{"id":177903,"date":"2024-11-08T16:31:23","date_gmt":"2024-11-08T08:31:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177903\/"},"modified":"2024-11-08T16:31:24","modified_gmt":"2024-11-08T08:31:24","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41233-sqlstate-hy000-er_var_cant_be_read-%e8%ae%8a%e9%87%8fs%e5%8f%aa%e8%83%bd%e8%a8%ad%e7%bd%ae%ef%bc%8c%e4%b8%8d%e8%83%bd%e8%ae%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177903\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41233 &#8211; SQLSTATE: HY000 (ER_VAR_CANT_BE_READ) \u8b8a\u91cf&#8217;%s&#8217;\u53ea\u80fd\u8a2d\u7f6e\uff0c\u4e0d\u80fd\u8b80\u53d6"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41233-sqlstate-hy000-er_var_cant_be_read-%e8%ae%8a%e9%87%8fs%e5%8f%aa%e8%83%bd%e8%a8%ad%e7%bd%ae%ef%bc%8c%e4%b8%8d%e8%83%bd%e8%ae%80-DdYkZflOnY\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41233 &#8211; SQLSTATE: HY000 (ER_VAR_CANT_BE_READ) \u8b8a\u91cf&#8217;%s&#8217;\u53ea\u80fd\u8a2d\u7f6e\uff0c\u4e0d\u80fd\u8b80\u53d6<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc1233\uff0c\u986f\u793a\u70ba\u201cSQLSTATE: HY000 (ER_VAR_CANT_BE_READ) \u8b8a\u91cf&#8217;%s&#8217;\u53ea\u80fd\u8a2d\u7f6e\uff0c\u4e0d\u80fd\u8b80\u53d6\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u8b80\u53d6\u67d0\u4e9b\u7cfb\u7d71\u8b8a\u91cf\u6642\uff0c\u800c\u9019\u4e9b\u8b8a\u91cf\u50c5\u5141\u8a31\u8a2d\u7f6e\u800c\u4e0d\u5141\u8a31\u8b80\u53d6\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-DdYkZflOnY\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u4e2d\u7684\u8b8a\u91cf\u53ef\u4ee5\u5206\u70ba\u5169\u985e\uff1a\u5168\u5c40\u8b8a\u91cf\u548c\u6703\u8a71\u8b8a\u91cf\u3002\u67d0\u4e9b\u8b8a\u91cf\u8a2d\u8a08\u70ba\u53ea\u80fd\u8a2d\u7f6e\uff0c\u7121\u6cd5\u8b80\u53d6\u3002\u4f8b\u5982\uff0c\u7576\u4f60\u5617\u8a66\u4f7f\u7528 <code>SELECT @@variable_name<\/code> \u4f86\u8b80\u53d6\u9019\u4e9b\u8b8a\u91cf\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa41233\u3002\u9019\u4e9b\u8b8a\u91cf\u901a\u5e38\u8207MySQL\u7684\u914d\u7f6e\u6216\u904b\u884c\u6642\u884c\u70ba\u6709\u95dc\uff0c\u4e26\u4e0d\u6703\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e5%b0%8e%e8%87%b4%e9%8c%af%e8%aa%a4%e7%9a%84%e8%ae%8a%e9%87%8f-DdYkZflOnY\">\u5e38\u898b\u7684\u5c0e\u81f4\u932f\u8aa4\u7684\u8b8a\u91cf<\/h2>\n<ul>\n<li><code>innodb_flush_log_at_trx_commit<\/code><\/li>\n<li><code>innodb_flush_method<\/code><\/li>\n<li><code>innodb_log_file_size<\/code><\/li>\n<\/ul>\n<p>\u9019\u4e9b\u8b8a\u91cf\u7684\u8a2d\u7f6e\u53ef\u4ee5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u4f46\u5728\u67e5\u8a62\u6642\u537b\u7121\u6cd5\u7372\u53d6\u5176\u503c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4-DdYkZflOnY\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u4f60\u662f\u5426\u5728\u5617\u8a66\u8b80\u53d6\u4e00\u500b\u53ea\u80fd\u8a2d\u7f6e\u7684\u8b8a\u91cf\u3002\u5982\u679c\u662f\uff0c\u5247\u9700\u8981\u6539\u8b8a\u67e5\u8a62\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%ae%8a%e9%87%8f%e7%9a%84%e5%8f%af%e8%ae%80%e6%80%a7-DdYkZflOnY\">1. \u6aa2\u67e5\u8b8a\u91cf\u7684\u53ef\u8b80\u6027<\/h3>\n<p>\u5728\u57f7\u884c\u67e5\u8a62\u4e4b\u524d\uff0c\u9996\u5148\u6aa2\u67e5\u8a72\u8b8a\u91cf\u662f\u5426\u53ef\u4ee5\u88ab\u8b80\u53d6\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SHOW