{"id":10007052,"date":"2023-01-09T18:13:01","date_gmt":"2023-01-09T10:13:01","guid":{"rendered":"https:\/\/ityet.com\/?p=10007052"},"modified":"2023-01-09T18:13:01","modified_gmt":"2023-01-09T10:13:01","slug":"%e4%bb%8e%e5%ae%9e%e6%88%98%e5%87%ba%e5%8f%91%ef%bc%8c%e8%81%8a%e8%81%8a%e7%bc%93%e5%ad%98%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%80%e8%87%b4%e6%80%a7","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10007052","title":{"rendered":"\u4ece\u5b9e\u6218\u51fa\u53d1\uff0c\u804a\u804a\u7f13\u5b58\u6570\u636e\u5e93\u4e00\u81f4\u6027"},"content":{"rendered":"<p>\u5728\u4e91\u670d\u52a1\u4e2d\uff0c\u7f13\u5b58\u662f\u6781\u5176\u91cd\u8981\u7684\u4e00\u70b9\u3002\u6240\u8c13\u7f13\u5b58\uff0c\u5176\u5b9e\u662f\u4e00\u4e2a\u9ad8\u901f\u6570\u636e\u5b58\u50a8\u5c42\u3002\u5f53\u7f13\u5b58\u5b58\u5728\u540e\uff0c\u65e5\u540e\u518d\u6b21\u8bf7\u6c42\u8be5\u6570\u636e\u5c31\u4f1a\u76f4\u63a5\u8bbf\u95ee\u7f13\u5b58\uff0c\u63d0\u5347\u6570\u636e\u8bbf\u95ee\u7684\u901f\u5ea6\u3002\u4f46\u662f\u7f13\u5b58\u5b58\u50a8\u7684\u6570\u636e\u901a\u5e38\u662f\u77ed\u6682\u6027\u7684\uff0c\u8fd9\u5c31\u9700\u8981\u7ecf\u5e38\u5bf9\u7f13\u5b58\u8fdb\u884c\u66f4\u65b0\u3002\u800c\u6211\u4eec\u64cd\u4f5c\u7f13\u5b58\u548c\u6570\u636e\u5e93\uff0c\u5206\u4e3a\u8bfb\u64cd\u4f5c\u548c\u5199\u64cd\u4f5c\u3002<\/p>\n<p>\u8bfb\u64cd\u4f5c\u7684\u8be6\u7ec6\u6d41\u7a0b\u4e3a\uff0c\u8bf7\u6c42\u6570\u636e\uff0c\u5982\u7f13\u5b58\u4e2d\u5b58\u5728\u6570\u636e\u5219\u76f4\u63a5\u8bfb\u53d6\u5e76\u8fd4\u56de\uff0c\u5982\u4e0d\u5b58\u5728\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\uff0c\u6210\u529f\u4e4b\u540e\u5c06\u6570\u636e\u653e\u5230\u7f13\u5b58\u4e2d\u3002<\/p>\n<p>\u5199\u64cd\u4f5c\u5219\u53c8\u5206\u4e3a\u4ee5\u4e0b 4 \u79cd\uff1a<\/p>\n<ul>\n<li>\u5148\u66f4\u65b0\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93<\/li>\n<li>\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u66f4\u65b0\u7f13\u5b58<\/li>\n<li>\u5148\u5220\u9664\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93<\/li>\n<li>\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u5220\u9664\u7f13\u5b58<\/li>\n<\/ul>\n<p>\u4e00\u4e9b\u4e00\u81f4\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u6570\u636e\uff0c\u5982\u70b9\u8d5e\u6570\u7b49\uff0c\u53ef\u4ee5\u5148\u66f4\u65b0\u7f13\u5b58\uff0c\u7136\u540e\u518d\u5b9a\u65f6\u540c\u6b65\u5230\u6570\u636e\u5e93\u3002\u800c\u5728\u5176\u5b83\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u7b49\u6570\u636e\u5e93\u64cd\u4f5c\u6210\u529f\uff0c\u518d\u64cd\u4f5c\u7f13\u5b58\u3002<\/p>\n<p>\u4e0b\u9762\u4e3b\u8981\u4ecb\u7ecd\u66f4\u65b0\u6570\u636e\u5e93\u6210\u529f\u540e\uff0c\u66f4\u65b0\u7f13\u5b58\u548c\u5220\u9664\u7f13\u5b58\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u7684\u533a\u522b\u548c\u6539\u8fdb\u65b9\u6848\u3002<\/p>\n<h2>\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u5220\u9664\u7f13\u5b58<\/h2>\n<p>\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u5220\u9664\u7f13\u5b58\uff0c\u8fd9\u79cd\u6a21\u5f0f\u4e5f\u53eb