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Yang, Tong 3b1f73dece MRS UMN 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-13 12:03:34 +00:00

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How Do I Do If ClickHouse Consumes Excessive CPU Resources?

Symptom

A user performs a large number of update operations using ClickHouse. This operation on a ClickHouse consumes a large number of resources. In addition, the operation will be executed again if it fails. As a result, retries of those failed operations occupy too many CPU resources.

Procedure

Delete existing data from ZooKeeper and release delete the update statement.