{"id":10846,"date":"2023-09-14T11:00:26","date_gmt":"2023-09-14T03:00:26","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=10846"},"modified":"2023-09-14T11:00:13","modified_gmt":"2023-09-14T03:00:13","slug":"%e5%9f%ba%e4%ba%8e-kundb-%e7%9a%84-tdc-%e7%8e%af%e5%a2%83%e5%a4%87%e4%bb%bd%e5%85%83%e6%95%b0%e6%8d%ae%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=10846","title":{"rendered":"\u57fa\u4e8e KunDB \u7684 TDC \u73af\u5883\u5907\u4efd\u5143\u6570\u636e\u7684\u65b9\u6cd5"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<p>\u672c\u6587\u4e3b\u8981\u63cf\u8ff0\u57fa\u4e8e KunDB \u7684 TDC \u73af\u5883\uff08\u4f8b\u5982\u7248\u672c\u53f7 &gt;= 3.x\uff09\u5907\u4efd\u5143\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u3002\u8be5\u65b9\u6848\u4e0e\u8001\u7248\u672c\u57fa\u4e8e TxSQL \u7684 TDC \u73af\u5883\u7565\u6709\u4e0d\u540c\uff0c\u7279\u6b64\u8bf4\u660e\u3002<\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<p>\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\u5373\u53ef\u3002<\/p>\n<h4>\u67e5\u770b\u5143\u6570\u636e\u5e93 Pod<\/h4>\n<p>\u767b\u5f55 TDC Master \u8282\u70b9\uff0c\u4ee5 root \u7528\u6237\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-bash\">kubectl -ntdcsys get po -owide | grep kundb<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694656625032.png\" alt=\"file\" \/><\/p>\n<p>\u7ed3\u679c\u7684\u7b2c\u4e00\u5217\u5373\u4e3a TDC \u5143\u6570\u636e\u5e93 KunDB \u7684 Pod \u540d\u79f0\uff0c\u4f8b\u5982\u4e0a\u56fe\u4e2d\u7684<code>kundb-r56h6-0<\/code>\u3001<code>kundb-r56h6-1<\/code>\u3001<code>kundb-r56h6-2<\/code>\uff0c\u5171\u67093\u4e2a Pod \u3002<\/p>\n<h4>\u67e5\u770b\u6bcf\u4e2a KunDB Pod \u4e2d MySQL \u7684 server id<\/h4>\n<p><strong>\u5bf9\u4e0a\u4e00\u6b65\u627e\u5230\u7684\u6bcf\u4e2a KunDB Pod \uff0c\u90fd\u8fdb\u884c\u5982\u4e0b\u64cd\u4f5c\u3002<\/strong><\/p>\n<ul>\n<li>\u8fdb\u5165 Pod \u5185\u90e8<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">kubectl -ntdcsys exec -it {Pod \u540d} bash<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694656946111.png\" alt=\"file\" \/><\/p>\n<ul>\n<li>\u67e5\u770b MySQL \u8fdb\u7a0b\u4fe1\u606f<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">ps -ef | grep mysqld<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694657027640.png\" alt=\"file\" \/><\/p>\n<p>\u8bb0\u4e0b<code>--socket<\/code>\u53c2\u6570\u53ca\u5176\u503c\uff0c\u4f8b\u5982\u4e0a\u56fe\u4e2d\u7684<code>--socket=\/vt\/vtdataroot\/vt_0000000001\/mysql.sock<\/code>\u3002<\/p>\n<ul>\n<li>\u8fdb\u5165\u672c\u5730 MySQL Shell<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">mysql --socket={\u521a\u624d\u67e5\u5230\u7684 socket \u503c}<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694657155482.png\" alt=\"file\" \/><\/p>\n<ul>\n<li>\u67e5\u770b\u5e76\u8bb0\u4e0b server id<\/li>\n<\/ul>\n<pre><code class=\"language-sql\">select @@server_id;<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694657234050.png\" alt=\"file\" \/><\/p>\n<p>\u4f8b\u5982\u8be5 MySQL \u7684 server id \u5373\u4e3a<code>1473990508<\/code>\uff0c\u5176\u5bf9\u5e94\u7684 Pod \u540d\u5219\u662f<code>kundb-r56h6-0<\/code>\uff0c\u8bb0\u4e0b\u8be5\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n<p>\u8bb0\u5f55\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5<code>exit<\/code>\u9000\u51fa MySQL Shell \u5e76\u518d\u6b21<code>exit<\/code>\u9000\u51fa Pod \u3002<\/p>\n<ul>\n<li>\u5bf9\u5176\u4ed6 Pod \u91cd\u590d\u4e0a\u8ff0\u6b65\u9aa4<\/li>\n<\/ul>\n<p>\u5bf9\u5176\u4ed6 KunDB Pod \u91cd\u590d\u505a\u4ee5\u4e0a\u64cd\u4f5c\uff0c\u5e76\u6700\u7ec8\u8bb0\u4e0b MySQL server id \u4e0e Pod \u7684\u5bf9\u5e94\u5173\u7cfb\u3002\u6700\u7ec8\u53ef\u4ee5\u5f97\u5230\u5168\u90e83\u4e2a Pod \u4e0e\u5176 server id \u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>kundb-r56h6-0 : 1473990508\n\nkundb-r56h6-1 : 346837982\n\nkundb-r56h6-2 : 1327682539<\/code><\/pre>\n<h4>\u67e5\u770b KunDB \u96c6\u7fa4\u5f53\u524d\u7684 server id<\/h4>\n<p>\u5728 Master \u8282\u70b9\u6267\u884c<\/p>\n<pre><code class=\"language-bash\">kubectl -ntdcsys exec -it {\u4efb\u610f\u4e00\u4e2a KunDB Pod \u540d} -- mysql -h127.0.0.1 -P3306 -uvt_app -ptranswarp<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694657976008.png\" alt=\"file\" \/><\/p>\n<p>\u67e5\u8be2\u5f53\u524d\u7684 server id<\/p>\n<pre><code class=\"language-sql\">select @@server_id;<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694658017161.png\" alt=\"file\" \/><\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u770b\u51fa\u5f53\u524d KunDB \u96c6\u7fa4\u7684 server id \u4e3a <code>1473990508<\/code>\u3002<\/p>\n<h4>\u786e\u5b9a KunDB \u4e3b\u8282\u70b9<\/h4>\n<p>\u57fa\u4e8e\u521a\u624d\u67e5\u5230\u7684 KunDB \u96c6\u7fa4\u5f53\u524d\u7684 server id \u548c\u6240\u6709 KunDB Pod \u4e0e server id \u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u53ef\u4ee5\u786e\u5b9a\u5f53\u524d KunDB \u96c6\u7fa4\u7684\u4e3b\u8282\u70b9\u662f\u54ea\u4e2a Pod \u3002<\/p>\n<p>\u4f8b\u5982\u672c\u4f8b\u4e2d\uff0c\u6839\u636e KunDB \u96c6\u7fa4\u7684 server id <code>1473990508<\/code> \u67e5\u770b\u518d\u4e0a\u4e00\u6b65\u5f97\u5230\u5bf9\u5e94\u5173\u7cfb\uff0c\u53ef\u4ee5\u5f97\u5230\u5f53\u524d\u7684\u4e3b\u8282\u70b9\u4e3a <code>kundb-r56h6-0<\/code> \u3002<\/p>\n<h4>\u5728 KunDB \u4e3b\u8282\u70b9 Pod \u5907\u4efd\u6570\u636e\u5e93<\/h4>\n<ul>\n<li>\u8fdb\u5165\u4e3b\u8282\u70b9 Pod<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">kubectl -ntdcsys exec -it {\u4e0a\u4e00\u6b65\u786e\u5b9a\u7684 KunDB \u4e3b\u8282\u70b9 Pod \u540d} bash<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694656946111.png\" alt=\"file\" \/><\/p>\n<ul>\n<li>\u67e5\u770b MySQL \u8fdb\u7a0b\u4fe1\u606f<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">ps -ef | grep mysqld<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694657027640.png\" alt=\"file\" \/><\/p>\n<p>\u8bb0\u4e0b<code>--socket<\/code>\u53c2\u6570\u53ca\u5176\u503c\uff0c\u4f8b\u5982\u4e0a\u56fe\u4e2d\u7684<code>--socket=\/vt\/vtdataroot\/vt_0000000001\/mysql.sock<\/code>\u3002<\/p>\n<ul>\n<li>\u4f7f\u7528 mysqldump + nohup \u65b9\u5f0f\u5907\u4efd\u6570\u636e\u5e93<\/li>\n<\/ul>\n<p><em>\u4f7f\u7528 nohup \u662f\u4e3a\u4e86\u9632\u6b62\u5907\u4efd\u65f6\u95f4\u957f\u5bfc\u81f4 Pod \u64cd\u4f5c\u8d85\u65f6\u4ece\u800c\u4e2d\u65ad\u5907\u4efd\u3002<\/em><\/p>\n<pre><code