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Slow Performance with Semaphore in srv0srv / dict0dict and Main Thread State = enforcing dict cache limit (Doc ID 2995305.1)

Last updated on JANUARY 30, 2024

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.

Symptoms

  1. Slow general performance
  2. InnoDB Monitor output DURING the problem includes:

Changes

No changes are necessary to trigger the problem since it may be caused by general system growth.

However changes to the MySQL server settings (Ex: max_connections, open_files_limit, table_open_cache) or OS server settings (Ex: ulimit values) could trigger the problem.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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