{"id":10006455,"date":"2022-09-12T18:08:07","date_gmt":"2022-09-12T10:08:07","guid":{"rendered":"https:\/\/ityet.com\/?p=10006455"},"modified":"2022-09-12T18:08:07","modified_gmt":"2022-09-12T10:08:07","slug":"%e8%81%8a%e8%81%8aredis%e7%9a%84%e6%95%b0%e6%8d%ae%e7%83%ad%e7%82%b9%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006455","title":{"rendered":"\u804a\u804aRedis\u7684\u6570\u636e\u70ed\u70b9\u95ee\u9898"},"content":{"rendered":"<p>&emsp;&emsp;\u524d\u4e24\u5929\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u67d0\u4e91\u5382\u5546\u670d\u52a1\u6302\u4e86\uff0c\u800c\u4e14\u4e00\u6302\u5c31\u662f\u6302\u5927\u534a\u5929\uff0c\u6211\u4eec\u7684\u670d\u52a1\u5f3a\u4f9d\u8d56\u4e8e\u4ed6\u4eec\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u8ddf\u7740\u4e00\u8d77\u6302\u3002\u7136\u800c\u6211\u4eec\u5374\u65e0\u80fd\u4e3a\u529b\uff0c\u53ea\u80fd\u7b49\u4ed6\u4eec\u6062\u590d\u3002\u4e8b\u6545\u539f\u56e0\u4e2d\u542c\u4ed6\u4eec\u63d0\u5230Redis\u6709\u4e2a\u70edkey\uff0c\u6b63\u597d\u6211\u5728\u4e0a\u5bb6\u516c\u53f8\u8d1f\u8d23\u8fc7\u90e8\u95e8Redis\u96c6\u7fa4\uff0c\u4e5f\u5904\u7406\u8fc7\u5f88\u591a\u8d77Redis\u6570\u636e\u70ed\u70b9\u7684\u95ee\u9898\uff0c\u63a5\u4e0b\u6765\u5c31\u4e00\u8d77\u804a\u804a\u4ec0\u4e48\u662fRedis\u70ed\u70b9\uff1fRedis\u70ed\u70b9\u95ee\u9898\u4e3a\u4ec0\u4e48\u4f1a\u6781\u5927\u5730\u5f71\u54cd\u6574\u4e2a\u96c6\u7fa4\u7684\u6027\u80fd\uff1f\u5982\u4f55\u907f\u514dRedis\u6570\u636e\u70ed\u70b9\uff1f\u70ed\u70b9\u95ee\u9898\u5982\u4f55\u6392\u67e5\uff1f\u70ed\u70b9\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f<\/p>\n<h2>\u4ec0\u4e48\u662fRedis\u70ed\u70b9\uff1f<\/h2>\n<p>&emsp;&emsp;\u6211\u66fe\u5728\u6211\u8fc7\u5f80\u7684\u535a\u6587\u4e2d\u591a\u6b21\u63d0\u5230\u4e86<strong>\u5c40\u90e8\u6027<\/strong>\u4e00\u8bcd\uff08\u5173\u4e8e\u5c40\u90e8\u6027\u53ef\u4ee5\u770b\u4e0b\u6211\u4e4b\u524d\u7684\u535a\u6587 <a href=\"https:\/\/link.segmentfault.com\/?enc=h8YUqfI%2BR132FmUbU6Pzhg%3D%3D.M93K0eIg%2BpcnVO2fnftd7nud4063200zY7Hp3Us8%2FbQ%2BUJeJvAEzp1cQRJPFFGQ%2BBO0ezSY8DGEqzgKtqitH7w%3D%3D\" rel=\"nofollow\">\u5c40\u90e8\u6027\u539f\u7406<\/a>\uff09\uff0c\u6570\u636e\u70ed\u70b9\u5c31\u662f\u6570\u636e\u8bbf\u95ee\u5c40\u90e8\u6027\u7684\u4f53\u73b0\uff0c\u5177\u4f53\u8868\u73b0\u5c31\u662fRedis\u4e2d\u67d0\u4e2aKey\u7684\u8bbf\u95ee\u9891\u6b21\u8fdc\u5927\u4e8e\u5176\u4ed6\u5269\u4f59\u7684Key\uff0c\u6211\u4eec\u4e5f\u6709\u4e00\u53e5\u4fd7\u8bed\u6765\u5f62\u5bb9\u8fd9\u79cd\u73b0\u8c61<strong>\u65f1\u7684\u65f1\u6b7b\uff0c\u6d9d\u7684\u6d9d\u6b7b<\/strong>\u3002   <br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042459109\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>&emsp;&emsp;\u4e3a\u4ec0\u4e48Redis\u4f1a\u6709\u70ed\u70b9\u95ee\u9898\uff1f\u8fd9\u5c31\u5f97\u4eceRedis\u7684\u539f\u7406\u8bf4\u8d77\u4e86\u3002\u4f17\u6240\u5468\u77e5\uff0cRedis\u4e2d\u5b58\u50a8\u7684\u662fK-V\u6570\u636e\uff0c\u5728\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0cRedis\u4f1a\u5c06\u6240\u6709\u6570\u636e\u6309Key\u7684CRC64\u503c\u5206\u914d\u5230<strong>16384<\/strong>\u4e2a\u6570\u636e\u69fd(slot)\u4e2d\uff0c\u5e76\u5c06\u8fd916384\u4e2a\u6570\u636e\u69fd\u5206\u914d\u5230\u96c6\u7fa4\u4e2d\u5404\u4e2a\u673a\u5668\u4e0a\uff0c\u5c3d\u53ef\u80fd\u5b9e\u73b0\u6570\u636e\u5728\u5404\u4e2a\u673a\u5668\u4e0a\u7684\u5747\u5300\u5b58\u50a8\u3002\u4f46\u5747\u5300\u5b58\u50a8\u5e76\u4e0d\u610f\u5473\u7740\u5747\u5300\u8bbf\u95ee\uff0c\u6709\u65f6\u5019\u67d0\u4e2aKey\u7684\u8bf7\u6c42\u4f1a\u5360\u5230\u603b\u8bf7\u6c42\u7684\u5f88\u5927\u4e00\u90e8\u5206\uff0c\u8fd9\u5c31\u4f1a\u5bfc\u81f4\u8bf7\u6c42\u96c6\u4e2d\u5728\u67d0\u4e2aRedis\u5b9e\u4f8b\u4e0a\uff0c\u5c06\u8be5Redis\u5b9e\u4f8b\u7684\u627f\u8f7d\u80fd\u529b\u8017\u5c3d\uff0c\u6240\u6709\u5b58\u50a8\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e0a\u7684\u5176\u4ed6\u6570\u636e\u4e5f\u5c31\u65e0\u6cd5\u6b63\u5e38\u8bbf\u95ee\u4e86\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u6240\u6709\u4f9d\u8d56\u4e8e\u8fd9\u4e9b\u6570\u636e\u7684\u670d\u52a1\u90fd\u4f1a\u51fa\u95ee\u9898\u3002  <\/p>\n<p>&emsp;&emsp;\u8fd9\u91cc\u7684\u51fa\u95ee\u9898\u5e76\u4e0d\u662f\u8bf4Redis\u4f1a\u76f4\u63a5\u5b95\u673a\uff0c\u4f17\u6240\u5468\u77e5Redis\u7684\u6838\u5fc3\u6d41\u7a0b\u662f\u5355\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u8fd9\u5c31\u610f\u5473\u7740Redis\u662f\u4e32\u884c\u5904\u7406\u6240\u6709\u8bf7\u6c42\u7684\uff0c\u5f53\u8bf7\u6c42\u8fc7\u591a\u65f6\uff0c\u8bf7\u6c42\u5c31\u4f1a\u62e5\u5835\u8d77\u6765\uff0c\u4ece\u5e94\u7528\u5c42\u7684\u89c6\u89d2\u6765\u770b\uff0c\u5c31\u662f\u8bf7\u6c42Redis\u7684\u8017\u65f6\u4f1a\u7279\u522b\u7279\u522b\u9ad8\u3002\u56e0\u4e3a\u5e94\u7528\u5c42\u4f7f\u7528Redis\u90fd\u662f\u4f5c\u4e3a\u7f13\u5b58\uff0c\u90fd\u662f\u540c\u6