| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Florian Pflug <fgp(at)phlo(dot)org> |
| Cc: | Garick Hamlin <ghamlin(at)isc(dot)upenn(dot)edu>, Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Streaming base backups |
| Date: | 2011-01-11 17:45:02 |
| Message-ID: | 761.1294767902@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Florian Pflug <fgp(at)phlo(dot)org> writes:
> On Jan11, 2011, at 18:09 , Garick Hamlin wrote:
>> My gut was that direct io would likely work right on Linux
>> and Solaris, at least.
> Didn't we discover recently that O_DIRECT fails for ext4 on linux
> if ordered=data, or something like that?
Quite. Blithe assertions that something like this "should work" aren't
worth the electrons they're written on.
regards, tom lane
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