{"id":176315,"date":"2024-11-08T11:52:42","date_gmt":"2024-11-08T03:52:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176315\/"},"modified":"2024-11-08T11:52:43","modified_gmt":"2024-11-08T03:52:43","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-er_sync_slave_report_host_too_long","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176315\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-er_sync_slave_report_host_too_long-JDbqkCCRLz\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f <code>ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4e3b\u5f9e\u8907\u88fd\u7684\u74b0\u5883\u4e2d\uff0c\u7576\u5f9e\u4f3a\u670d\u5668\u7684\u5831\u544a\u4e3b\u6a5f\u540d\u7a31\u904e\u9577\u6642\uff0c\u5c31\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e6%88%90%e5%9b%a0-JDbqkCCRLz\">\u932f\u8aa4\u6210\u56e0<\/h2>\n<p>\u5728MySQL\u7684\u4e3b\u5f9e\u8907\u88fd\u67b6\u69cb\u4e2d\uff0c\u5f9e\u4f3a\u670d\u5668\u9700\u8981\u5411\u4e3b\u4f3a\u670d\u5668\u5831\u544a\u5176\u72c0\u614b\u3002\u9019\u500b\u5831\u544a\u4e2d\u5305\u542b\u4e86\u5f9e\u4f3a\u670d\u5668\u7684\u4e3b\u6a5f\u540d\u7a31\u3002\u5982\u679c\u9019\u500b\u4e3b\u6a5f\u540d\u7a31\u8d85\u904e\u4e86MySQL\u6240\u5141\u8a31\u7684\u6700\u5927\u9577\u5ea6\uff0c\u5c31\u6703\u51fa\u73fe <code>ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG<\/code> \u932f\u8aa4\u3002\u6839\u64daMySQL\u7684\u6587\u6a94\uff0c\u4e3b\u6a5f\u540d\u7a31\u7684\u6700\u5927\u9577\u5ea6\u70ba <code>255<\/code> \u500b\u5b57\u7b26\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e4%b8%bb%e6%a9%9f%e5%90%8d%e7%a8%b1-JDbqkCCRLz\">\u5982\u4f55\u6aa2\u67e5\u4e3b\u6a5f\u540d\u7a31<\/h2>\n<p>\u8981\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u5f9e\u4f3a\u670d\u5668\u7684\u4e3b\u6a5f\u540d\u7a31\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684\u4e3b\u6a5f\u540d\u7a31\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'hostname';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u4e3b\u6a5f\u540d\u7a31\u8d85\u904e\u4e86255\u500b\u5b57\u7b26\uff0c\u5247\u9700\u8981\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-JDbqkCCRLz\">\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e4%bf%ae%e6%94%b9%e4%b8%bb%e6%a9%9f%e5%90%8d%e7%a8%b1-JDbqkCCRLz\">\u6b65\u9a5f\u4e00\uff1a\u4fee\u6539\u4e3b\u6a5f\u540d\u7a31<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u6539\u5f9e\u4f3a\u670d\u5668\u7684\u4e3b\u6a5f\u540d\u7a31\uff1a<\/p>\n<pre><code>SET GLOBAL hostname = '\u65b0\u4e3b\u6a5f\u540d\u7a31';<\/code><\/pre>\n<p>\u8acb\u78ba\u4fdd\u65b0\u4e3b\u6a5f\u540d\u7a31\u7684\u9577\u5ea6\u4e0d\u8d85\u904e255\u500b\u5b57\u7b26\u3002\u4fee\u6539\u5f8c\uff0c\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 <code>SHOW VARIABLES LIKE 'hostname';<\/code> \u547d\u4ee4\u4f86\u78ba\u8a8d\u66f4\u6539\u662f\u5426\u6210\u529f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e9%87%8d%e5%95%9fmysql%e6%9c%8d%e5%8b%99-JDbqkCCRLz\">\u6b65\u9a5f\u4e8c\uff1a\u91cd\u555fMySQL\u670d\u52d9<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4fee\u6539\u4e3b\u6a5f\u540d\u7a31\u5f8c\u9700\u8981\u91cd\u555fMySQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u555fMySQL\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart mysql<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%aa%a2%e6%9f%a5%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd%e7%8b%80%e6%85%8b-JDbqkCCRLz\">\u6b65\u9a5f\u4e09\uff1a\u6aa2\u67e5\u4e3b\u5f9e\u8907\u88fd\u72c0\u614b<\/h3>\n<p>\u91cd\u555f\u670d\u52d9\u5f8c\uff0c\u6aa2\u67e5\u4e3b\u5f9e\u8907\u88fd\u7684\u72c0\u614b\u4ee5\u78ba\u4fdd\u4e00\u5207\u6b63\u5e38\u904b\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u8907\u88fd\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW SLAVE STATUSG;<\/code><\/pre>\n<p>\u6aa2\u67e5 <code>Slave_IO_Running<\/code> \u548c <code>Slave_SQL_Running<\/code> \u7684\u503c\u662f\u5426\u70ba <code>Yes<\/code>\uff0c\u9019\u8868\u793a\u5f9e\u4f3a\u670d\u5668\u5df2\u7d93\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e5%85%b6%e4%bb%96%e8%80%83%e6%85%ae%e5%9b%a0%e7%b4%a0-JDbqkCCRLz\">\u5176\u4ed6\u8003\u616e\u56e0\u7d20<\/h2>\n<p>\u9664\u4e86\u4e3b\u6a5f\u540d\u7a31\u904e\u9577\u5916\uff0c\u9084\u6709\u5176\u4ed6\u56e0\u7d20\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u7db2\u7d61\u554f\u984c\u6216\u914d\u7f6e\u932f\u8aa4\u4e5f\u53ef\u80fd\u5f71\u97ff\u4e3b\u5f9e\u8907\u88fd\u7684\u6b63\u5e38\u904b\u884c\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u548cMySQL\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JDbqkCCRLz\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9 <code>ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG<\/code> \u932f\u8aa4\u7684\u95dc\u9375\u5728\u65bc\u78ba\u4fdd\u5f9e\u4f3a\u670d\u5668\u7684\u4e3b\u6a5f\u540d\u7a31\u4e0d\u8d85\u904e255\u500b\u5b57\u7b26\u3002\u901a\u904e\u4fee\u6539\u4e3b\u6a5f\u540d\u7a31\u3001\u91cd\u555fMySQL\u670d\u52d9\u4ee5\u53ca\u6aa2\u67e5\u4e3b\u5f9e\u8907\u88fd\u72c0\u614b\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4ER_SYNC_SLAVE_REPORT_HOST_TOO_LONG\uff0c\u89e3\u6c7a\u4e3b\u5f9e\u8907\u88fd\u4e2d\u7684\u4e3b\u6a5f\u540d\u7a31\u904e\u9577\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u540c\u6b65\u6b63\u5e38\u904b\u884c\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-176315","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176315","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=176315"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176315\/revisions"}],"predecessor-version":[{"id":176316,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176315\/revisions\/176316"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}