{"id":13574,"date":"2024-08-01T10:51:57","date_gmt":"2024-08-01T02:51:57","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=13574"},"modified":"2024-08-01T10:51:56","modified_gmt":"2024-08-01T02:51:56","slug":"kundb2-1-8%e5%a6%82%e4%bd%95%e4%b8%bb%e5%a4%87%e5%88%87%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=13574","title":{"rendered":"kundb2.1.8\u5982\u4f55\u4e3b\u5907\u5207\u6362"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>2.1.4\u53ca\u4e4b\u540e\u7248\u672c\u9ed8\u8ba4\u4e3amgr\u67b6\u6784\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u8fdb\u884c\u5904\u7406<\/p>\n<p>\u5efa\u8bae\u5b89\u88c5Advisor\uff0c\u53ef\u4ee5\u5728\u540e\u53f0\u68c0\u6d4b\u4ee5\u53ca\u8fdb\u884c\u9009\u4e3b\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u7279\u6b8a\u60c5\u51b5\u4e0b\u9700\u8fdb\u53bb\u624b\u52a8\u5207\u6362\uff0c\u9700\u8fdb\u5165\u5230\u5e95\u5c42mysql\u3002<\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<p>\u6d4b\u8bd5\u73af\u5883\uff1akundb-2.1.8-final<\/p>\n<ol>\n<li>\u624b\u52a8\u5207\u6362\uff0c\u6267\u884c group_replication_set_as_primary \u624b\u52a8\u5207\u6362<\/li>\n<li>\u901a\u8fc7 kundb advisor\uff0c\u4f18\u96c5\u5207\u6362\uff08\u63a8\u8350\u65b9\u5f0f\uff09<\/li>\n<\/ol>\n<h4>\u65b9\u6848\u4e00. \u5e95\u5c42 mysql \u6267\u884c group_replication_set_as_primary<\/h4>\n<pre><code class=\"language-sql\">[root@kv2~]# kubectl get pods -owide|grep kundb1\nkundb-kungate-kundb1-646f87f668-4llht                       1\/1     Running            0          42h     172.22.23.3   kv3    <none>           <none>\nkundb-kungate-kundb1-646f87f668-ffqnt                       1\/1     Running            0          42h     172.22.23.2   kv2    <none>           <none>\nkundb-kungate-kundb1-646f87f668-sqnjw                       1\/1     Running            0          42h     172.22.23.4   kv4    <none>           <none>\n# \u8fdb\u5165\u4efb\u4e00\u4e2akungate pod\n[root@kv2~]# kubectl exec -it  kundb-kungate-kundb1-646f87f668-sqnjw bash\n\n# \u8fdb\u5165\u5e95\u5c42mysql\nroot@kv4:\/vt\/manager# mysql --socket=\/vdir\/mnt\/disk1\/kundb1\/kundbdata\/mysql.sock -p'TEwD8*9#Qm!Pd&AG'\n\n# \u67e5\u8be2performance_schema.replication_group_members\u8868\nmysql> select * from performance_schema.replication_group_members;\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n| CHANNEL_NAME              | MEMBER_ID                            | MEMBER_HOST | MEMBER_PORT | MEMBER_STATE | MEMBER_ROLE | MEMBER_VERSION | MEMBER_COMMUNICATION_STACK |\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n| group_replication_applier | 690e516f-382b-11ee-9559-be9416f75e51 | kv4         |       15006 | ONLINE       | PRIMARY     | 8.0.30         | XCom                       |\n| group_replication_applier | 6916ff25-382b-11ee-ab46-8a6f5b87ea5a | kv2         |       15006 | ONLINE       | SECONDARY   | 8.0.30         | XCom                       |\n| group_replication_applier | 69628fc1-382b-11ee-bcd5-8e01529700b9 | kv3         |       15006 | ONLINE       | SECONDARY   | 8.0.30         | XCom                       |\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n3 rows in set (0.00 sec)\n\n# \u524d\u9762\u7684\u4fe1\u606f\u53ef\u4ee5\u770b\u5230\uff0c\u4e3b\u8282\u70b9\u662fkv4\uff0c\u8fd9\u91cc\u6211\u4eec\u5c06\u4e3b\u5207\u6362\u6210kv2\n# \u5176\u4e2d6916ff25-382b-11ee-ab46-8a6f5b87ea5a \u4e3a\u9700\u8981\u5207\u6362\u8282\u70b9\u7684MEMBER_ID\nmysql> select group_replication_set_as_primary('6916ff25-382b-11ee-ab46-8a6f5b87ea5a');\n+--------------------------------------------------------------------------+\n| group_replication_set_as_primary('6916ff25-382b-11ee-ab46-8a6f5b87ea5a') |\n+--------------------------------------------------------------------------+\n| Primary