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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