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BufFileTruncate

Short Description

Waiting for a buffered file to be truncated.

Additional Information

Buffered files in PostgreSQL are primarily temporary files. Temporary files are used for sorts and hashes. BufFileTruncate is seen when these files are being initialized.

How to reduce this wait

Ensure the IO subsystem and CPU have sufficient resources.

PostgreSQL Docs - Wait Events of Type IO

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