v.24.4Improvement

Add Query Progress to Zookeeper Table

Official CH changelog text
Add query progress to table zookeeper. #62152 (JackyWoo).
Add query progress tracking in the system.zookeeper table.

Why it matters

This feature introduces visibility into query progress related to ZooKeeper operations within ClickHouse, enabling users to monitor and analyze the state and performance of queries that interact with ZooKeeper. It helps in diagnosing delays or issues in distributed query processing, especially where ZooKeeper coordination is involved.

How to use it

Users can query the system.zookeeper table to retrieve progress details of queries that utilize ZooKeeper. This provides an easy way to observe query execution states without additional configuration. Simply run queries against the system.zookeeper system table using standard SQL:

SELECT * FROM system.zookeeper

Related resources

PreviousNext