cache aside\uff0c\u662f\u76ee\u524d\u6bd4\u8f83\u6d41\u884c\u7684\u5904\u7406\u7f13\u5b58\u6570\u636e\u5e93\u4e00\u81f4\u6027\u7684\u65b9\u6cd5\u3002<br \/>\u5b83\u7684\u4f18\u70b9\u662f\uff1a<\/p>\n<ul>\n<li>\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u6982\u7387\u6781\u4f4e\uff0c\u5b9e\u73b0\u7b80\u5355<\/li>\n<li>\u7531\u4e8e\u4e0d\u66f4\u65b0\u7f13\u5b58\uff0c\u800c\u662f\u5220\u9664\u7f13\u5b58\uff0c\u5728\u5e76\u53d1\u5199\u5199\u60c5\u51b5\u4e0b\uff0c\u4e0d\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5<\/li>\n<\/ul>\n<p>\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u51fa\u73b0\u5728\u5e76\u53d1\u8bfb\u5199\u7684\u573a\u666f\u4e0b\uff0c\u8be6\u60c5\u53ef\u89c1\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280585\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u7684\u6982\u7387\u6bd4\u8f83\u4f4e\uff0c\u5fc5\u987b\u8981\u5728\u67d0\u2f00\u65f6\u95f4\u533a\u95f4\u540c\u65f6\u5b58\u5728\u4e24\u4e2a\u6216\u591a\u4e2a\u5199\u2f0a\u548c\u591a\u4e2a\u8bfb\u53d6\uff0c\u6240\u4ee5\u5927\u90e8\u5206\u4e1a\u52a1\u90fd\u5bb9\u5fcd\u4e86\u8fd9\u79cd\u5c0f\u6982\u7387\u7684\u4e0d\u4e00\u81f4\u3002<\/p>\n<p>\u867d\u7136\u53d1\u751f\u7684\u6982\u7387\u8f83\u4f4e\uff0c\u4f46\u8fd8\u662f\u6709\u4e00\u4e9b\u65b9\u6848\u53ef\u4ee5\u8ba9\u5f71\u54cd\u964d\u5230\u66f4\u4f4e\u3002<\/p>\n<h3>\u4f18\u5316\u65b9\u6848<\/h3>\n<p>\u7b2c\u4e00\u79cd\u65b9\u6848\u4e3a\uff1a\u91c7\u7528\u8f83\u77ed\u7684\u8fc7\u671f\u65f6\u95f4\u6765\u51cf\u5c11\u5f71\u54cd\u3002\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e24\u4e2a\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li>\u5220\u9664\u540e\uff0c\u8bfb\u8bf7\u6c42\u4f1a miss<\/li>\n<li>\u5982\u679c\u7f13\u5b58\u4e0d\u4e00\u81f4\uff0c\u4e0d\u4e00\u81f4\u7684\u65f6\u95f4\u53d6\u51b3\u4e8e\u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e<\/li>\n<\/ul>\n<p>\u7b2c\u4e8c\u79cd\u65b9\u6848\u5219\u662f\u91c7\u7528\u5ef6\u8fdf\u53cc\u5220\u7684\u7b56\u7565\uff0c\u6bd4\u5982\uff1a1\u5206\u949f\u4ee5\u540e\u5220\u9664\u7f13\u5b58\u3002\u8fd9\u79cd\u505a\u6cd5\u4e5f\u5b58\u5728\u4e24\u4e2a\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li>\u5220\u9664\u7f13\u5b58\u4e4b\u524d\u7684\u65f6\u95f4\u91cc\u53ef\u80fd\u4f1a\u6709\u4e0d\u4e00\u81f4<\/li>\n<li>\u5220\u9664\u540e\uff0c\u8bfb\u8bf7\u6c42\u4f1a