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Subject: What happens if the socket lock file is deleted?
Date: Thu, 29 Jan 2026 12:29:46 -0800
Message-ID: <[email protected]> (raw)
In software I have developed separately, I have noticed that most systems will periodically delete files within the temporary directory hierarchy that have not been accessed recently, and that includes lock files for long running processes. I have never noticed the lock file associated with a postgreSQL socket be missing though.
Does PostgreSQL periodically touch the lock file so it won’t be deleted? Alternatively, does PostgreSQL simply re-create the lock file if it has been deleted? I know the documentation says to never “manually”’delete one of those lock files.
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