b65\u8bf7\u6c42\uff0c\u6240\u4ee5\u4f1a\u95f4\u63a5\u5bfc\u81f4\u5e94\u7528\u5c42\u7684\u8bf7\u6c42\u5904\u7406\u4e5f\u4f1a\u7279\u522b\u8017\u65f6\uff0c\u4ece\u800c\u5bfc\u81f4\u5e94\u7528\u5c42\u8bf7\u6c42\u4e5f\u9010\u6e10\u62e5\u5835\uff0c\u6700\u7ec8\u6574\u4f53\u4e0d\u53ef\u7528\u3002<\/p>\n<p>&emsp;&emsp;\u6211\u4eec\u6765\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u76f8\u4fe1\u5927\u5bb6\u90fd\u5728\u5fae\u535a\u4e0a\u5403\u8fc7\u74dc\uff0c\u5f53\u6709\u5927\u74dc\u51fa\u73b0\u65f6\uff0c\u5fae\u535a\u4e0a\u4f1a\u8fc5\u901f\u6d8c\u5165\u4e00\u6279\u7528\u6237\u68c0\u7d22\u76f8\u5173\u4fe1\u606f\uff0c\u75af\u72c2\u8bbf\u95ee\u540c\u4e00\u4efd\u5fae\u535a\uff08\u6570\u636e\uff09\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u8fd9\u4efd\u6570\u636e\u5c31\u662f\u70ed\u70b9\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u592a\u201c\u70ed\u201d\u6700\u7ec8\u4f1a\u5bfc\u81f4\u5fae\u535a\u6302\u6389\uff0c\u5b9e\u9645\u4e0a\u5fae\u535a\u6302\u6389\u7684\u60c5\u51b5\u5df2\u7ecf\u51fa\u73b0\u5f88\u591a\u6b21\u4e86\uff0c\u4e0d\u662f\u56e0\u4e3a\u5fae\u535a\u6280\u672f\u4e0d\u884c\uff0c\u800c\u662f\u56e0\u4e3a\u70ed\u70b9\u95ee\u9898\u592a\u53ef\u6015\u3002<\/p>\n<h2>Redis\u70ed\u70b9\u662f\u5982\u4f55\u62d6\u57ae\u5176\u4ed6\u670d\u52a1\u7684\uff1f<\/h2>\n<p>&emsp;&emsp;Redis\u7684\u70ed\u70b9\u5e76\u4e0d\u4ec5\u4ec5\u4f1a\u5bfc\u81f4\u5355\u4e2a\u670d\u52a1\u5f02\u5e38\uff0c\u800c\u662f\u4f1a\u5bfc\u81f4\u6240\u6709\u4f9d\u8d56\u4e8e\u6b64Redis\u96c6\u7fa4\u7684\u6240\u6709\u670d\u52a1\u5f02\u5e38\u3002\u4e0a\u56fe\u4e2dServer2\u3001Server\u3001Server3\u9891\u7e41\u8bbf\u95eeXXX_KEY\uff0c\u5bfc\u81f4RedisServer2\u5b9e\u4f8b\u4e0d\u53ef\u7528\uff0c\u56e0\u4e3aServer4\u4f9d\u8d56\u4e8eRedisServer2\u4e0a\u7684Key7\uff0c\u5373\u4fbf\u662fRedisServer1 3 4 5 \u90fd\u6b63\u5e38\u670d\u52a1\uff0cServer4\u4e5f\u65e0\u6cd5\u5bf9\u5916\u63d0\u4f9b\u6b63\u5e38\u7684\u670d\u52a1\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042459110\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><br \/>&emsp;&emsp;\u662f\u4e0d\u662f\u6709\u4eba\u4f1a\u95eeRedisServer2\u6302\u4e86\uff0c\u4e0d\u80fd\u628a\u5b83\u4e0b\u6389\uff0c\u6362\u4e00\u4e2a\u65b0\u7684\u673a\u5668\u4e0a\u53bb\u5417\uff1f \u5176\u5b9e\u5728Redis\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0c\u67d0\u4e2a\u5b9e\u4f8b\u5b95\u673aRedis\u96c6\u7fa4\u4f1a\u81ea\u52a8\u5c06\u5176\u66ff\u6362\u3002\u4f46\u73b0\u5728\u7684\u60c5\u51b5\u662f\uff0c\u5373\u4fbf\u662f\u66ff\u6362\u4e86\u65b0\u5b9e\u4f8b\uff0c\u5927\u91cf\u7684\u8bf7\u6c42\u4e5f\u4f1a\u4e00\u4e0b\u5b50\u6d8c\u8fdb\u6765\u5c06\u5176\u538b\u6302\u3002\u6240\u4ee5\u9762\u5bf9Redis\u70ed\u70b9\u95ee\u9898\uff0c\u91cd\u542f\u4e4b\u7c7b\u7684\u624b\u6bb5\u662f\u65e0\u6548\u7684\uff0c\u53ea\u80fd\u4ece\u8bf7\u6c42\u7aef\u89e3\u51b3\u95ee\u9898\u3002   <\/p>\n<p>&emsp;&emsp;\u5176\u5b9e\u8fd9\u5c31\u662f\u4e00\u4e2a\u5f88\u660e\u663e\u7684 <strong>\u6728\u6876\u6a21\u578b<\/strong>\uff0c \u4e00\u4e2a\u6728\u6876\u6240\u80fd\u88c5\u6c34\u7684\u591a\u5c11\u53d6\u51b3\u4e8e\u6728\u6876\u4e0a\u6700\u77ed\u7684\u90a3\u5757\u6728\u677f\uff0c\u5f53\u5e94\u7528\u4f7f\u7528Redis\u96c6\u7fa4\u65f6\uff0cRedis\u96c6\u7fa4\u7684\u6027\u80fd\u4e0a\u9650\u5e76\u4e0d\u5b8c\u5168\u7b49\u4e8e\u5355\u5b9e\u4f8b\u4e0a\u9650\u4e58\u4ee5\u5b9e\u4f8b\u4e2a\u6570\u3002 \u4f46\u5f53Redis\u96c6\u7fa4\u4e2d\u4efb\u4e00\u5b9e\u4f8b\u6709\u95ee\u9898\uff0c\u4e0a\u5c42\u611f\u77e5\u5230\u7684\u5c31\u662f\u6574\u4e2aRedis\u96c6\u7fa4\u6709\u95ee\u9898\u3002    <br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042459111\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h2>Redis\u70ed\u70b9\u5982\u4f55\u907f\u514d\uff1f<\/h2>\n<p>&emsp;&emsp;\u4e0a\u6587\u4e5f\u8bf4\u5230\uff0c\u70ed\u70b9\u95ee\u9898\u5176\u5b9e\u662f\u5c40\u90e8\u6027\u95ee\u9898\uff0c\u800c\u5c40\u90e8\u6027\u95ee\u9898\u7684\u907f\u514d\u5176\u5b9e\u975e\u5e38\u96be\uff0c\u4efb\u4f55\u5206\u5e03\u5f0f\u7cfb\u7edf\u51e0\u4e4e\u90fd\u4f1a\u53d7\u5c40\u90e8\u6027\u7684\u5f71\u54cd\u3002\u9762\u5bf9\u8fd9\u79cd\u95ee\u9898\uff0c\u8bf4\u5b9e\u8bdd\u6ca1\u6709\u7edd\u5bf9\u53ef\u4ee5\u907f\u514d\u7684\u65b9\u5f0f\uff0c\u53ea\u80fd\u63d0\u524d\u901a\u8fc7\u5206\u6790\u6570\u636e\u7684\u7279\u6027\uff0c\u505a\u597d\u76f8\u5e94\u7684\u63aa\u65bd\u3002\u8bf4\u767d\u4e86\u5c31\u662f\u9760\u7ecf\u9a8c\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u6709\u5565\u5176\u4ed6\u597d\u7684\u601d\u8def\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u63a2\u8ba8\u4e0b\u3002<\/p>\n<h2>\u70ed\u70b9\u95ee\u9898\u5982\u4f55\u6392\u67e5?