miss<\/li>\n<\/ul>\n<p>\u7b2c\u4e09\u79cd\u65b9\u6848\u4e3a\u53cc\u66f4\u65b0\u7b56\u7565\uff0c\u601d\u8def\u4e0e\u5ef6\u8fdf\u53cc\u5220\u7b56\u7565\u5dee\u4e0d\u591a\u3002\u4e0d\u540c\u7684\u70b9\u662f\uff0c\u6b64\u65b9\u6848\u4e0d\u5220\u9664\u7f13\u5b58\u800c\u662f\u66f4\u65b0\u7f13\u5b58\uff0c\u6240\u4ee5\u8bfb\u8bf7\u6c42\u5c31\u4e0d\u4f1a\u53d1\u751f miss\u3002\u4f46\u662f\u53e6\u4e00\u4e2a\u7f3a\u70b9\u8fd8\u662f\u5b58\u5728\u3002<\/p>\n<h2>\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u66f4\u65b0\u7f13\u5b58<\/h2>\n<p>\u76f8\u6bd4\u5148\u66f4\u65b0\u6570\u636e\u5e93\u518d\u5220\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\u518d\u66f4\u65b0\u7f13\u5b58\u7684\u64cd\u4f5c\u53ef\u4ee5\u907f\u514d\u7528\u6237\u8bf7\u6c42\u76f4\u63a5\u6253\u5230\u6570\u636e\u5e93\uff0c\u8fdb\u800c\u5bfc\u81f4\u7f13\u5b58\u7a7f\u900f\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6b64\u65b9\u6848\u662f\u66f4\u65b0\u7f13\u5b58\uff0c\u6211\u4eec\u9700\u8981\u5173\u6ce8\u5e76\u53d1\u8bfb\u5199\u548c\u5e76\u53d1\u5199\u5199\u4e24\u4e2a\u573a\u666f\u4e0b\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n<p>\u5148\u6765\u770b\u770b\u5e76\u53d1\u8bfb\u5199\u7684\u60c5\u51b5\uff0c\u6b65\u9aa4\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280586\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u7531\u4e8e 4 \u548c 5 \u64cd\u4f5c\u6b65\u9aa4\u90fd\u8bbe\u7f6e\u4e86\u7f13\u5b58\uff0c\u5982\u679c\u6b65\u9aa44\u53d1\u751f\u5728\u6b65\u9aa45\u4e4b\u524d\uff0c\u90a3\u4e48\u4f1a\u51fa\u73b0\u65e7\u503c\u8986\u76d6\u65b0\u503c\u7684\u60c5\u51b5\uff0c\u4e5f\u5c31\u662f\u7f13\u5b58\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u8fd9\u79cd\u60c5\u51b5\u53ea\u9700\u8981\u4fee\u6539\u4e00\u4e0b\u6b65\u9aa45\uff0c\u4fbf\u53ef\u89e3\u51b3\u3002<\/p>\n<h3>\u4f18\u5316\u65b9\u6848<\/h3>\n<p>\u53ef\u4ee5\u901a\u8fc7\u5728\u7b2c\u4e94\u6b65\u4e0d\u8981 set cache\uff0c\u6539\u7528 add cache\uff0credis \u4e2d\u4f7f\u7528 setnx \u547d\u4ee4\u6765\u8fdb\u884c\u4f18\u5316\u3002\u4fee\u6539\u540e\u6b65\u9aa4\u793a\u610f\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280587\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u89e3\u51b3\u5b8c\u4e86\u5e76\u53d1\u8bfb\u5199\u573a\u666f\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u518d\u6765\u770b\u770b\u5e76\u53d1\u5199\u5199\u60c5\u51b5\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n<p>\u51fa\u73b0\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u5982\u4e0b\u56fe\u6240\u793a\uff0cThread A \u6bd4 Thread B \u5148\u66f4\u65b0\u5b8c DB\uff0c\u4f46\u662f Thread B \u5374\u5148\u66f4\u65b0\u5b8c\u7f13\u5b58\uff0c\u8fd9\u5c31\u5bfc\u81f4\u7f13\u5b58\u4f1a\u88ab Thread A \u7684\u65e7\u503c\u6240\u8986\u76d6\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280588\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5\u4e5f\u662f\u6709\u65b9\u6cd5\u53ef\u4ee5\u4f18\u5316\u7684\uff0c\u4e0b\u9762\u4ecb\u7ecd\u4e24\u4e2a\u4e3b\u6d41\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u5206\u5e03\u5f0f\u9501<\/li>\n<li>\u4f7f\u7528\u7248\u672c\u53f7<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u5206\u5e03\u5f0f\u9501<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u5e76\u53d1\u8bfb\u5199\u7684\u95ee\u9898\uff0c\u7b2c\u4e00\u4e2a\u601d\u8def\u5c31\u662f\u6d88\u706d\u5e76\u53d1\u5199\u3002\u800c\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\uff0c\u8ba9\u5199\u64cd\u4f5c\u6392\u961f\u6267\u884c\uff0c\u7406\u8bba\u4e0a\u5c31\u53ef\u4ee5\u89e3\u51b3\u5e76\u53d1\u5199\u7684\u95ee\u9898\uff0c\u4f46\u73b0\u5728\u5e76\u6ca1\u6709\u53ef\u9760\u7684\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0\u65b9\u6848\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280589\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e0d\u7ba1\u662f\u57fa\u4e8e Zookeeper\uff0cetcd \u8fd8\u662f redis \u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u4e3a\u4e86\u9632\u6b62\u7a0b\u5e8f\u6302\u6389\u800c\u9501\u4e0d\u80fd\u91ca\u653e\uff0c\u6211\u4eec\u90fd\u4f1a\u7ed9\u9501\u8bbe\u7f6e\u79df\u7ea6\/\u8fc7\u671f\u65f6\u95f4\uff0c\u60f3\u8c61\u4e00\u79cd\u573a\u666f\uff1a\u5982\u679c\u8fdb\u7a0b\u5361\u987f\u51e0\u5206\u949f\uff08\u867d\u7136\u6982\u7387\u8f83\u4f4e\uff09\uff0c\u5bfc\u81f4\u9501\u5931\u6548\uff0c\u800c\u5176\u5b83\u7ebf\u7a0b\u83b7\u53d6\u5230\u9501\uff0c\u6b64\u65f6\u5c31\u53c8\u51fa\u73b0\u4e86\u5e76\u53d1\u8bfb\u5199\u7684\u573a\u666f\u4e86\uff0c\u8fd8\u662f\u6709\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong>\u4f7f\u7528\u7248\u672c\u53f7<\/strong><\/p>\n<p>\u5e76\u53d1\u5199\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u662f\u56e0\u4e3a\u4f4e\u7248\u672c\u8986\u76d6\u4e86\u9ad8\u7248\u672c\u3002\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u60f3\u529e\u6cd5\u4e0d\u8ba9\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u4e00\u79cd\u53ef\u884c\u7684\u65b9\u6848\u662f\u5f15\u5165\u7248\u672c\u53f7\uff0c\u5982\u679c\u5199\u5165\u7684\u6570\u636e\u4f4e\u4e8e\u73b0\u7248\u672c\u53f7\uff0c\u5219\u653e\u5f03\u8986\u76d6\u3002<\/p>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li>\u5e94\u7528\u5c42\u7ef4\u62a4\u7248\u672c\u7684\u4ee3\u4ef7\u5f88\u5927\uff0c\u5927\u89c4\u6a21\u843d\u5730\u5f88\u96be<\/li>\n<li>\u9700\u4fee\u6539\u6570\u636e\u6a21\u578b\uff0c\u6dfb\u52a0\u7248\u672c<\/li>\n<li>\u6bcf\u6b21\u9700\u8981\u4fee\u6539\uff0c\u8ba9\u7248\u672c\u81ea\u589e<\