{"id":21486,"date":"2024-01-02T10:11:25","date_gmt":"2024-01-02T10:11:25","guid":{"rendered":"https:\/\/server.hk\/blog\/21486\/"},"modified":"2024-11-14T10:33:27","modified_gmt":"2024-11-14T02:33:27","slug":"how-to-fix-postgresql-error-code-hv001-fdw_out_of_memory","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21486\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc: HV001 &#8211; fdw_out_of_memory"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-hv001-fdw_out_of_memory-nykSncbUip\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc: HV001 &#8211; fdw_out_of_memory<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5c0e\u81f4\u6b63\u5e38\u904b\u4f5c\u4e2d\u65b7\u3002\u7576\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u662f HV001 &#8211; fdw_out_of_memory \u932f\u8aa4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u542b\u7fa9\u4ee5\u53ca\u5982\u4f55\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-hv001-fdw_out_of_memory-error-nykSncbUip\">\u7406\u89e3 HV001 &#8211; fdw_out_of_memory \u932f\u8aa4<\/h2>\n<p>HV001 &#8211; fdw_out_of_memory \u932f\u8aa4\u8207 PostgreSQL \u4e2d\u7684\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff08Foreign Data Wrapper\uff0c\u7c21\u7a31 FDW\uff09\u529f\u80fd\u6709\u95dc\u3002FDW \u5141\u8a31 PostgreSQL \u8a2a\u554f\u5b58\u5132\u65bc\u5916\u90e8\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u3002\u7576\u51fa\u73fe\u6b64\u932f\u8aa4\u6642\uff0c\u8868\u793a FDW \u5728\u8655\u7406\u67e5\u8a62\u6642\u5167\u5b58\u4e0d\u8db3\u3002<\/p>\n<p>\u9020\u6210\u6b64\u932f\u8aa4\u7684\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u5206\u914d\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u5206\u914d\u7d66 FDW \u7684\u5167\u5b58\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4 HV001 \u932f\u8aa4\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728 FDW \u8655\u7406\u5927\u91cf\u6578\u64da\u6216\u7cfb\u7d71\u8cc7\u6e90\u6709\u9650\u6642\u3002<\/li>\n<li><strong>\u67e5\u8a62\u904e\u65bc\u8907\u96dc\uff1a<\/strong>\u6d89\u53ca\u8907\u96dc\u9023\u63a5\u3001\u5b50\u67e5\u8a62\u6216\u805a\u5408\u7684\u67e5\u8a62\u6703\u6d88\u8017\u5927\u91cf\u5167\u5b58\u3002\u5982\u679c FDW \u7121\u6cd5\u5206\u914d\u8db3\u5920\u7684\u5167\u5b58\u4f86\u8655\u7406\u9019\u4e9b\u67e5\u8a62\uff0c\u5247\u53ef\u80fd\u6703\u767c\u751f HV001 \u932f\u8aa4\u3002<\/li>\n<li><strong>\u670d\u52d9\u5668\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u8a17\u7ba1 PostgreSQL \u6578\u64da\u5eab\u7684\u670d\u52d9\u5668\u5167\u5b58\u6216\u8655\u7406\u80fd\u529b\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4 HV001 \u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-hv001-fdw_out_of_memory-error-nykSncbUip\">\u4fee\u5fa9 HV001 &#8211; fdw_out_of_memory \u932f\u8aa4<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u89e3\u6c7a HV001 &#8211; fdw_out_of_memory \u932f\u8aa4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-increase-memory-allocation-for-the-fdw-nykSncbUip\">1. \u589e\u52a0 FDW \u7684\u5167\u5b58\u5206\u914d<\/h3>\n<p>\u60a8\u53ef\u4ee5\u5617\u8a66\u589e\u52a0\u5206\u914d\u7d66 FDW \u7684\u5167\u5b58\u4f86\u67e5\u770b\u662f\u5426\u80fd\u89e3\u6c7a\u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539 PostgreSQL \u7684\u914d\u7f6e\u8a2d\u7f6e\u4f86\u5b8c\u6210\u3002\u627e\u5230\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u540d\u70ba postgresql.conf\uff09\uff0c\u4e26\u67e5\u627e <code>shared_buffers<\/code> \u53c3\u6578\u3002\u589e\u52a0\u5176\u503c\u4ee5\u5206\u914d\u66f4\u591a\u5167\u5b58\u7d66 FDW\u3002\u4f46\u662f\uff0c\u8acb\u6ce8\u610f\u4e0d\u8981\u5206\u914d\u904e\u591a\u5167\u5b58\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-optimize-your-queries-nykSncbUip\">2. \u512a\u5316\u60a8\u7684\u67e5\u8a62<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u67e5\u8a62\u904e\u65bc\u8907\u96dc\u4e26\u6d88\u8017\u904e\u591a\u5167\u5b58\uff0c\u8acb\u8003\u616e\u5c0d\u5176\u9032\u884c\u512a\u5316\u3002\u5be9\u67e5\u60a8\u7684\u67e5\u8a62\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u4efb\u4f55\u6548\u7387\u4f4e\u4e0b\u7684\u64cd\u4f5c\uff0c\u4e26\u91cd\u5beb\u67e5\u8a62\u4ee5\u63d0\u9ad8\u5176\u6027\u80fd\u3002\u9019\u53ef\u4ee5\u5305\u62ec\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u3001\u91cd\u5beb\u5b50\u67e5\u8a62\uff0c\u6216\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u5206\u89e3\u70ba\u66f4\u5c0f\u3001\u66f4\u6613\u7ba1\u7406\u7684\u90e8\u5206\u3002<\/p>\n<h3 id=\"3-upgrade-your-server-resources-nykSncbUip\">3. \u5347\u7d1a\u60a8\u7684\u670d\u52d9\u5668\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u5728\u589e\u52a0\u5167\u5b58\u5206\u914d\u548c\u512a\u5316\u67e5\u8a62\u5f8c HV001 \u932f\u8aa4\u4ecd\u7136\u5b58\u5728\uff0c\u5247\u53ef\u80fd\u9700\u8981\u5347\u7d1a\u60a8\u7684\u670d\u52d9\u5668\u8cc7\u6e90\u3002\u8003\u616e\u589e\u52a0\u66f4\u591a\u7684\u5167\u5b58\u6216\u5347\u7d1a\u5230\u6027\u80fd\u66f4\u9ad8\u7684\u670d\u52d9\u5668\uff0c\u4ee5\u78ba\u4fdd PostgreSQL \u548c FDW \u64c1\u6709\u8db3\u5920\u7684\u8cc7\u6e90\u3002<\/p>\n<h3 id=\"4-monitor-and-tune-your-system-nykSncbUip\">4. \u76e3\u63a7\u4e26\u8abf\u6574\u60a8\u7684\u7cfb\u7d71<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\u548c FDW \u7684\u6027\u80fd\u3002\u4f7f\u7528\u5982 <code>pg_stat_statements<\/code> \u548c <code>pg_stat_activity<\/code> \u7b49\u5de5\u5177\u4f86\u8b58\u5225\u4efb\u4f55\u8cc7\u6e90\u5bc6\u96c6\u578b\u67e5\u8a62\u6216\u74f6\u9838\u3002\u6839\u64da\u9700\u8981\u8abf\u6574\u914d\u7f6e\u53c3\u6578\uff0c\u4ee5\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<h2 id=\"summary-nykSncbUip\">\u6458\u8981<\/h2>\n<p>HV001 &#8211; fdw_out_of_memory \u932f\u8aa4\u53ef\u80fd\u662f\u7531\u65bc\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u3001\u67e5\u8a62\u904e\u65bc\u8907\u96dc\u6216\u670d\u52d9\u5668\u8cc7\u6e90\u4e0d\u8db3\u5f15\u8d77\u7684\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u589e\u52a0 FDW \u7684\u5167\u5b58\u5206\u914d\u3001\u512a\u5316\u67e5\u8a62\u3001\u5347\u7d1a\u670d\u52d9\u5668\u8cc7\u6e90\u4ee5\u53ca\u76e3\u63a7\u548c\u8abf\u6574\u7cfb\u7d71\u3002\u5982\u679c\u60a8\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u8acb\u8003\u616e\u6309\u7167\u9019\u4e9b\u6b65\u9a5f\u64cd\u4f5c\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\u9806\u5229\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u8a17\u7ba1\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u8a17\u7ba1\u670d\u52d9\u5c08\u70ba\u6eff\u8db3\u4f01\u696d\u548c\u500b\u4eba\u9700\u6c42\u800c\u8a2d\u8a08\uff0c\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21486","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21486"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21486\/revisions"}],"predecessor-version":[{"id":23984,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21486\/revisions\/23984"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}