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References: <FA028C3B-70E0-4185-B581-72EDC1FB6847@stevej.name>
In-Reply-To: <FA028C3B-70E0-4185-B581-72EDC1FB6847@stevej.name>
From: Ron Johnson <ronljohnsonjr@gmail.com>
Date: Thu, 29 Jan 2026 19:22:15 -0500
Message-ID: <CANzqJaCDnxeHqkz3qRHEddA78cvdhgHKWJkDO48HKqZSQkmUiw@mail.gmail.com>
Subject: Re: What happens if the socket lock file is deleted?
To: pgsql-general <pgsql-general@postgresql.org>
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Archived-At: <https://www.postgresql.org/message-id/CANzqJaCDnxeHqkz3qRHEddA78cvdhgHKWJkDO48HKqZSQkmUiw%40mail.gmail.com>
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On Thu, Jan 29, 2026 at 3:30=E2=80=AFPM stevej@stevej.name <stevej@stevej.n=
ame>
wrote:

> 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 lo=
ng
> running processes. I have never noticed the lock file associated with a
> postgreSQL socket be missing though.


That's interesting, and more than a bit scary.  /tmp gets erased at boot,
but I've never seen such a thing in RHEL.

--=20
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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<div dir=3D"ltr"><div dir=3D"ltr">On Thu, Jan 29, 2026 at 3:30=E2=80=AFPM <=
a href=3D"mailto:stevej@stevej.name">stevej@stevej.name</a> &lt;<a href=3D"=
mailto:stevej@stevej.name">stevej@stevej.name</a>&gt; wrote:</div><div clas=
s=3D"gmail_quote gmail_quote_container"><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex">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 fil=
es for long running processes. I have never noticed the lock file associate=
d with a postgreSQL socket be missing though.</blockquote><div><br></div><d=
iv>That&#39;s interesting, and more than a bit scary.=C2=A0 /tmp gets erase=
d at boot, but I&#39;ve never seen such a thing in RHEL.</div></div><div><b=
r></div><span class=3D"gmail_signature_prefix">-- </span><br><div dir=3D"lt=
r" class=3D"gmail_signature"><div dir=3D"ltr">Death to &lt;Redacted&gt;, an=
d butter sauce.<div>Don&#39;t boil me, I&#39;m still alive.<br><div><div>&l=
t;Redacted&gt; lobster!</div></div></div></div></div></div>

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