/li>\n<\/ul>\n<p>\u4e0d\u7ba1\u662f\u66f4\u65b0\u7f13\u5b58\u8fd8\u662f\u5220\u9664\u7f13\u5b58\uff0c\u4f18\u5316\u4ee5\u540e\u90fd\u5c06\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u6982\u7387\u964d\u5230\u6700\u4f4e\u4e86\u3002\u4f46\u662f\u6709\u6ca1\u6709\u4e00\u79cd\u529e\u6cd5\u65e2\u7b80\u5355\uff0c\u53c8\u4e0d\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u573a\u666f\u5462\u3002\u4e0b\u9762\u5c31\u4ecb\u7ecd\u4e00\u4e0b Rockscache\u3002<\/p>\n<h2>Rockscache<\/h2>\n<h3>\u7b80\u4ecb<\/h3>\n<p>Rockscache \u4e5f\u662f\u4e00\u79cd\u4fdd\u6301\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u65b9\u6cd5\uff0c\u5b83\u91c7\u7528\u7684\u7f13\u5b58\u7ba1\u7406\u7b56\u7565\u662f\uff1a\u66f4\u65b0\u6570\u636e\u5e93\u540e\uff0c\u5c06\u7f13\u5b58\u6807\u8bb0\u4e3a\u5220\u9664\u3002\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a<\/p>\n<ul>\n<li>Fetch \u51fd\u6570\u5b9e\u73b0\u4e86\u524d\u9762\u7684\u67e5\u8be2\u7f13\u5b58<\/li>\n<li>TagAsDeleted \u51fd\u6570\u5b9e\u73b0\u4e86\u6807\u8bb0\u5220\u9664\u7684\u903b\u8f91<\/li>\n<\/ul>\n<p>\u5728\u8fd0\u884c\u65f6\u53ea\u8981\u8bfb\u6570\u636e\u65f6\u8c03\u7528 Fetch\uff0c\u5e76\u4e14\u786e\u4fdd\u66f4\u65b0\u6570\u636e\u5e93\u4e4b\u540e\u8c03\u7528 TagAsDeleted\uff0c\u5c31\u80fd\u591f\u786e\u4fdd\u7f13\u5b58\u6700\u7ec8\u4e00\u81f4\u3002\u8fd9\u4e00\u7b56\u7565\u6709 4 \u4e2a\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u4e0d\u9700\u8981\u5f15\u5165\u7248\u672c\uff0c\u51e0\u4e4e\u53ef\u4ee5\u9002\u7528\u4e8e\u6240\u6709\u7f13\u5b58\u573a\u666f<\/li>\n<li>\u67b6\u6784\u4e0a\u4e0e&#8221;\u66f4\u65b0 DB \u540e\u5220\u9664\u7f13\u5b58\u201d\u4e00\u6837\uff0c\u65e0\u989d\u5916\u8d1f\u62c5<\/li>\n<li>\u6027\u80fd\u9ad8\uff1a\u53d8\u5316\u53ea\u662f\u5c06\u539f\u6765\u7684 GET\/SET\/DELETE\uff0c\u66ff\u6362\u4e3a Lua \u811a\u672c<\/li>\n<li>\u5f3a\u4e00\u81f4\u65b9\u6848\u7684\u6027\u80fd\u4e5f\u5f88\u9ad8\uff0c\u4e0e\u666e\u901a\u7684\u9632\u7f13\u5b58\u51fb\u7a7f\u65b9\u6848\u4e00\u6837<\/li>\n<\/ul>\n<p>\u5728 Rockscache \u7b56\u7565\u4e2d\uff0c\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u662f\u5305\u542b\u51e0\u4e2a\u5b57\u6bb5\u7684 hash\uff1a<\/p>\n<ul>\n<li>value\uff1a\u6570\u636e\u672c\u8eab<\/li>\n<li>lockUtil\uff1a\u6570\u636e\u9501\u5b9a\u5230\u671f\u65f6\u95f4\uff0c\u5f53\u67d0\u4e2a\u8fdb\u7a0b\u67e5\u8be2\u7f13\u5b58\u65e0\u6570\u636e\uff0c\u90a3\u4e48\u5148\u9501\u5b9a\u7f13\u5b58\u4e00\u5c0f\u6bb5\u65f6\u95f4\uff0c\u7136\u540e\u67e5\u8be2 DB\uff0c\u7136\u540e\u66f4\u65b0\u7f13\u5b58<\/li>\n<li>owner\uff1a\u6570\u636e\u9501\u5b9a\u8005 uuid<\/li>\n<\/ul>\n<h3>\u8bc1\u660e<\/h3>\n<p>\u56e0\u4e3a Rockscache \u65b9\u6848\u5e76\u4e0d\u66f4\u65b0\u7f13\u5b58\uff0c\u6240\u4ee5\u53ea\u8981\u786e\u4fdd\u5e76\u53d1\u8bfb\u5199\u6570\u636e\u4e00\u81f4\u6027\u5373\u53ef\u3002\u4e0b\u9762\u6765\u770b\u770b Rockscache \u662f\u600e\u4e48\u89e3\u51b3\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u5148\u56de\u5fc6\u4e00\u904d cache aside \u6a21\u5f0f\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u539f\u56e0\u3002<\/p>\n<p>\u7ed3\u5408 cache aside \u6a21\u5f0f\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u573a\u666f\uff0c\u6765\u8bb2\u8bb2 Rockscache \u662f\u600e\u4e48\u89e3\u51b3\u7684\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043280590\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u8981\u89e3\u51b3\u7684\u6838\u5fc3\u95ee\u9898\u662f\uff0c\u9632\u6b62\u65e7\u503c\u5199\u5165\u5230\u7f13\u5b58\u4e2d\u3002Rockscache \u7684\u89e3\u51b3\u65b9\u6848\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<ul>\n<li>\u67e5\u8be2\u8bf7\u6c42\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u8bfb\u4e0d\u5230\u6570\u636e\uff0c\u8fd8\u8981\u505a\u4e00\u4e2a\u64cd\u4f5c\uff1a\u9501\u5b9a\u7f13\u5b58\uff0c\u4e3akey\u8bbe\u7f6e\u4e00\u4e2auuid\uff08\u4ee3\u7801\u793a\u4f8b\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=k3WbpoKu%2FQcYlPagctUBtA%3D%3D.U8VicrM3w9kS6yQi%2FXaMsQuqOfggExytnbVbkG94bn%2BBeK7RqBadHLR6GTEBUhIvdXNkG%2FcY%2FNjyKCtQGH4YBg%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/dtm-labs\/r&#8230;<\/a>\uff09<\/li>\n<li>\u5199\u8bf7\u6c42\u5728\u5220\u9664\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u9700\u8981\u628a\u9501\u5220\u4e86\uff08\u4ee3\u7801\u793a\u4f8b\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=6mXPt6bg%2BVe83w1LJ2K5ww%3D%3D.sOi496GxQ0ZAuBSMcOIdQE6UQ6IDyKLhxPuIPjzUUqhKAgmURJg38scikoc9M%2Bi8OgK393WFrFJF1mddzh6g2w%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/dtm-labs\/r&#8230;<\/a>\uff09<\/li>\n<li>\u8bfb\u8bf7\u6c42\u5728\u8bbe\u7f6e\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u901a\u8fc7uuid\u6bd4\u5bf9\uff0c\u53d1\u73b0\u4e0a\u9501\u7684\u4e0d\u662f\u81ea\u5df1\uff0c\u8bf4\u660e\u6709\u5199\u8bf7\u6c42\u628a\u6570\u636e\u66f4\u65b0\u4e86\uff0c\u5219\u653e\u5f03\u4fee\u6539\u7f13\u5b58\uff08\u4ee3\u7801\u793a\u4f8b\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=9e2MyPFF6LHZJcnApWSUug%3D%3D.KILn0RURLTbk8EsUU3XH4gIQ1XT4ahIKI0%2B7%2BYOTehVcQGbjGRmKCJQZzzewz0CbUhylnkIO1jI4hSC4Lzy1SA%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/dtm-labs\/r&#8230;<\/a>\uff09<\/li>\n<\/ul>\n<p>\u81f3\u6b64\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86 rockscache \u7b56\u7565\u4e0b\u7684\u7f13\u5b58\u66f4\u65b0\u3002\u4e0d\u8fc7\u548c\u5176\u4ed6\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\u4e00\u6837\uff0c\u6211\u4eec\u90fd\u9ed8\u8ba4\u64cd\u4f5c\u6570\u636e\u5e93\u6210\u529f\u540e\uff0c\u64cd\u4f5c\u7f13\u5b58\u80af\u5b9a\u6210\u529f\u3002\u4f46\u662f\u8fd9\u662f\u4e0d\u5bf9\u7684\uff0c\u5728\u5b9e\u9645\u64cd\u4f5c\u8fc7\u7a0b\u5373\u4fbf\u64cd\u4f5c\u6570\u636e\u5e93\u6210\u529f\uff0c\u4e5f\u53ef\u80fd\u51fa\u73b0\u7f13\u5b58\u64cd\u4f5c\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b 3 \u79cd\u65b9\u5f0f\u6765\u4fdd\u8bc1\u7f13\u5b58\u66f4\u65b0\u6210\u529f\uff1a<\/p>\n<ul>\n<li>\u672c\u5730\u6d88\u606f\u8868<\/li>\n<li>\u76d1\u542c binlog<\/li>\n<li>dtm \u7684\u4e8c\u9636\u6bb5\u6d88\u606f<\/li>\n<\/ul>\n<p>\u9664\u4e86\u7f13\u5b58\u66f4\u65b0\uff0cRockscache \u8fd8\u6709\u4ee5\u4e0b\u4e24\u79cd\u529f\u80fd\uff1a<\/p>\n<ul>\n<li>\u9632\u6b62\u7f13\u5b58\u51fb\u7a7f<\/li>\n<li>\u9632\u6b62\u9632\u6b62\u7a7f\u900f\u548c\u7f13\u5b58\u96ea\u5d29<\/li>\n<\/ul>\n<p>\u8fd9\u90fd\u662f\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\uff0c\u63a8\u8350\u5927\u5bb6\u5b9e\u9645\u4f7f\u7528\u64cd\u4f5c\u8bd5\u8bd5\u770b\u3002<\/p>\n<p><strong>\u53c2\u8003\u8d44\u6599<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=ZU6zUF5p3FZlBbIzUF8f1g%3D%3D.haeKbznnVoWPtPpEbBamvVdao7SwcM6cNFcX05NA0dg%3D\" rel=\"nofollow\">https:\/\/dtm.pub\/app\/cache.html<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=R2bLDL0pUUqy1VvDZrF0qA%3D%3D.Ul6xHy0RLnKNODVDYxsA6D7%2FKWeQDTCv%2FPboGvP72lDXz9LeIRJeWmevFJNcL2uiNsykl15HUXwz8GWukHLsp4Uw2EOjo6Z%2BEDLUlMAPwp%2Fnwjyk7Uh3fpWmDHqsi7QVOcVHzLEsBxc7IygRPI453SsKlU1QruhofDOqL2CQ6h1uYREJ5u8I4nWA%2FoYJgL%2B6\" rel=\"nofollow\">https:\/\/smartkeyerror.oss-cn-&#8230;<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000043280583\">https:\/\/segmentfault.com\/a\/1190000043280583<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e91\u670d\u52a1\u4e2d\uff0c\u7f13\u5b58\u662f\u6781\u5176\u91cd\u8981\u7684\u4e00\u70b9\u3002\u6240\u8c13\u7f13\u5b58\uff0c\u5176\u5b9e\u662f\u4e00\u4e2a\u9ad8\u901f\u6570\u636e\u5b58\u50a8\u5c42\u3002\u5f53\u7f13\u5b58\u5b58\u5728\u540e\uff0c\u65e5\u540e\u518d\u6b21\u8bf7\u6c42\u8be5\u6570\u636e\u5c31\u4f1a\u76f4\u63a5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10007052","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10007052","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"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10007052"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10007052\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10007052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10007052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10007052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}