{"id":178548,"date":"2024-11-08T18:53:21","date_gmt":"2024-11-08T10:53:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178548\/"},"modified":"2024-11-08T18:53:22","modified_gmt":"2024-11-08T10:53:22","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42020-cr_net_packet_too_large-%e6%94%b6%e5%88%b0%e7%9a%84%e6%95%b0%e6%8d%ae%e5%8c%85%e8%b6%85%e8%bf%87%e4%ba%86max_allowed_packet","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178548\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42020 &#8211; (CR_NET_PACKET_TOO_LARGE) \u6536\u5230\u7684\u6570\u636e\u5305\u8d85\u8fc7\u4e86&#8217;max_allowed_packet&#8217;\u5b57\u8282"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42020-cr_net_packet_too_large-%e6%94%b6%e5%88%b0%e7%9a%84%e6%95%b0%e6%8d%ae%e5%8c%85%e8%b6%85%e8%bf%87%e4%ba%86max_allowed_packet-WWYdWEZAHI\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42020 &#8211; (CR_NET_PACKET_TOO_LARGE) \u6536\u5230\u7684\u6570\u636e\u5305\u8d85\u8fc7\u4e86&#8217;max_allowed_packet&#8217;\u5b57\u8282<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa42020\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cCR_NET_PACKET_TOO_LARGE\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u6536\u5230\u7684\u6578\u64da\u5305\u8d85\u904e\u4e86MySQL\u914d\u7f6e\u4e2d\u7684&#8217;max_allowed_packet&#8217;\u5b57\u7bc0\u9650\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-WWYdWEZAHI\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u7684&#8217;max_allowed_packet&#8217;\u53c3\u6578\u5b9a\u7fa9\u4e86\u55ae\u500b\u6578\u64da\u5305\u7684\u6700\u5927\u5927\u5c0f\u3002\u7576\u5ba2\u6236\u7aef\u767c\u9001\u7684\u8acb\u6c42\u6578\u64da\u5305\u8d85\u904e\u9019\u500b\u9650\u5236\u6642\uff0cMySQL\u5c07\u7121\u6cd5\u8655\u7406\u8a72\u8acb\u6c42\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa42020\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u91cf\u904e\u5927\uff0c\u4f8b\u5982\u5927\u6587\u672c\u5b57\u6bb5\u6216\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528\u4e86\u5927\u578b\u7684SQL\u67e5\u8a62\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6279\u91cf\u63d2\u5165\u6642\u3002<\/li>\n<li>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u672a\u6b63\u78ba\u8655\u7406\u6578\u64da\uff0c\u5c0e\u81f4\u767c\u9001\u4e86\u904e\u5927\u7684\u6578\u64da\u5305\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e7%9a%84max_allowed_packet%e8%a8%ad%e7%bd%ae-WWYdWEZAHI\">\u5982\u4f55\u6aa2\u67e5\u7576\u524d\u7684&#8217;max_allowed_packet&#8217;\u8a2d\u7f6e<\/h2>\n<p>\u5728\u89e3\u6c7a\u6b64\u554f\u984c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684&#8217;max_allowed_packet&#8217;\u8a2d\u7f6e\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'max_allowed_packet';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u7684&#8217;max_allowed_packet&#8217;\u503c\uff0c\u901a\u5e38\u4ee5\u5b57\u7bc0\u70ba\u55ae\u4f4d\u986f\u793a\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a42020-WWYdWEZAHI\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa42020<\/h2>\n<p>\u4fee\u5fa9\u932f\u8aa42020\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u589e\u52a0&#8217;max_allowed_packet&#8217;\u7684\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%94%b9mysql%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-WWYdWEZAHI\">1. \u4fee\u6539MySQL\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u627e\u5230MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff0c\u5177\u9ad4\u4f4d\u7f6e\u53d6\u6c7a\u65bc\u64cd\u4f5c\u7cfb\u7d71\u548c\u5b89\u88dd\u65b9\u5f0f\u3002\u6253\u958b\u8a72\u6587\u4ef6\uff0c\u4e26\u5728[mysqld]\u90e8\u5206\u4e2d\u6dfb\u52a0\u6216\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>max_allowed_packet=64M<\/code><\/pre>\n<p>\u9019\u88e1\u768464M\u662f\u793a\u4f8b\u503c\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u70ba\u66f4\u5927\u7684\u503c\uff0c\u4f8b\u5982128M\u6216256M\u3002<\/p>\n<h3 id=\"2-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95mysql%e6%9c%8d%e5%8b%99-WWYdWEZAHI\">2. \u91cd\u65b0\u555f\u52d5MySQL\u670d\u52d9<\/h3>\n<p>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u5f8c\uff0c\u9700\u8981\u91cd\u65b0\u555f\u52d5MySQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo service mysql restart<\/code><\/pre>\n<h3 id=\"3-%e9%a9%97%e8%ad%89%e6%9b%b4%e6%94%b9-WWYdWEZAHI\">3. \u9a57\u8b49\u66f4\u6539<\/h3>\n<p>\u91cd\u65b0\u555f\u52d5\u5f8c\uff0c\u518d\u6b21\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\u4ee5\u78ba\u8a8d&#8217;max_allowed_packet&#8217;\u7684\u503c\u5df2\u7d93\u66f4\u65b0\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'max_allowed_packet';<\/code><\/pre>\n<h2 id=\"%e5%85%b6%e4%bb%96%e8%80%83%e6%85%ae%e5%9b%a0%e7%b4%a0-WWYdWEZAHI\">\u5176\u4ed6\u8003\u616e\u56e0\u7d20<\/h2>\n<p>\u9664\u4e86\u589e\u52a0&#8217;max_allowed_packet&#8217;\u7684\u5927\u5c0f\u5916\uff0c\u9084\u61c9\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u8655\u7406\u908f\u8f2f\uff0c\u78ba\u4fdd\u4e0d\u6703\u767c\u9001\u904e\u5927\u7684\u6578\u64da\u5305\u3002<\/li>\n<li>\u5982\u679c\u4f7f\u7528ORM\u6846\u67b6\uff0c\u6aa2\u67e5\u5176\u914d\u7f6e\uff0c\u78ba\u4fdd\u4e0d\u6703\u751f\u6210\u904e\u5927\u7684SQL\u67e5\u8a62\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u4ee5\u9069\u61c9\u696d\u52d9\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WWYdWEZAHI\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa42020\uff08CR_NET_PACKET_TOO_LARGE\uff09\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u5305\u8d85\u904e\u4e86&#8217;max_allowed_packet&#8217;\u7684\u9650\u5236\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u589e\u52a0\u8a72\u53c3\u6578\u7684\u503c\u4e26\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u8655\u7406\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u6027\u80fd\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa42020 (CR_NET_PACKET_TOO_LARGE) \u7684\u65b9\u6cd5\uff0c\u8abf\u6574&#8217;max_allowed_packet&#8217;\u8a2d\u7f6e\u4ee5\u89e3\u6c7a\u6578\u64da\u5305\u5927\u5c0f\u8d85\u9650\u554f\u984c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178548","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178548","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178548"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178548\/revisions"}],"predecessor-version":[{"id":178549,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178548\/revisions\/178549"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}