{"id":9921,"date":"2023-03-23T10:52:08","date_gmt":"2023-03-23T02:52:08","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=9921"},"modified":"2023-03-23T10:51:55","modified_gmt":"2023-03-23T02:51:55","slug":"ssh-%e5%90%8e%e5%8f%b0%e6%93%8d%e4%bd%9c-kundb-%e4%b8%bb%e5%a4%87%e5%88%87%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=9921","title":{"rendered":"ssh \u540e\u53f0\u64cd\u4f5c KunDB \u4e3b\u5907\u5207\u6362"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<p>\u4e0d\u5efa\u8bae\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u64cd\u4f5c\uff0c\u6b64\u65b9\u6cd5\u53ea\u662f\u4f5c\u4e3a\u65e0\u6cd5\u6253\u5f00 kunctld \u548c orchestrator \u9875\u9762\u65f6\u7684\u5907\u7528\u65b9\u6848\u3002<\/p>\n<p>\u7248\u672c\u4fe1\u606f\uff1akundb-2.1.2-final<br \/>\n\u719f\u6089 kundb \u57fa\u7840\u64cd\u4f5c\uff1a<a href=\"https:\/\/nj.transwarp.cn:8180\/?p=9217\" title=\"kunDB\u8fd0\u7ef4\u4e4b\u5e38\u7528\u67e5\u8be2\u64cd\u4f5c\">kunDB\u8fd0\u7ef4\u4e4b\u5e38\u7528\u67e5\u8be2\u64cd\u4f5c<\/a><\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<p>\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u6b65\uff1a<\/p>\n<ol>\n<li>\u786e\u5b9a\u4e3b\u4ece\u8282\u70b9\u4fe1\u606f<\/li>\n<li>\u68c0\u67e5\u4e3b\u4ece\u72b6\u6001\uff0c\u786e\u4fdd\u6d41\u6c34\u6b63\u5e38\u540c\u6b65<\/li>\n<li>\u540e\u53f0\u547d\u4ee4\u64cd\u4f5c\u4e3b\u5907\u5207\u6362<\/li>\n<li>\u5728\u65b0 master \u8282\u70b9\u4fee\u590d\u4e3b\u4ece\u5173\u7cfb\uff0c\u5e76\u8bbe\u7f6e\u8bfb\u5199\u6a21\u5f0f<\/li>\n<li>\u65e7 master \u8282\u70b9\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\u6a21\u5f0f<\/li>\n<li>\u68c0\u67e5\u5207\u6362\u540e\u7684\u72b6\u6001<\/li>\n<\/ol>\n<hr \/>\n<h4>1.\u786e\u5b9a\u4e3b\u4ece\u8282\u70b9\u4fe1\u606f<\/h4>\n<p>a.\u4efb\u9009\u4e00pod\u8fdb\u5165<\/p>\n<pre><code class=\"language-cpp\">kubectl get po -owide|grep kundb9\nkubectl exec -it kundb-kungate-kundb9-f789df97f-9z6ss bash<\/code><\/pre>\n<p>b.pod\u5185\u6267\u884c\u64cd\u4f5c<\/p>\n<pre><code class=\"language-cpp\">.\/kunctl.sh ListAllTablets transwarp<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677047975432.png\" alt=\"file\" \/><\/p>\n<p>\u7531\u56fe\u4e0a\u53ef\u77e5 master \u6240\u5728\u8282\u70b9\u4e3akundb-02,replica\u6240\u5728\u8282\u70b9\u4e3akundb-00\u3001kundb-01<\/p>\n<h4>2.\u68c0\u67e5\u4e3b\u4ece\u72b6\u6001<\/h4>\n<p>\u5206\u522b\u8fdb\u5165master\u6240\u5728\u8282\u70b9Pod\u548c\u53e6\u5916\u4e24\u4e2a\u5907\u8282\u70b9pod\u5185\uff0c\u8fde\u63a5\u5e95\u5c42mysql<\/p>\n<pre><code class=\"language-cpp\">show slave status \\G<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677054671336.png\" alt=\"file\" \/><\/p>\n<p>\u901a\u8fc7\u5728\u5907\u8282\u70b9\u6267\u884c\u540e\u83b7\u53d6\uff0c\u5176\u4e2d<br \/>\nMaster host\u4e3a master\u8282\u70b9\u4fe1\u606f<br \/>\nSlave_IO_Running: yes;Slave_SQL_running yes; \u4e3b\u5907\u540c\u6b65\u6b63\u5e38<br \/>\nSlave_SQL_Running_state \u65e0\u6d41\u6c34\u843d\u540e\u60c5\u51b5 \u6b63\u5e38<\/p>\n<p>\u53e6\u5916\u6bcf\u4e2a\u5e95\u5c42\u5747\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u786e\u4fddmaster\u6240\u5728\u8282\u70b9GTID\u591a\u4e8e\u6216\u7b49\u4e8ereplica\u7684\u503c<\/p>\n<pre><code class=\"language-cpp\">show master status \\G<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677055054621.png\" alt=\"file\" \/><\/p>\n<p><strong>\u6ce8\u610f:\u9700\u786e\u4fdd\u4ee5\u4e0a\u4fe1\u606f\u5747\u6b63\u5e38\u65b9\u80fd\u6267\u884c\u63a5\u4e0b\u6765\u64cd\u4f5c<\/strong><\/p>\n<h4>3.\u64cd\u4f5c\u4e3b\u5907\u5207\u6362(\u4efb\u610f\u4e00\u4e2a kungate pod \u5185\u6267\u884c)<\/h4>\n<p>\u5982\u679c\u662f\u5206\u5e03\u5f0f\u7248\u672c\u9700\u8fdb\u5165kunctld\u5bb9\u5668\u5185\u6267\u884c<\/p>\n<p>a.