class=\"language-bash\">nohup mysqldump --socket={\u521a\u624d\u67e5\u5230\u7684 socket \u503c} --set-gtid-purged=off --triggers --routines --events --all-databases > \/tmp\/alldata.sql &<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694659327945.png\" alt=\"file\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230 nohup \u8d77\u7684\u540e\u53f0\u8fdb\u7a0b\u53f7\u4e3a<code>8209<\/code>\u3002\u8bb0\u4e0b\u8be5\u8fdb\u7a0b\u53f7\uff0c\u7136\u540e\u53ef<code>Ctrl + C<\/code>\u7ed3\u675f\u63a7\u5236\u53f0\u8f93\u51fa\u3002<\/p>\n<ul>\n<li>\u68c0\u67e5\u540e\u53f0\u8fdb\u7a0b\u662f\u5426\u6267\u884c\u5b8c\u6bd5<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">ps -ef | grep {\u8fdb\u7a0b\u53f7} | grep -v grep<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694659455297.png\" alt=\"file\" \/><\/p>\n<p>\u5982\u679c\u8be5\u547d\u4ee4\u6ca1\u6709\u4efb\u4f55\u8f93\u51fa\uff0c\u8bf4\u660e\u540e\u53f0\u8fdb\u7a0b\u6267\u884c\u5b8c\u4e86\uff1b\u5982\u679c\u8be5\u547d\u4ee4\u8f93\u51fa\u4e86\u8fdb\u7a0b\u4fe1\u606f\uff0c\u8bf4\u660e\u5bfc\u51fa\u8fdb\u7a0b\u8fd8\u5728\u6267\u884c\u4e2d\uff0c\u7b49\u5f85\u51e0\u5206\u949f\u518d\u6b21\u67e5\u770b\uff0c\u76f4\u5230\u8be5\u547d\u4ee4\u6ca1\u6709\u8f93\u51fa\u4e3a\u6b62\u3002<\/p>\n<ul>\n<li>\u67e5\u770b\u5907\u4efd\u6587\u4ef6<\/li>\n<\/ul>\n<p>\u540e\u53f0\u8fdb\u7a0b\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u5bfc\u51fa\u6587\u4ef6\u5373\u4e3a<code>\/tmp\/alldata.sql<\/code>\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694659575224.png\" alt=\"file\" \/><\/p>\n<p>\u786e\u8ba4\u6587\u4ef6\u6ca1\u6709\u95ee\u9898\u53ef<code>exit<\/code>\u9000\u51fa Pod \u3002<\/p>\n<h4>\u5c06\u5907\u4efd\u6587\u4ef6\u62f7\u8d1d\u5230 Master \u8282\u70b9<\/h4>\n<p>\u5728 Master \u8282\u70b9\u6267\u884c<\/p>\n<pre><code class=\"language-bash\">kubectl cp tdcsys\/{KunDB \u4e3b\u8282\u70b9 Pod \u540d}:\/tmp\/alldata.sql \/opt\/alldata.sql<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2023\/09\/image-1694660023887.png\" alt=\"file\" \/><\/p>\n<p>\u8fd9\u6837\u5c31\u5c06\u5907\u4efd\u6587\u4ef6\u62f7\u8d1d\u5230 Master \u8282\u70b9\u7684 <code>\/opt<\/code> \u76ee\u5f55\u4e0b\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 \u672c\u6587\u4e3b\u8981\u63cf\u8ff0\u57fa\u4e8e KunDB \u7684 TDC \u73af\u5883\uff08\u4f8b\u5982\u7248\u672c\u53f7 &gt;= 3.x\uff09\u5907\u4efd\u5143\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u3002 ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=10846\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":81,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[240,36],"tags":[],"class_list":["post-10846","post","type-post","status-publish","format-standard","hentry","category-operation","category-migration"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10846","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\/81"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10846"}],"version-history":[{"count":1,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10846\/revisions"}],"predecessor-version":[{"id":10858,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10846\/revisions\/10858"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}