Re: Lock partitions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mark Wong <markw(at)osdl(dot)org>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Lock partitions
Date: 2006-09-14 19:32:48
Message-ID: 2345.1158262368@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Mark Wong <markw(at)osdl(dot)org> writes:
> Tom Lane wrote:
>> With that change, I didn't see run_workload report any errors, but maybe
>> I don't know where to look.

> The error is captured in dbt2/scripts/output/*/client/error.log, where *
> is the run directory.

Hm ... here's what I see in there:

Thu Sep 14 15:19:16 2006
tid:-1430387232 client.c:129
20 DB worker threads have started
Thu Sep 14 15:19:31 2006
tid:1087957312 libpq/dbc_new_order.c:111
ERROR: deadlock detected
DETAIL: Process 5334 waits for ShareLock on transaction 3505055; blocked by process 5363.
Process 5363 waits for ShareLock on transaction 3505049; blocked by process 5334.
CONTEXT: SQL statement "UPDATE stock
SET s_quantity = s_quantity - 10
WHERE s_i_id = 48368
AND s_w_id = 1"

Thu Sep 14 15:21:18 2006
tid:1089960256 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1089689920 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090636096 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090230592 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090365760 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090095424 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1089825088 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090500928 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090906432 client_interface.c:33
socket closed on _receive
Thu Sep 14 15:21:18 2006
tid:1090771264 client_interface.c:33
socket closed on _receive

Is the deadlock failure expected?

regards, tom lane

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Mark Wong 2006-09-14 19:45:29 Re: Lock partitions
Previous Message Joshua D. Drake 2006-09-14 19:30:34 Re: Mid cycle release?