<\/h2>\n<p>&emsp;&emsp;Redis\u7684\u70ed\u70b9\u7684\u95ee\u9898\u5176\u5b9e\u7b97\u662f\u5f88\u597d\u67e5\u7684\uff0c\u5c31\u662f\u9760\u76d1\u63a7\u6570\u636e\uff0c\u76d1\u63a7Redis\u5404\u4e2a\u5b9e\u4f8b\u7684CPU\u4f7f\u7528\u7387\u3001QPS \u6570\u636e\uff0c\u5982\u679c\u4f60\u770b\u5230redis\u96c6\u7fa4\u4e2d\u67d0\u4e9b\u5b9e\u4f8b\u8d1f\u8f7d\u548cQPS\u7279\u522b\u9ad8\uff0c\u4f46\u5176\u4ed6\u5b9e\u4f8b\u8d1f\u8f7d\u5f88\u4f4e\uff0c\u4e0d\u7528\u95ee\u80af\u5b9a\u662f\u51fa\u73b0\u70ed\u70b9\u95ee\u9898\u4e86\uff0c\u63a5\u4e0b\u6765\u4f60\u9700\u8981\u505a\u7684\u5c31\u662f\u627e\u51fa\u5177\u4f53\u7684\u70ed\u70b9key\uff0c\u5e76\u4e14\u627e\u51fa\u6570\u636e\u8bbf\u95ee\u7684\u6765\u6e90\u3002  <\/p>\n<p>&emsp;&emsp;\u627e\u51fa\u70ed\u70b9Key\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff0c\u6293\u90e8\u5206\u8bbf\u95ee\u65e5\u5fd7\uff0c\u7136\u540e\u7edf\u8ba1\u4e0b\u5f88\u5bb9\u6613\u5c31\u770b\u51fa\u6765\u4e86\u3002\u4f46\u6bd4\u8f83\u96be\u7684\u662f\u627e\u51fa\u6570\u636e\u8bbf\u95ee\u7684\u6765\u6e90\uff0c\u50cf\u6211\u4e4b\u524d\u6240\u5728\u7684\u516c\u53f8\uff0c\u540c\u4e00\u4e2aRedis\u96c6\u7fa4\u662f\u88ab\u5f88\u591a\u4e1a\u52a1\u6240\u5171\u4eab\u7684\uff0c\u4f46Redis\u7684\u8bbf\u95ee\u5e76\u4e3a\u88ab\u7eb3\u5165\u5230\u5168\u94fe\u8def\u76d1\u63a7\u7684\u6570\u636e\u4e2d\uff0c\u6240\u4ee5\u627e\u51fa\u8bbf\u95ee\u6765\u6e90\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\u5c31\u662f\u5728\u7fa4\u91cc\u9762\u95ee\uff0c\u542c\u8d77\u633a\u539f\u59cb\u7684\uff0c\u4f46\u4e5f\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n<h2>\u70ed\u70b9\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f<\/h2>\n<p>&emsp;&emsp;\u867d\u7136\u89e3\u51b3\u95ee\u9898\u6700\u597d\u7684\u65b9\u5f0f\u662f\u907f\u514d\u95ee\u9898\u7684\u53d1\u751f\uff0c\u4f46\u6211\u521a\u624d\u4e5f\u8bf4\u4e86\uff0cRedis\u70ed\u70b9\u5176\u5b9e\u5f88\u96be\u907f\u514d\uff0c<strong>\u4efb\u4f55\u4e1a\u52a1\u4e2d\u70ed\u70b9\u4e00\u5b9a\u6709\uff0c\u4f46\u4e0d\u4e00\u5b9a\u4f1a\u9020\u6210\u707e\u96be\u800c\u5df2<\/strong>\u3002 \u70ed\u70b9\u7684\u53d1\u73b0\u4e0d\u4e00\u5b9a\u975e\u5f97\u662f\u4e8b\u6545\u5f15\u51fa\u7684\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\u5b9a\u671f\u5de1\u68c0\uff0c\u4e00\u6709\u53d1\u73b0\u70ed\u70b9\u7684\u82d7\u5934\uff0c\u76f4\u63a5\u5c06\u5176\u627c\u6740\u3002  <br \/>\u5bf9\u4e8e\u53d1\u73b0\u70ed\u70b9\u540e\u5982\u4f55\u89e3\u51b3\uff0c\u6211\u8fd9\u91cc\u63d0\u4f9b\u4e24\u4e2a\u6211\u7684\u89e3\u51b3\u601d\u8def\uff0c\u5927\u5bb6\u53ef\u4ee5\u63a2\u8ba8\u4e0b\uff1a<\/p>\n<h3>\u5e94\u7528\u5c42Cache<\/h3>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042459112\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>&emsp;&emsp;\u5e38\u7528\u7684\u5b9e\u73b0\u65b9\u5f0f\u5c31\u662f\u5728\u5e94\u7528\u91cc\u5b9e\u73b0\u672c\u5730\u7f13\u5b58(LocalCache)\uff0c\u5c31\u76f8\u5f53\u4e8e\u662f\u5bf9Redis\u6570\u636e\u53c8\u52a0\u4e86\u4e00\u5c42Cache\uff0c\u5bf9\u4e8e\u90a3\u4e9b\u975e\u5e38\u70ed\u7684\u70ed\u70b9\u6570\u636e\uff0c\u5e94\u7528\u5c42\u6709\u6781\u5927\u7684\u6982\u7387\u80fd\u5728\u672c\u5730\u7f13\u5b58\u4e2d\u627e\u5230\u6570\u636e\uff0c\u53ea\u6709\u6781\u5c0f\u90e8\u5206LocalCache\u6570\u636e\u8fc7\u671f\u65f6\u7684\u8bf7\u6c42\u4f1a\u6f0f\u5230\u4e0b\u9762\uff0c\u8fd9\u6837\u70ed\u70b9\u6570\u636e\u7684\u8bf7\u6c42\u5728\u5e94\u7528\u5c42\u5185\u90e8\u5c31\u80fd\u6d88\u5316\uff0c\u4ece\u800c\u6781\u5927\u51cf\u5c11\u5bf9Redis\u7684\u538b\u529b\u3002   <\/p>\n<p>&emsp;&emsp;\u8fd9\u79cd\u5b9e\u73b0\u65b9\u6cd5\u7684\u8bdd\uff0c\u4ec5\u9700\u8981\u6570\u636e\u8bfb\u53d6\u7aef\u505a\u6539\u9020\uff0c\u6570\u636e\u5199\u5165\u7aef\u5b8c\u5168\u4e0d\u9700\u8981\u6539\u9020\u3002\u7136\u800c\u7f3a\u70b9\u7684\u8bdd\u4e5f\u5f88\u660e\u663e\uff1a<\/p>\n<ol>\n<li>\u9700\u8981\u5404\u7aef\u81ea\u884c\u5b9e\u73b0\uff0c\u4f1a\u589e\u52a0\u5e94\u7528\u5c42\u5f00\u53d1\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n<li>\u4f1a\u989d\u5916\u6d6a\u8d39\u5404\u7aef\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n<li>\u9700\u8981\u9488\u5bf9\u6027\u5f00\u53d1\uff0c\u4e0d\u9002\u5408\u5927\u8303\u56f4\u63a8\u5e7f\u3002<\/li>\n<\/ol>\n<h3>\u589e\u52a0\u6570\u636e\u526f\u672c<\/h3>\n<p>&emsp;&emsp;\u65e2\u7136\u70ed\u70b9\u95ee\u9898\u662f\u56e0\u4e3a\u67d0\u4e2aKey\u88ab\u5927\u91cf\u8bbf\u95ee\u5bfc\u81f4\u7684\uff0c\u90a3\u6211\u4eec\u5c06\u8fd9\u4e2aKey\u7684\u8bf7\u6c42\u505a\u4e0b\u62c6\u5206\u4e0d\u5c31\u884c\u4e86\u3002\u4f8b\u5982\uff0c\u539f\u59cb\u7684\u70ed\u70b9Key\u53eb\u505a<strong>XXX_KEY<\/strong>\uff0c\u6211\u4eec\u5728\u6570\u636e\u5199\u5165\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u7528\u4e0d\u540c\u7684Key\u91cd\u590d\u519910\u4efd\uff0c\u6bd4\u5982 <strong>XXX_KEY_01, XXX_KEY_02\u2026\u2026XXX_KEY_10\uff0c<\/strong> \u8bbf\u95ee\u7684\u65f6\u5019\u5728\u539f\u59cbKey\u4e0a\u968f\u673a\u51ed\u63a5\u4e00\u4e2a1-10\u4e4b\u95f4\u7684\u540e\u7f00\u5373\u53ef\uff0c\u8fd9\u6837\u5c31\u80fd\u5b9e\u73b0\u6570\u636e\u8bf7\u6c42\u7684\u5206\u6563\uff0c\u5982\u679c\u60f3\u8ba9\u8bf7\u6c42\u66f4\u5206\u6563\uff0c\u53ef\u4ee5\u5b58\u50a8\u66f4\u591a\u7684\u526f\u672c\u3002   <br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042459113\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>&emsp;&emsp;\u8fd9\u79cd\u65b9\u6848\u7684\u4f18\u70b9\u5c31\u662f\u6570\u636e\u8bfb\u53d6\u7aef\u5b9e\u73b0\u6210\u672c\u8f83\u4f4e\uff08\u4e5f\u4e0d\u662f\u5b8c\u5168\u6ca1\u6709\uff09\uff0c\u4f46\u5bf9\u6570\u636e\u5199\u5165\u7aef\u7684\u8981\u6c42\u5c31\u9ad8\u591a\u4e86\u3002\u4e0d\u4ec5\u8981\u5199\u5165\u591a\u4efd\uff0c\u800c\u4e14\u8fd8\u5f97\u8003\u8651\u6570\u636e\u5199\u5165\u540e\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6cd5\u8981\u6c42\u4e24\u7aef\u90fd\u5f97\u6539\uff0c\u8c8c\u4f3c\u66f4\u9ebb\u70e6\u4e86\uff0c\u4f60\u662f\u4e0d\u662f\u89c9\u5f97\u8fd8\u4e0d\u5982\u7b2c\u4e00\u79cd\u65b9\u6848\uff1f\u5b9e\u5219\u4e0d\u7136\uff0c\u4e00\u822c\u6765\u8bf4\u8bfb\u53d6\u7aef\u4f1a\u5f88\u591a\u4e14\u5f88\u5206\u6563\uff0c\u6539\u9020\u7684\u6210\u672c\u4f1a\u975e\u5e38\u9ad8\uff0c\u9891\u7e41\u53d8\u52a8\u66f4\u662f\u4e0d\u592a\u53ef\u80fd\uff0c\u6240\u4ee5\u6709\u4e9b\u5de5\u4f5c\u4e0d\u5f97\u4e0d\u653e\u7f6e\u5230\u6bd4\u8f83\u96c6\u4e2d\u7684\u7aef\u4e0a\u3002    <\/p>\n<p>&emsp;&emsp;\u4ee5\u4e0a\u4e24\u79cd\u65b9\u6848\u5176\u5b9e\u90fd\u662f\u901a\u8fc7\u5b58\u50a8\u6765\u6362\u6027\u80fd\uff0c\u4e3b\u8981\u5dee\u5f02\u70b9\u5c31\u5728\u4e8e\u7531\u8c01\u6765\u505a\u800c\u5df2\u3002\u524d\u8005\u662f\u5ba2\u6237\u7aef\u6765\u505a\uff0c\u540e\u8005\u662f\u670d\u52a1\u7aef\u6765\u505a\uff0c\u5404\u6709\u4f18\u7f3a\u70b9\u3002 \u6709\u6ca1\u6709\u53ef\u80fd\u5bf9\u5916\u63d0\u4f9b\u7eaf\u7cb9\u7684Redis\u534f\u8bae\uff0c\u4f46\u53ef\u4ee5\u89e3\u51b3\u6570\u636e\u70ed\u70b9\u7684\u95ee\u9898\uff1f\u3002\u9c81\u8fc5\u2026\u2026David Wheeler\u66fe\u7ecf\u8bf4\u8fc7\uff0c<strong>\u8ba1\u7b97\u673a\u79d1\u5b66\u7684\u5982\u4f55\u95ee\u9898\u90fd\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u4e00\u5c42\u6765\u89e3\u51b3<\/strong>\uff0c\u70ed\u70b9\u7684\u95ee\u9898\u4e5f\u4e0d\u4f8b\u5916\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u5e94\u7528\u548cRedis\u4e4b\u95f4\u52a0\u4e00\u5c42\u4e2d\u95f4\u5c42\uff0c\u8fd9\u5c42\u4e2d\u95f4\u5c42\u53ef\u4ee5\u662f\u771f\u5b9e\u7684\u670d\u52a1\uff0c\u6bd4\u5982\u6570\u636e\u7edf\u4e00\u8bbf\u95ee\u5c42\u3002\u4e5f\u53ef\u4ee5\u662f\u7279\u5236\u7684Redis\u5ba2\u6237\u7aef\u3002  <\/p>\n<p>&emsp;&emsp;\u4e2d\u95f4\u5c42\u53ef\u4ee5\u5bf9\u7279\u5b9a\u7684Key\u52a0\u672c\u5730Cache\uff0c\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u70ed\u70b9\u4e0d\u4f1a\u51fa\u73b0\u5728Redis\u4e0a\u3002\u81f3\u4e8e\u5bf9\u54ea\u4e9bKey\u52a0\u672c\u5730Cache\uff0c\u4e2d\u95f4\u5c42\u53ef\u4ee5\u5b9e\u65f6\u53bb\u5206\u6790\u8fd1\u671f\u8bf7\u6c42\u70ed\u70b9\u6570\u636e\uff0c\u81ea\u884c\u51b3\u5b9a\u3002\u5176\u5b9e\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u5c31\u662f\u5f00\u4e2aLRU\u6216\u8005LFU\u7684Cache\u3002<\/p>\n<p>&emsp;&emsp;\u53e6\u5916\uff0c\u50cf\u7b2c\u4e8c\u79cd\u589e\u52a0\u6570\u636e\u526f\u672c\u7684\u65b9\u6848\uff0c\u4e5f\u5b8c\u5168\u53ef\u4ee5\u7531\u4e2d\u95f4\u5c42\u53bb\u5b9e\u73b0\u3002\u5f53\u6211\u4eec\u53d1\u73b0\u6709\u6570\u636e\u70ed\u70b9\u65f6\uff0c\u8ba9\u4e2d\u95f4\u5c42\u4e3b\u52a8\u5c06\u70ed\u70b9\u6570\u636e\u590d\u5236\uff0c\u62e6\u622a\u5e76\u6539\u5199\u6240\u6709\u5bf9\u70ed\u70b9\u6570\u636e\u7684\u8bf7\u6c42\uff0c\u5c06\u5176\u5206\u6563\u5f00\u6765\u3002 \u5f53\u7136\uff0c\u5982\u679c\u4e2d\u95f4\u5c42\u66f4\u667a\u80fd\u7684\u5316\uff0c\u8fd9\u4e9b\u5b8c\u5168\u90fd\u53ef\u4ee5\u5b9e\u73b0\u81ea\u52a8\u5316\uff0c\u4ece\u70ed\u70b9\u7684\u53d1\u73b0\u5230\u89e3\u51b3\uff0c\u5b8c\u5168\u4e0d\u9700\u8981\u4eba\u53c2\u4e0e\u3002<\/p>\n<hr>\n<p>&emsp;&emsp;\u4eca\u5929\u7684\u6587\u7ae0\u5c31\u5230\u8fd9\u4e86\uff0c\u5927\u5bb6\u89c9\u5f97\u6709\u7528\u8bf7\u70b9\u8d5e\uff0c\u559c\u6b22\u8bf7\u5173\u6ce8\u3002\u5173\u4e8eRedis\u70ed\u70b9\u7684\u95ee\u9898\uff0c\u5927\u5bb6\u6709\u5565\u770b\u6cd5\u6216\u8005\u7ecf\u9a8c\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u8ba8\u8bba\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042459107\">https:\/\/segmentfault.com\/a\/1190000042459107<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&emsp;&emsp;\u524d\u4e24\u5929\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u67d0\u4e91\u5382\u5546\u670d\u52a1\u6302\u4e86\uff0c\u800c\u4e14\u4e00\u6302\u5c31\u662f\u6302\u5927\u534a\u5929\uff0c\u6211\u4eec\u7684\u670d\u52a1\u5f3a\u4f9d\u8d56\u4e8e\u4ed6\u4eec\uff0c\u6240\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006455","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006455"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006455\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}