{"id":160513,"date":"2024-11-03T22:43:19","date_gmt":"2024-11-03T14:43:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160513\/"},"modified":"2024-11-03T22:43:20","modified_gmt":"2024-11-03T14:43:20","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e8%a6%96%e5%9c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160513\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u8a08\u5283\u7de9\u5b58\u8996\u5716"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e8%a6%96%e5%9c%96-TRTdtBZnfB\">OceanBase \u6559\u7a0b\uff1aOceanBase \u8a08\u5283\u7de9\u5b58\u8996\u5716<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u6280\u8853\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u4e8b\u52d9\u8655\u7406\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u8a08\u5283\u7de9\u5b58\u8996\u5716\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u53ca\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e8%a6%96%e5%9c%96%ef%bc%9f-TRTdtBZnfB\">\u4ec0\u9ebc\u662f\u8a08\u5283\u7de9\u5b58\u8996\u5716\uff1f<\/h2>\n<p>\u8a08\u5283\u7de9\u5b58\u8996\u5716\u662f OceanBase \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u5141\u8a31\u6578\u64da\u5eab\u5728\u57f7\u884c\u67e5\u8a62\u6642\u91cd\u7528\u4e4b\u524d\u7684\u57f7\u884c\u8a08\u5283\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u91cd\u8907\u67e5\u8a62\u6642\u3002\u8a08\u5283\u7de9\u5b58\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6e1b\u5c11\u67e5\u8a62\u7684\u89e3\u6790\u548c\u512a\u5316\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7684\u7cfb\u7d71\u6548\u7387\u3002<\/p>\n<h2 id=\"%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-TRTdtBZnfB\">\u8a08\u5283\u7de9\u5b58\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u7576\u4e00\u500b\u67e5\u8a62\u88ab\u57f7\u884c\u6642\uff0cOceanBase \u6703\u9996\u5148\u6aa2\u67e5\u8a72\u67e5\u8a62\u7684\u8a08\u5283\u662f\u5426\u5df2\u7d93\u5b58\u5728\u65bc\u7de9\u5b58\u4e2d\u3002\u5982\u679c\u5b58\u5728\uff0c\u7cfb\u7d71\u5c07\u76f4\u63a5\u4f7f\u7528\u9019\u500b\u8a08\u5283\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u89e3\u6790\u548c\u512a\u5316\u67e5\u8a62\u3002\u9019\u4e00\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u89e3\u6790\uff1a<\/strong>\u7576\u7528\u6236\u63d0\u4ea4\u67e5\u8a62\u6642\uff0cOceanBase \u6703\u89e3\u6790 SQL \u8a9e\u53e5\uff0c\u4e26\u751f\u6210\u4e00\u500b\u62bd\u8c61\u8a9e\u6cd5\u6a39\uff08AST\uff09\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u7cfb\u7d71\u6703\u6839\u64da\u6578\u64da\u7d71\u8a08\u4fe1\u606f\u548c\u67e5\u8a62\u7684\u7279\u6027\uff0c\u751f\u6210\u6700\u4f73\u7684\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<li><strong>\u8a08\u5283\u7de9\u5b58\uff1a<\/strong>\u5982\u679c\u8a72\u8a08\u5283\u662f\u53ef\u91cd\u7528\u7684\uff0c\u7cfb\u7d71\u6703\u5c07\u5176\u5b58\u5132\u5728\u8a08\u5283\u7de9\u5b58\u4e2d\u3002<\/li>\n<li><strong>\u57f7\u884c\u67e5\u8a62\uff1a<\/strong>\u7576\u76f8\u540c\u7684\u67e5\u8a62\u518d\u6b21\u88ab\u57f7\u884c\u6642\uff0c\u7cfb\u7d71\u5c07\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u8a08\u5283\uff0c\u4e26\u57f7\u884c\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e8%a6%96%e5%9c%96-TRTdtBZnfB\">\u5982\u4f55\u4f7f\u7528\u8a08\u5283\u7de9\u5b58\u8996\u5716<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u4f7f\u7528\u8a08\u5283\u7de9\u5b58\u8996\u5716\u975e\u5e38\u7c21\u55ae\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u67e5\u770b\u7576\u524d\u7684\u8a08\u5283\u7de9\u5b58\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT * FROM oceanbase.__plan_cache;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u8a08\u5283\u7de9\u5b58\u4e2d\u7684\u6240\u6709\u689d\u76ee\uff0c\u5305\u62ec\u67e5\u8a62\u7684 SQL \u8a9e\u53e5\u3001\u57f7\u884c\u8a08\u5283\u7684\u54c8\u5e0c\u503c\u3001\u7de9\u5b58\u7684\u6642\u9593\u6233\u7b49\u4fe1\u606f\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9019\u4e9b\u4fe1\u606f\u4f86\u5206\u6790\u548c\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e8%a8%88%e5%8a%83%e7%b7%a9%e5%ad%98%e7%9a%84%e5%84%aa%e5%8b%a2-TRTdtBZnfB\">\u8a08\u5283\u7de9\u5b58\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u901a\u904e\u91cd\u7528\u57f7\u884c\u8a08\u5283\uff0c\u6e1b\u5c11\u4e86\u67e5\u8a62\u7684\u89e3\u6790\u548c\u512a\u5316\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\uff1a<\/strong>\u6e1b\u5c11\u4e86 CPU \u548c\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u80fd\u5920\u986f\u8457\u964d\u4f4e\u7cfb\u7d71\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u7c21\u5316\u7ba1\u7406\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u8a08\u5283\u7de9\u5b58\u8996\u5716\u8f15\u9b06\u76e3\u63a7\u548c\u7ba1\u7406\u7de9\u5b58\u7684\u72c0\u614b\uff0c\u53ca\u6642\u8abf\u6574\u67e5\u8a62\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-TRTdtBZnfB\">\u7d50\u8ad6<\/h2>\n<p>OceanBase \u7684\u8a08\u5283\u7de9\u5b58\u8996\u5716\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7cfb\u7d71\u6548\u7387\u3002\u901a\u904e\u5408\u7406\u5229\u7528\u8a08\u5283\u7de9\u5b58\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u8868\u73fe\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u6df1\u5165\u7406\u89e3\u548c\u4f7f\u7528 OceanBase \u7684\u8a08\u5283\u7de9\u5b58\u8996\u5716\u5c07\u662f\u975e\u5e38\u6709\u76ca\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK 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