# When SIGTERM Does Nothing: A Postgres Mystery

DevFeed: [When SIGTERM Does Nothing: A Postgres Mystery](<https://devfeed.tech/articles/when-sigterm-does-nothing-a-postgres-mystery-5569.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/sigterm-postgres-mystery>)

Author: Kevin Biju Kizhake Kanichery

Published: 2025-07-08T14:29:41Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [bug](<https://devfeed.tech/topics/bug.md>), [Replication](<https://devfeed.tech/topics/replication.md>), [Databases](<https://devfeed.tech/topics/databases.md>), [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [blog](<https://devfeed.tech/tags/blog.md>), [bug](<https://devfeed.tech/tags/bug.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [community](<https://devfeed.tech/tags/community.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [production](<https://devfeed.tech/tags/production.md>), [read-replica](<https://devfeed.tech/tags/read-replica.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [replication](<https://devfeed.tech/tags/replication.md>), [stream](<https://devfeed.tech/tags/stream.md>)

## AI overview

The article investigates a Postgres bug affecting logical replication slot creation on read replicas. It explains how an unusually long-running query became impossible to terminate, how the issue was diagnosed, and how the ClickPipes team fixed it while working with the Postgres community.

## Source excerpt

A story about a bug with logical replication slot creation on Postgres read replicas