| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Vincent Lau <vincent(dot)lau(at)rentrakmail(dot)com> |
| Cc: | pgsql-admin <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: 0-byte 2PC File |
| Date: | 2013-07-14 16:19:34 |
| Message-ID: | 16424.1373818774@sss.pgh.pa.us |
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| Lists: | pgsql-admin |
Vincent Lau <vincent(dot)lau(at)rentrakmail(dot)com> writes:
> We are running 8.4.13 on this particular database and recently we have been
> getting empty two phase commit state files inside the pg_twophase
> directory. These prepared transactions can't be rolled back due to the
> empty state file. Here is an example of the error message.
> ERROR: two-phase state file for transaction 121421120 is corrupt
> The only way to get rid of this is to restart the database, which is just a
> bandaid solution at this point.
Is there a waiting transaction corresponding to that file? If not you
could just manually remove the file, I think. Not that that isn't a
band-aid, but it'd be less painful than a restart.
Do you see any error messages logged at the time the transaction PREPARE
is attempted?
regards, tom lane
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