| From: | Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> |
|---|---|
| To: | "'teg(at)redhat(dot)com'" <teg(at)redhat(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | AW: Re: New Linux xfs/reiser file systems |
| Date: | 2001-05-07 12:56:22 |
| Message-ID: | 11C1E6749A55D411A9670001FA6879633682B4@sdexcsrv1.f000.d0188.sd.spardat.at |
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| Thread: | |
| Lists: | pgsql-hackers |
> > I don't have a machine with XFS installed and it will be at least a week
> > before I could get around to a build. Any volunteers?
>
> I think I could do that... any useful benchmarks to run?
Looks like we have expert help here :-) One very interesting question
would imho be, how do we best preallocate the log files ?
The current method is to prewrite 8k pages to the whole file, since
only writing 1 byte to the end of file triggered the sparse file handling.
This, although usually during off peak times, effectively doubles the writes
for WAL.
Andreas
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