From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
---|---|
To: | Andrus <kobruleht2(at)hot(dot)ee>, Michael Paquier <michael(at)paquier(dot)xyz> |
Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Niels Jespersen <NJN(at)dst(dot)dk>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: SV: Log files polluted with permission denied error messages after every 10 seconds |
Date: | 2021-03-17 12:46:28 |
Message-ID: | 7f13c1a55d615265364a888801ca3a7272df9c5a.camel@cybertec.at |
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Lists: | pgsql-general |
On Wed, 2021-03-17 at 01:09 +0200, Andrus wrote:
> > Those ten seconds are coming from RemoveXlogFile(), where pgrename()
> > loops 100 times for 100ms before giving up. So something holding up
> > the file's handle prevents the removal to happen.
>
> I tried sysinternals
>
> handle pg_wal
>
> It shows that only postgres processes have opened files in pg_wal directory:
>
> postgres.exe pid: 11800 type: File CC0: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000012000000B7
> postgres.exe pid: 11800 type: File 12B8: C:\Program Files\PostgreSQL\13\data\pg_wal
> postgres.exe pid: 23904 type: File 1134: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000012000000B5
> postgres.exe pid: 20908 type: File 17C: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000012000000B7
> postgres.exe pid: 29892 type: File C08: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000011000000F4
> ...
> postgres.exe pid: 34260 type: File C18: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000011000000FC
> postgres.exe pid: 34484 type: File C48: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000011000000FC
> postgres.exe pid: 38740 type: File 180: C:\Program Files\PostgreSQL\13\data\pg_wal\0000000100000012000000B7
I think what it would be most helpful to run "process monitor", so that you get
a log of the system calls and errors; perhaps that shows some details that
we cannot get from the error message.
Yours,
Laurenz Albe
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