【PostgreSQL-patroni维护命令】

小怪兽ysl2024-09-14 5:03

手册
https://patroni.readthedocs.io/en/latest/index.html

patroni运维

1.列出节点信息

patronictl -c /etc/patroni.yml list

2.重做备库

reinit先是移除了整个data目录。然后选择正确的节点进行备份恢复。

patronictl -c /etc/patroni.yml reinit patnori-test

language 复制代码

# patronictl -c /etc/patroni.yml reinit pgsql
+ Cluster: pgsql (6972099274779350082)+------+---------+----+-----------+
|   Member    |        Host         |  Role  |  State  | TL | Lag in MB |
+-------------+---------------------+--------+---------+----+-----------+
| pgsql_node1 | 192.168.22.128:5432 |        | running | 3  |      0    |
| pgsql_node2 | 192.168.22.129:5432 | Leader | running | 3  |           |
| pgsql_node3 | 192.168.22.130:5432 |        | running | 3  |      0    |
+-------------+---------------------+--------+---------+----+-----------+
Select the following node names to add: pgsql_node3
 Are you sure you want to reinitialize members pgsql_node3？[y/N]: y
 Success: for member pgsql_node3 Perform initialization

参数查看参数

patronictl -c /etc/patroni.yaml show-config

更改参数

patronictl -c /etc/patroni.yaml edit-config

reload加载参数（同时在三个节点生效）

patronictl -c /etc/patroni.yaml reload patnori-test

重启节点/关闭节点

加- -force 强制

加- -scheduled 2023-09-13T18:00-03:00 定时

1.仅重启当前节点（node1节点）