\u65f6\u6548\u6027\uff0c\u8fd9\u4e9b\u5927\u91cf\u5806\u79ef\u7684\u5931\u6548\u6570\u636e\u4f1a\u9020\u6210\u5927Key\u7684\u4ea7\u751f\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u65f6\u4efb\u52a1\u7684\u65b9\u5f0f\u5bf9\u5931\u6548\u6570\u636e\u8fdb\u884c\u6e05\u7406\u3002\u5728\u6b64\u7c7b\u573a\u666f\u4e2d\uff0c\u5efa\u8bae\u4f7f\u7528HSCAN\u5e76\u914d\u5408HDEL\u5bf9\u5931\u6548\u6570\u636e\u8fdb\u884c\u6e05\u7406\uff0c\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u5728\u4e0d\u963b\u585e\u7684\u524d\u63d0\u4e0b\u6e05\u7406\u65e0\u6548\u6570\u636e\u3002<\/p>\n

\u4f7f\u7528\u963f\u91cc\u4e91\u7684Tair(Redis\u4f01\u4e1a\u7248)\u670d\u52a1\u907f\u5f00\u5931\u6548\u6570\u636e\u7684\u6e05\u7406\u5de5\u4f5c<\/strong><\/p>\n

\u5982\u679c\u4f60\u7684HASH Key\u8fc7\u591a\uff0c\u540c\u65f6\u5b58\u5728\u5927\u91cf\u7684\u6210\u5458\u5931\u6548\u9700\u8981\u88ab\u6e05\u7406\u7684\u95ee\u9898\u3002\u7531\u4e8e\u5927\u91cfKey\u4e0e\u5927\u91cf\u5931\u6548\u6570\u636e\u7684\u53e0\u52a0\uff0c\u5728\u6b64\u7c7b\u573a\u666f\u4e2d\u5b9a\u65f6\u4efb\u52a1\u5df2\u65e0\u6cd5\u505a\u5230\u5bf9\u65e0\u6548\u6570\u636e\u8fdb\u884c\u53ca\u65f6\u7684\u6e05\u7406\uff0c\u963f\u91cc\u4e91\u7684Tair\u670d\u52a1\u80fd\u591f\u5f88\u597d\u7684\u89e3\u51b3\u6b64\u7c7b\u95ee\u9898\u3002<\/p>\n

Tair\u662f\u963f\u91cc\u4e91\u7684Redis\u4f01\u4e1a\u7248\uff0c\u5b83\u5728\u5177\u5907Redis\u6240\u6709\u7279\u6027\uff08\u5305\u62ecRedis\u7684\u9ad8\u6027\u80fd\u7279\u70b9\uff09\u7684\u540c\u65f6\u63d0\u4f9b\u4e86\u5927\u91cf\u989d\u5916\u7684\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n

TairHash\u662f\u4e00\u79cd\u53ef\u4e3afield\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u548c\u7248\u672c\u7684hash\u7c7b\u578b\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4e0d\u4f46\u548cRedis Hash\u4e00\u6837\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u63a5\u53e3\u548c\u9ad8\u5904\u7406\u6027\u80fd\uff0c\u8fd8\u6539\u53d8\u4e86hash\u53ea\u80fd\u4e3akey\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u7684\u9650\u5236\uff1aTairHash\u5141\u8bb8\u4e3afield\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u548c\u7248\u672c\u3002\u8fd9\u6781\u5927\u5730\u63d0\u9ad8\u4e86hash\u6570\u636e\u7ed3\u6784\u7684\u7075\u6d3b\u6027\uff0c\u7b80\u5316\u4e86\u5f88\u591a\u573a\u666f\u4e0b\u7684\u4e1a\u52a1\u5f00\u53d1\u5de5\u4f5c\u3002<\/p>\n

TairHash\u4f7f\u7528\u9ad8\u6548\u7684Active Expire\u7b97\u6cd5\uff0c\u5b9e\u73b0\u4e86\u5728\u5bf9\u54cd\u5e94\u65f6\u95f4\u51e0\u4e4e\u65e0\u5f71\u54cd\u7684\u524d\u63d0\u4e0b\uff0c\u9ad8\u6548\u5b8c\u6210\u5bf9field\u8fc7\u671f\u5224\u65ad\u548c\u5220\u9664\u7684\u529f\u80fd\u3002\u6b64\u7c7b\u9ad8\u7ea7\u529f\u80fd\u7684\u5408\u7406\u4f7f\u7528\u80fd\u591f\u89e3\u653e\u5927\u91cfRedis\u7684\u8fd0\u7ef4\u3001\u6545\u969c\u5904\u7406\u5de5\u4f5c\u5e76\u964d\u4f4e\u4e1a\u52a1\u7684\u4ee3\u7801\u590d\u6742\u5ea6\uff0c\u8ba9\u8fd0\u7ef4\u5c06\u7cbe\u529b\u6295\u5165\u5230\u5176\u5b83\u66f4\u6709\u4ef7\u503c\u7684\u5de5\u4f5c\u4e2d\uff0c\u8ba9\u7814\u53d1\u6709\u66f4\u591a\u7684\u65f6\u95f4\u6765\u5199\u66f4\u6709\u4ef7\u503c\u7684\u4ee3\u7801\u3002<\/p>\n