VARIABLES LIKE 'variable_name';<\/code> \u4f86\u67e5\u770b\u8b8a\u91cf\u7684\u72c0\u614b\u3002\u5982\u679c\u8a72\u8b8a\u91cf\u4e0d\u5728\u53ef\u8b80\u53d6\u7684\u7bc4\u570d\u5167\uff0c\u5247\u9700\u8981\u8003\u616e\u5176\u4ed6\u65b9\u6cd5\u4f86\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8set%e5%91%bd%e4%bb%a4%e8%a8%ad%e7%bd%ae%e8%ae%8a%e9%87%8f-DdYkZflOnY\">2. \u4f7f\u7528SET\u547d\u4ee4\u8a2d\u7f6e\u8b8a\u91cf<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u8a2d\u7f6e\u67d0\u500b\u8b8a\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SET @@variable_name = value;<\/code> \u4f86\u9032\u884c\u8a2d\u7f6e\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5617\u8a66\u8b80\u53d6\u8a72\u8b8a\u91cf\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e9%96%b1%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94-DdYkZflOnY\">3. \u67e5\u95b1\u5b98\u65b9\u6587\u6a94<\/h3>\n<p>MySQL\u7684\u5b98\u65b9\u6587\u6a94\u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u8b8a\u91cf\u5217\u8868\u53ca\u5176\u5c6c\u6027\u3002\u67e5\u95b1\u9019\u4e9b\u6587\u6a94\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3\u54ea\u4e9b\u8b8a\u91cf\u662f\u53ef\u8b80\u7684\uff0c\u54ea\u4e9b\u662f\u50c5\u53ef\u8a2d\u7f6e\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u51fa\u73fe\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-DdYkZflOnY\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6b63\u78ba\u8a2d\u7f6e\u548c\u67e5\u8a62\u8b8a\u91cf\uff1a<\/p>\n<pre><code>-- \u8a2d\u7f6e\u8b8a\u91cf\nSET @@innodb_flush_log_at_trx_commit = 1;\n\n-- \u5617\u8a66\u8b80\u53d6\u8b8a\u91cf\uff08\u9019\u5c07\u5c0e\u81f4\u932f\u8aa4\uff09\nSELECT @@innodb_flush_log_at_trx_commit; -- \u9019\u88e1\u6703\u51fa\u73fe\u932f\u8aa4\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DdYkZflOnY\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41233\u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u8b80\u53d6\u53ea\u80fd\u8a2d\u7f6e\u7684\u8b8a\u91cf\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u8b8a\u91cf\u7684\u53ef\u8b80\u6027\u3001\u4f7f\u7528SET\u547d\u4ee4\u8a2d\u7f6e\u8b8a\u91cf\u4ee5\u53ca\u67e5\u95b1\u5b98\u65b9\u6587\u6a94\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u9019\u500b\u932f\u8aa4\u3002\u5728\u9032\u884c\u6578\u64da\u5eab\u958b\u767c\u6642\uff0c\u4e86\u89e3MySQL\u7684\u8b8a\u91cf\u7279\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u958b\u767c\u6548\u7387\u4e26\u6e1b\u5c11\u932f\u8aa4\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41233 (SQLSTATE: HY000) \u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u8b8a\u91cf&#8217;%s&#8217;\u53ea\u80fd\u8a2d\u7f6e\u800c\u4e0d\u80fd\u8b80\u53d6\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\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-177903","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177903","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=177903"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177903\/revisions"}],"predecessor-version":[{"id":177904,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177903\/revisions\/177904"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}