server switched to: 6916ff25-382b-11ee-ab46-8a6f5b87ea5a         |\n+--------------------------------------------------------------------------+\n1 row in set (0.28 sec)\n\n# \u518d\u6b21\u67e5\u770b\uff0ckv2\u53d8\u6210\u4e86 PRIMARY\nmysql> select * from performance_schema.replication_group_members;\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n| CHANNEL_NAME              | MEMBER_ID                            | MEMBER_HOST | MEMBER_PORT | MEMBER_STATE | MEMBER_ROLE | MEMBER_VERSION | MEMBER_COMMUNICATION_STACK |\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n| group_replication_applier | 690e516f-382b-11ee-9559-be9416f75e51 | kv4         |       15006 | ONLINE       | SECONDARY   | 8.0.30         | XCom                       |\n| group_replication_applier | 6916ff25-382b-11ee-ab46-8a6f5b87ea5a | kv2         |       15006 | ONLINE       | PRIMARY     | 8.0.30         | XCom                       |\n| group_replication_applier | 69628fc1-382b-11ee-bcd5-8e01529700b9 | kv3         |       15006 | ONLINE       | SECONDARY   | 8.0.30         | XCom                       |\n+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+\n3 rows in set (0.00 sec)\n<\/code><\/pre>\n<h4>\u65b9\u6848\u4e8c. Advisor\u5207\u6362<\/h4>\n<p>\u8fdb\u5165KUNDBA\u670d\u52a1\uff0c\u627e\u5230\u5bf9\u5e94\u7684kundb\u670d\u52a1\u8fdb\u5165\uff0c\u70b9\u51fb\u4e0b\u9762\u7684\u4e3b\u5907\u5207\u6362\u6309\u94ae<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2024\/07\/image-1720755312081.png\" alt=\"file\" \/><\/p>\n<p>\u9009\u62e9\u4f18\u96c5\u5207\u6362\uff0c\u4ecekv2\u5207\u6362\u81f3kv3\uff0c\u70b9\u51fb\u786e\u5b9a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2024\/07\/image-1720755341592.png\" alt=\"file\" \/><\/p>\n<p>\u5207\u6362\u524d\u9700\u8981\u786e\u4fdd\u96c6\u7fa4\u7684\u5065\u5eb7\u72b6\u6001\uff0c\u4ee5\u53ca\u6d41\u6c34\u843d\u540e\u73b0\u8c61\u4e0d\u4e25\u91cd\u3002\u5982\u679c\u4e0d\u6ee1\u8db3\u6761\u4ef6\uff0c\u9700\u8981\u505a\u76f8\u5e94\u7684\u4fee\u590d\u540e\u518d\u8fdb\u884c\u64cd\u4f5c<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2024\/07\/image-1720755382282.png\" alt=\"file\" \/><\/p>\n<p>\u7b49\u5f85\u4e00\u4f1a\u4e4b\u540e\uff0c\u9875\u9762\u4f1a\u63d0\u793a shard \u4f18\u96c5\u5207\u6362\u6210\u529f(1\/1)<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2024\/07\/image-1720755440431.png\" alt=\"file\" \/><\/p>\n<p>\u70b9\u51fb\u5b58\u50a8\u8282\u70b9\uff0c\u53ef\u4ee5\u770b\u5230\u5207\u6362\u8bb0\u5f55<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nj.transwarp.cn:8180\/wp-content\/uploads\/2024\/07\/image-1720755468901.png\" alt=\"file\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 2.1.4\u53ca\u4e4b\u540e\u7248\u672c\u9ed8\u8ba4\u4e3amgr\u67b6\u6784\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u8fdb\u884c\u5904\u7406 \u5efa\u8bae\u5b89\u88c5Advisor\uff0c\u53ef\u4ee5\u5728\u540e\u53f0\u68c0\u6d4b\u4ee5\u53ca ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=13574\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13574","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\/13574","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13574"}],"version-history":[{"count":3,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/13574\/revisions"}],"predecessor-version":[{"id":13742,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/13574\/revisions\/13742"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}