\u4efb\u9009\u4e00\u4e2a kungate pod \u5185\u6267\u884c\u547d\u4ee4<br \/>\n\u5c06master\u753102\u8282\u70b9\u5207\u6362\u523000\u8282\u70b9\uff0c\u76f8\u5f53\u4e8e\u6267\u884c&quot;\u5916\u90e8\u91cd\u7ec4&quot;\u64cd\u4f5c<\/p>\n<pre><code class=\"language-cpp\">.\/kunctl.sh TabletExternallyReparented transwarp-0000000001<\/code><\/pre>\n<p>\u5176\u4e2dtranswarp-0000000001\u5bf9\u5e9400\u8282\u70b9 \u4ece\u4e0a\u56fe\u56fe\u6807\u2460\u83b7\u53d6<\/p>\n<h4>4.\u4fee\u590d\u4e3b\u4ece\u5173\u7cfb\uff08\u65b0\u7684 master \u8282\u70b9\u7684 kungate pod \u5185\u6267\u884c\uff09<\/h4>\n<p>b.\u6062\u590d\u4e3b\u4ece\u5173\u7cfb<br \/>\n\u6b64\u65f6\u4e3b\u5907\u5173\u7cfb\u5df2\u53d1\u751f\u8f6c\u6362 \u76ee\u524d00\u8282\u70b9\u4e3amaster\uff1b<br \/>\n\u56e0\u624b\u52a8\u6267\u884c\u4e3b\u5907\u5207\u6362\u540e\uff0c\u4e3b\u4ece\u5173\u7cfb\u4e5f\u4f1a\u53d1\u751f\u6539\u53d8\uff0c\u9700\u91cd\u65b0\u786e\u7acb\uff0c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c<br \/>\n\u8fdb\u5165\u65b0\u4e3b\u6240\u5728pod\u5185\uff0c\u8fde\u4e0a\u5e95\u5c42mysql<\/p>\n<pre><code class=\"language-cpp\">kubectl exec -it kundb-kungate-kundb9-f789df97f-t8tlm bash\nps -ef |grep mysqld\nmysql --socket=\/vdir\/mnt\/disk1\/kundb9\/vt_0000000001\/mysql.sock<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677059797194.png\" alt=\"file\" \/><\/p>\n<p>\u767b\u9646\u5230\u65b0\u4e3b\u5e95\u5c42mysql\u540e\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c<\/p>\n<pre><code class=\"language-cpp\">stop slave;reset slave all;<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677059851028.png\" alt=\"file\" \/><\/p>\n<h4>5.\u4fee\u6539\u8bfb\u5199\u6a21\u5f0f<\/h4>\n<p>\u539f\u4e3b\u8282\u70b9\u7684\u53c2\u6570 read-only \u672a\u53d1\u751f\u6539\u53d8\uff0c\u9700\u624b\u52a8\u4fee\u6539\u6210 read_only=true<br \/>\n\u8fdb\u5165\u539f\u4e3b\u8282\u70b9\u7684 kungate pod \u5185\uff0c\u8fde\u63a5\u5e95\u5c42 mysql\uff08\u73b0\u5728\u4e3a\u5907\u8282\u70b9\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677059987730.png\" alt=\"file\" \/><\/p>\n<p>\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c<\/p>\n<pre><code class=\"language-cpp\">set global read_only=true;<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/02\/image-1677060001656.png\" alt=\"file\" \/><\/p>\n<h4>6.\u68c0\u67e5\u5207\u6362\u540e\u7684\u72b6\u6001<\/h4>\n<p>\u6700\u540e\u53ef\u5230\u6bcf\u4e2areplica\u7684pod\u5e95\u5c42\u6267\u884c\u547d\u4ee4\u68c0\u67e5\u662f\u5426\u6b63\u5e38<\/p>\n<pre><code class=\"language-cpp\">show slave status \\G<\/code><\/pre>\n<p>\u901a\u8fc7\u5728\u5907\u8282\u70b9\u6267\u884c\u540e\u83b7\u53d6<br \/>\nMaster host\u4e3a kundb-00 \uff08\u65b0\u4e3b\uff09<br \/>\nSlave_IO_Running: yes;Slave_SQL_running yes; \u4e3b\u5907\u540c\u6b65\u6b63\u5e38<br \/>\nSlave_SQL_Running_state \u65e0\u6d41\u6c34\u843d\u540e\u60c5\u51b5 \u6b63\u5e38<br \/>\n\u81f3\u6b64\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 \u4e0d\u5efa\u8bae\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u64cd\u4f5c\uff0c\u6b64\u65b9\u6cd5\u53ea\u662f\u4f5c\u4e3a\u65e0\u6cd5\u6253\u5f00 kunctld \u548c orchestrator \u9875\u9762\u65f6 ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=9921\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9921","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9921"}],"version-history":[{"count":3,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9921\/revisions"}],"predecessor-version":[{"id":9926,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9921\/revisions\/9926"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}