2 \u70edKey\u7684\u5e38\u89c1\u5904\u7406\u529e\u6cd5<\/strong><\/p>\n

\u5728Redis Cluster\u7ed3\u6784\u4e2d\u5bf9\u70edKey\u8fdb\u884c\u590d\u5236<\/strong><\/p>\n

\u5728Redis Cluster\u4e2d\uff0c\u70edKey\u7531\u4e8e\u8fc1\u79fb\u7c92\u5ea6\u95ee\u9898\u9020\u6210\u8bf7\u6c42\u65e0\u6cd5\u6253\u6563\u4f7f\u5355\u4e00node\u7684\u538b\u529b\u65e0\u6cd5\u4e0b\u964d\u3002\u6b64\u65f6\u53ef\u4ee5\u5c06\u5bf9\u5e94\u70edKey\u8fdb\u884c\u590d\u5236\u5e76\u8fc1\u79fb\u81f3\u5176\u4ed6node\uff0c\u4f8b\u5982\u4e3a\u70edKey foo\u590d\u5236\u51fa3\u4e2a\u5185\u5bb9\u5b8c\u5168\u4e00\u6837\u7684Key\u5e76\u540d\u4e3afoo2\uff0cfoo3\uff0cfoo4\uff0c\u7136\u540e\u5c06\u8fd9\u4e09\u4e2aKey\u8fc1\u79fb\u5230\u5176\u4ed6node\u6765\u89e3\u51b3\u5355\u4e00node\u7684\u70edKey\u538b\u529b\u3002<\/p>\n

\u8be5\u65b9\u6848\u7684\u7f3a\u70b9\u5728\u4e8e\u4ee3\u7801\u9700\u8981\u8054\u52a8\u4fee\u6539\uff0c\u540c\u65f6\uff0cKey\u4e00\u53d8\u591a\u5e26\u6765\u4e86\u6570\u636e\u4e00\u81f4\u6027\u6311\u6218\uff1a\u7531\u66f4\u65b0\u4e00\u4e2aKey\u6f14\u53d8\u4e3a\u9700\u8981\u540c\u65f6\u66f4\u65b0\u591a\u4e2aKey\uff0c\u5728\u5f88\u591a\u65f6\u5019\uff0c\u8be5\u65b9\u6848\u4ec5\u5efa\u8bae\u7528\u6765\u4e34\u65f6\u89e3\u51b3\u5f53\u524d\u7684\u68d8\u624b\u95ee\u9898\u3002<\/p>\n

\u4f7f\u7528\u8bfb\u5199\u5206\u79bb\u67b6\u6784<\/strong><\/p>\n

\u5982\u679c\u70edKey\u7684\u4ea7\u751f\u6765\u81ea\u4e8e\u8bfb\u8bf7\u6c42\uff0c\u90a3\u4e48\u8bfb\u5199\u5206\u79bb\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728\u4f7f\u7528\u8bfb\u5199\u5206\u79bb\u67b6\u6784\u65f6\u53ef\u4ee5\u901a\u8fc7\u4e0d\u65ad\u7684\u589e\u52a0\u4ece\u8282\u70b9\u6765\u964d\u4f4e\u6bcf\u4e2aRedis\u5b9e\u4f8b\u4e2d\u7684\u8bfb\u8bf7\u6c42\u538b\u529b\u3002<\/p>\n

\u7136\u800c\uff0c\u8bfb\u5199\u5206\u79bb\u67b6\u6784\u5728\u4e1a\u52a1\u4ee3\u7801\u590d\u6742\u5ea6\u589e\u52a0\u7684\u540c\u65f6\uff0c\u540c\u6837\u5e26\u6765\u4e86Redis\u96c6\u7fa4\u67b6\u6784\u590d\u6742\u5ea6\u7684\u589e\u52a0\uff1a\u6211\u4eec\u4e0d\u4ec5\u8981\u4e3a\u591a\u4e2a\u4ece\u8282\u70b9\u63d0\u4f9b\u8f6c\u53d1\u5c42\uff08\u5982Proxy\uff0cLVS\u7b49\uff09\u6765\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u8fd8\u8981\u8003\u8651\u4ece\u8282\u70b9\u6570\u91cf\u663e\u8457\u589e\u52a0\u540e\u5e26\u6765\u7684\u6545\u969c\u7387\u589e\u52a0\u7684\u95ee\u9898\uff0cRedis\u96c6\u7fa4\u67b6\u6784\u53d8\u66f4\u7684\u540c\u65f6\u4e3a\u76d1\u63a7\u3001\u8fd0\u7ef4\u3001\u6545\u969c\u5904\u7406\u5e26\u6765\u4e86\u66f4\u5927\u7684\u6311\u6218\u3002<\/p>\n

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