{"id":791,"date":"2020-08-03T12:16:28","date_gmt":"2020-08-03T04:16:28","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=791"},"modified":"2023-07-10T11:14:45","modified_gmt":"2023-07-10T03:14:45","slug":"gbase-8a%e6%95%b0%e6%8d%ae%e5%ba%93%e9%9b%86%e7%be%a4_gbase_dc_window_size%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/791","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4_gbase_dc_window_size\u53c2\u6570"},"content":{"rendered":"\n<p>GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u5728\u4e00\u4e2aSQL\u5185\u90e8\u8981\u7f13\u51b2\u4e00\u90e8\u5206\u6570\u636e\uff0c\u901a\u8fc7_gbase_dc_window_size \u53c2\u6570\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u5c0f\uff0c\u5f53\u9700\u8981\u7f13\u5b58\u7684\u5b9e\u9645\u6570\u636e\u91cf\u8d85\u8fc7\u8bbe\u7f6e\u7684DC\u6570\u65f6\uff0c\u5c31\u9700\u8981\u9891\u7e41\u7684\u4ece\u78c1\u76d8\u8bfb\u53d6\u6570\u636e\uff0c\u7136\u540e\u91ca\u653e\uff0c\u7136\u540e\u518d\u8bfb\u53d6\uff0c\u53ef\u80fd\u5bfc\u81f4CPU\u7684sys\u5360\u7528\u9ad8\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u5927\uff0c\u5219\u4f1a\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\uff0c\u4f46\u7531\u4e8e\u51cf\u5c11\u4e86\u6362\u5165\u6362\u51fa\u6b21\u6570\uff0c\u6027\u80fd\u4f1a\u6709\u6240\u63d0\u9ad8\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55\u5bfc\u822a<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2b27426f14c\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2b27426f14c\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E7%94%A8%E9%80%94%EF%BC%9A\" >\u7528\u9014\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E9%BB%98%E8%AE%A4%E5%80%BC\" >\u9ed8\u8ba4\u503c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E5%8F%82%E6%95%B0%E8%8C%83%E5%9B%B4\" >\u53c2\u6570\u8303\u56f4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E4%BF%AE%E6%94%B9%E6%96%B9%E6%B3%95\" >\u4fee\u6539\u65b9\u6cd5\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E5%88%86%E6%9E%90%E6%96%B9%E6%B3%95\" >\u5206\u6790\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E8%AF%B4%E6%98%8E\" >\u8bf4\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/791\/#%E5%8F%82%E6%95%B0%E5%BD%B1%E5%93%8D\" >\u53c2\u6570\u5f71\u54cd<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%94%A8%E9%80%94%EF%BC%9A\"><\/span>\u7528\u9014\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u7f13\u5b58\u5230\u5185\u5b58\u7684DC\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%BB%98%E8%AE%A4%E5%80%BC\"><\/span>\u9ed8\u8ba4\u503c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>256<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E6%95%B0%E8%8C%83%E5%9B%B4\"><\/span>\u53c2\u6570\u8303\u56f4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>[1,65536]<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BF%AE%E6%94%B9%E6%96%B9%E6%B3%95\"><\/span>\u4fee\u6539\u65b9\u6cd5\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>gnode\u7684\u914d\u7f6e\u6587\u4ef6\u7684gbased\u90e8\u5206\uff0c\u589e\u52a0\u53c2\u6570_gbase_dc_window_size=64\u00a0\u00a0<\/p>\n\n\n\n<p>\u91cd\u542fgbased\u670d\u52a1\uff0c\u7136\u540e\u786e\u8ba4\u53c2\u6570\u751f\u6548\u00a0 <\/p>\n\n\n\n<p>gncli -e\"show variables like '_gbase_dc_window_size\u2018\"<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%86%E6%9E%90%E6%96%B9%E6%B3%95\"><\/span>\u5206\u6790\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u00a0show status like '%dc_heap%';\u00a0<\/p>\n\n\n\n<p> \u5176\u4e2dMeminfo_dc_heap_malloc_size\u5206\u914d\u8d85\u8fc70\uff0c<strong>\u4e14\u7ecf\u5e38\u56e0headp_data_buffer\u5185\u5b58malloc\u4e0d\u8db3\u62a5\u9519\uff08\u4e09\u4e2a\u62a5\u9519\u4fe1\u606f\u6570\u5b57\u91cc\u7684\u7b2c\u4e00\u4e2a\u6570\u5b57\u9ad8\uff09<\/strong>\u3002\u00a0BLK_TEMP: return NULL in alloc(8388620),HeapUsed(18288255904,2601731328,3035596000),SystemUsed<strong>(22624634748<\/strong>,0,2241434316),\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e00\u822c\u5efa\u8bae\u4e0d\u8d85\u8fc75000\u4e2a\uff0c\u5177\u4f53\u6839\u636e\u673a\u5668\u5185\u5b58\uff0c\u6570\u636e\u60c5\u51b5\u51b3\u5b9a\u3002<\/p>\n\n\n\n<p>\u5982\u5f53\u5185\u5b58\u4e3a64G\u65f6\uff0c\u8bbe\u5b9a\u4e3a64\uff5e300\uff0c\u5185\u5b58\u4e3a128G\u65f6\uff0c\u8bbe\u5b9a\u4e3a500~1000\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E6%95%B0%E5%BD%B1%E5%93%8D\"><\/span>\u53c2\u6570\u5f71\u54cd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u00a0 \u00a0DC\u70ed\u6570\u636e\u7f13\u51b2\uff0c\u51cf\u5c11\u540e\uff0c\u53ef\u4ee5\u7f13\u89e3\u5185\u5b58\u4e0d\u8db3\uff0c\u907f\u514d\u4e00\u4e2a\u5927\u8868SQL\u5360\u7528\u592a\u591a\u70ed\u6570\u636e\uff0c\u7279\u522b\u53c2\u4e0e\u7684\u5217\u5f88\u591a\u65f6\u3002<br>\u00a0 \u00a0\u540c\u65f6\uff0c\u7f13\u51b2\u5c11\u4e86\uff0c\u5982\u679c\u6570\u636e\u591a\u8d9f\u4f7f\u7528\uff0c\u4f46\u521a\u7f13\u51b2\u7684\u6570\u636e\u88ab\u6362\u51fa\u4e86\u5185\u5b58\uff0c\u5219\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u78c1\u76d8\u8bfb\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u5728\u4e00\u4e2aSQL\u5185\u90e8\u8981\u7f13\u51b2\u4e00\u90e8\u5206\u6570\u636e\uff0c\u901a\u8fc7_gbase_dc_window_size \u53c2\u6570\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u5c0f\uff0c\u5f53\u9700\u8981\u7f13\u5b58\u7684\u5b9e\u9645\u6570\u636e\u91cf\u8d85\u8fc7\u8bbe\u7f6e\u7684DC\u6570\u65f6\uff0c\u5c31\u9700\u8981\u9891\u7e41\u7684\u4ece\u78c1\u76d8\u8bfb\u53d6\u6570\u636e\uff0c\u7136\u540e\u91ca\u653e\uff0c\u7136\u540e\u518d\u8bfb\u53d6\uff0c\u53ef\u80fd\u5bfc\u81f4CPU\u7684sys\u5360\u7528\u9ad8\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u5927\uff0c\u5219\u4f1a\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\uff0c\u4f46\u7531\u4e8e\u51cf\u5c11\u4e86\u6362\u5165\u6362\u51fa\u6b21\u6570\uff0c\u6027\u80fd\u4f1a\u6709\u6240\u63d0\u9ad8\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[39],"class_list":["post-791","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-39"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=791"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/791\/revisions"}],"predecessor-version":[{"id":12351,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/791\/revisions\/12351"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}