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Why Is MySQL Server Creating Files Starting With "psy" In The Temporary Directory? (Doc ID 2483421.1)

Last updated on APRIL 09, 2020

Applies to:

MySQL Server - Version 5.5 and later
Information in this document applies to any platform.


A number of short-lived temporary files were noticed in the temporary directory, and potentially contributing to additional disk I/O on the system.

On Windows,  procmon listed them as follows:




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