ZooKeeper

ZooKeeper

Article on docs site:

https://docs.altinity.com/operationsguide/clickhouse-zookeeper/"

Check number of followers:

echo mntr | nc zookeeper 2187 | grep foll
zk_synced_followers    2
zk_synced_non_voting_followers    0
zk_avg_follower_sync_time    0.0
zk_min_follower_sync_time    0
zk_max_follower_sync_time    0
zk_cnt_follower_sync_time    0
zk_sum_follower_sync_time    0

Tools

https://github.com/apache/zookeeper/blob/master/zookeeper-docs/src/main/resources/markdown/zookeeperTools.md

Alternatives for zkCli

Web UI


clickhouse-keeper

clickhouse-keeper

How to check the list of watches

How to check the list of watches

JVM sizes and garbage collector settings

JVM sizes and garbage collector settings

Proper setup

Proper setup

Recovering from complete metadata loss in ZooKeeper

Recovering from complete metadata loss in ZooKeeper

ZooKeeper backup

ZooKeeper backup

ZooKeeper cluster migration

ZooKeeper cluster migration

ZooKeeper schema

ZooKeeper schema

Last modified 2021.08.24 : Code format corrections. (6fe6a9e5)