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* pg_subtrans
@ 2010-02-19 14:33 Kevin Johnson <Kevin.Johnson@noaa.gov>
2010-02-19 14:40 ` Re: pg_subtrans Tom Lane <tgl@sss.pgh.pa.us>
0 siblings, 1 reply; 2+ messages in thread
From: Kevin Johnson @ 2010-02-19 14:33 UTC (permalink / raw)
To: pgsql-admin
Hello,
I am attempting to get information on the pg_subtrans directory. I
found this morning that one had a large number of files queued in it.
It filled the disk partition on which pgdata resides. After moving,
linking and restarting as a temporary solution, the engine properly
worked off these files. So, I'm trying now to get to the root cause of
why it filled in the first place -- however I'm not sure when postgres
engine uses this directory. I've searched the documentation and mailing
list archive, but can't find much. Can anyone give me a link or some
more information?
Thank you in advance for your time!
Kevin
--
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: pg_subtrans
2010-02-19 14:33 pg_subtrans Kevin Johnson <Kevin.Johnson@noaa.gov>
@ 2010-02-19 14:40 ` Tom Lane <tgl@sss.pgh.pa.us>
0 siblings, 0 replies; 2+ messages in thread
From: Tom Lane @ 2010-02-19 14:40 UTC (permalink / raw)
To: Kevin Johnson <Kevin.Johnson@noaa.gov>; +Cc: pgsql-admin
Kevin Johnson <Kevin.Johnson@noaa.gov> writes:
> I am attempting to get information on the pg_subtrans directory. I
> found this morning that one had a large number of files queued in it.
> It filled the disk partition on which pgdata resides. After moving,
> linking and restarting as a temporary solution, the engine properly
> worked off these files. So, I'm trying now to get to the root cause of
> why it filled in the first place -- however I'm not sure when postgres
> engine uses this directory. I've searched the documentation and mailing
> list archive, but can't find much. Can anyone give me a link or some
> more information?
I don't recall the exact horizon for pg_subtrans offhand, but I'm pretty
sure that it's determined by your oldest open transaction. Look around
for idle-in-transaction sessions.
regards, tom lane
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2010-02-19 14:33 pg_subtrans Kevin Johnson <Kevin.Johnson@noaa.gov>
2010-02-19 14:40 ` Tom Lane <tgl@sss.pgh.pa.us>
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