Thanks Raymond.
But I think the symptoms that I am seeing are different though I get the
no disk space issue in the following ways:
1. There is enough disk space on my device (output of df -h), 300M is used from 56G space.
/dev/mapper/data1-object--cache
58G 300M 58G 1% /object-cache1
2. ls -rtl pg_xlog:
drwx------ 2 postgres 75 4096 Sep 28 03:45 archive_status
-rw------- 1 postgres 75 16777216 Sep 28 04:33 00000001000000000000000B
-rw------- 1 postgres 75 16777216 Sep 28 04:34 00000001000000000000000C
( I see the WAL xlog files are getting created and the older ones are getting deleted correctly and
they are using hardly 32MB from a partition of 58G so where is the question of no space)
3. Could this be related to:
http://www.postgresql.org/message-id/20140414014442.15385.74268@xxxxxxxxxxxxxxxxxxxxxxx.
Here there is mention of 'long writes and short writes', will trying out latest version of postgress help?
4. I tried with 'archive_command = /usr/bin.true' but still I face the ""pg_xlog/xlogtemp.7884": No space left on device" issue.
5. Once I hit ""pg_xlog/xlogtemp.7884": No space left on device" I start seeing it for other files as well:
"WARNING: could not create relation-cache initialization file "base/16384/pg_internal.init.13715": No space left
on device DETAIL: Continuing anyway, but there's something wrong."
6. I am seeing this issue when I create around 60,000 to 70,000 files (each of size 4k) in the data base.
Appreciate any quick help on this.
--
Thanks and regards,
Rupesh
-----Original Message-----
From: Raymond O'Donnell [mailto:rod@xxxxxx]
Sent: Friday, September 26, 2014 9:41 PM
To: Roopeshakumar Narayansa Shalgar (rshalgar); 'PostgreSQL'
Subject: Re: PANIC: could not create file "pg_xlog/xlogtemp.7884": No space left on device
On 25/09/2014 11:44, Roopeshakumar Narayansa Shalgar (rshalgar) wrote:
> Hi,
>
>
>
> I am using version 9.3.1 and see the "no space device error" even though
> there is enough space (99% free) on my disk.
>
>
>
> Error: PANIC: could not create file "pg_xlog/xlogtemp.7884": No space
> left on device
>
>
>
> I want to know whether this is a bug and if yes whether fix or
> workaround is available.
It's not a bug - you're out of disk space. As it happens, I saw a blog
post yesterday on precisely this problem, and approaches to fixing it:
http://blog.endpoint.com/2014/09/pgxlog-disk-space-problem-on-postgres.html
HTH,
Ray.
--
Raymond O'Donnell :: Galway :: Ireland
rod@xxxxxx
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