| From: | Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> |
|---|---|
| To: | Brian Cox <brian(dot)cox(at)ca(dot)com> |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: query slow; strace output worrisome |
| Date: | 2010-04-06 01:53:51 |
| Message-ID: | 4BBA942F.4080100@postnewspapers.com.au |
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| Thread: | |
| Lists: | pgsql-performance |
On 6/04/2010 9:01 AM, Brian Cox wrote:
> The SELECT show below has been running for 30+mins and the strace output
> is alarming:
>
> [root(at)dione ~]# strace -p 10083
> Process 10083 attached - interrupt to quit
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(NULL, 037777777777) = 216203264
> restart_syscall(<... resuming interrupted call ...>) = 8192
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
> creat(umovestr: Input/output error
> 0x2, 037777777777) = 1025220608
>
> however, I can find no indication of I/O errors in the postgres log.
> Anyone have any idea what's going on here?
Anything in `dmesg' (command) or /var/log/syslog ?
--
Craig Ringer
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