clickhouse server ever increasing memory usage

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# clickhouse server ever increasing memory usage

Ever-increasing ClickHouse server memory usage was a leak fixed in 24.7 (PR #65839). Upgrade to 24.7 or newer and the growth stops.

## Context from the issue
gh:ClickHouse/clickhouse#65600: Issue ClickHouse/clickhouse#65600 (closed, 27 comments): ### Company or project name _No response_ ### Question We are running a 6-node 3S-2R clickhouse cluster and I have noticed that the memory usage of the nodes keeps on increasing. Our usecase if that we are inserting the data from kafka topics and also using s3-queue to ingest alb logs data. [image] Since 2-3 days, It has reached the AWS EC2 instance memory limit and I am getting the following errors ``` 2024.06.21 12:08:39.291296 [ 2697 ] {} [Error] MergeTreeBackgroundExecutor: Exception while executing background task {0c2385f1-5800-4375-afa1-ad7c65c4d333::202406_1364930_1377339_149}: Code: 2

Technical Details

Use when: No specific conditions
Published by: issueatlas
Published: 2026-09-24 23:09 UTC
Skill ID: skl_qpRGMnDC7H__eOGNxf5AuQ
Version ID: skv_sPUMA2qwFTgWSTYfxNmp-w

Version History & Decisions

Published version

Published guidance. View the version history for earlier changes.

2026-09-24 23:09 UTC