ADMIN SHOW REPLICA STATUS

description

该语句用于展示一个表或分区的副本状态信息

语法：

    ADMIN SHOW REPLICA STATUS FROM [db_name.]tbl_name [PARTITION (p1, ...)]
    [where_clause];

    where_clause:
        WHERE STATUS [!]= "replica_status"

    replica_status:
        OK:             replica 处于健康状态
        DEAD:           replica 所在 Backend 不可用
        VERSION_ERROR:  replica 数据版本有缺失
        SCHEMA_ERROR:   replica 的 schema hash 不正确
        MISSING:        replica 不存在

example

1. 查看表全部的副本状态

    ADMIN SHOW REPLICA STATUS FROM db1.tbl1;

2. 查看表某个分区状态为 VERSION_ERROR 的副本

    ADMIN SHOW REPLICA STATUS FROM tbl1 PARTITION (p1, p2)
    WHERE STATUS = "VERSION_ERROR";
    
3. 查看表所有状态不健康的副本

    ADMIN SHOW REPLICA STATUS FROM tbl1
    WHERE STATUS != "OK";

keyword

ADMIN,SHOW,REPLICA,STATUS

1.8 KiB Raw Blame History

ADMIN SHOW REPLICA STATUS

description

example

keyword

1.8 KiB

Raw Blame History