GBase8a MPP Cluster查看集群锁 showlock

gcadmin showlock

功能

查看目前集群中存在的锁。包括锁的名称、锁的拥有者、锁的创建时间、锁的备注、该锁是否已上锁以及锁的类型。

语法

gcadmin showlock [f]

参数说明

在输入gcadmin showlock命令后会显示集群锁信息表，该表的列信息如下：

示例

$ gcadmin showlock 
+====================================================================+
| GCLUSTER LOCK |
+====================================================================+
+-------------+-------------+-------------+--------------+------+----+
| Lock name  | owner 　　　| content 　 | create time |locked|type|
+-------------+-------------+-------------+--------------+------+----+
|gc-event-lock|172.168.83.11|global master|20200509093159| TRUE | E |
+-------------+-------------+-------------+--------------+------+----+
|gc-event-lock|172.168.83.13|global master|20200629130253|FALSE | E |
+-------------+-------------+-------------+--------------+------+----+
|gc-event-lock|172.168.83.12|global master|20200629130256|FALSE | E |
+-------------+-------------+-------------+--------------+------+----+Total : 3
 gcadmin showlock f 
<?xml version='1.0' encoding="utf-8"?>
<gcluster_lock>
 <locks>
 <lock lock_name="gc-event-lock" owner="172.168.83.11" 
content="global master" create_time="20200509093159" locked="TRUE" 
type="E"/>
 <lock lock_name="gc-event-lock" owner="172.168.83.13" 
content="global master" create_time="20200629130253" locked="FALSE" 
type="E"/>
 <lock lock_name="gc-event-lock" owner="172.168.83.12" 
content="global master" create_time="20200629130256" locked="FALSE" 
type="E"/>
 </locks>
 <Total count="3"/>
</gcluster_lock>