Re: [HACKERS] standby server crashes hard on out-of-disk-space in HEAD

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От Robert Haas
Тема Re: [HACKERS] standby server crashes hard on out-of-disk-space in HEAD
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Msg-id CA+TgmoYiWs=x03BaK_cGq1V7XUvsH21ViAE2XN9u2v3FfFKr+Q@mail.gmail.com
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Ответ на [HACKERS] standby server crashes hard on out-of-disk-space in HEAD  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] standby server crashes hard on out-of-disk-space inHEAD  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
(On Mon, Jun 12, 2017 at 12:11 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> logfile from a standby server:
>
> 2017-06-12 11:43:46.450 EDT [13605] LOG:  started streaming WAL from primary at 3/E6000000 on timeline 1
> 2017-06-12 11:47:46.992 EDT [11261] FATAL:  could not extend file "base/47578/54806": No space left on device
> 2017-06-12 11:47:46.992 EDT [11261] HINT:  Check free disk space.
> 2017-06-12 11:47:46.992 EDT [11261] CONTEXT:  WAL redo at 8/EC7E0CF8 for XLOG/FPI:
> 2017-06-12 11:47:46.992 EDT [11261] WARNING:  buffer refcount leak: [1243] (rel=base/47578/54806, blockNum=5249,
flags=0x8a000000,refcount=1 1)
 
> TRAP: FailedAssertion("!(RefCountErrors == 0)", File: "bufmgr.c", Line: 2523)
> 2017-06-12 11:47:47.567 EDT [11259] LOG:  startup process (PID 11261) was terminated by signal 6: Aborted
> 2017-06-12 11:47:47.567 EDT [11259] LOG:  terminating any other active server processes
> 2017-06-12 11:47:47.584 EDT [11259] LOG:  database system is shut down
>
> The FATAL is fine, but we shouldn't have that WARNING I think, and
> certainly not the assertion failure.

Commit 4b4b680c3d6d8485155d4d4bf0a92d3a874b7a65 (Make backend local
tracking of buffer pins memory efficient., vintage 2014) seems like a
likely culprit here, but I haven't tested.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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