| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Subject: | Re: initdb and fsync |
| Date: | 2012-06-19 17:22:02 |
| Message-ID: | 1340126522.19023.78.camel@jdavis |
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| Lists: | 503 토토 결과 페치 실패 |
On Mon, 2012-06-18 at 21:41 +0200, Andres Freund wrote:
> It calls pg_flush_data inside of copy_file which does the posix_fadvise... So
> maybe just put the sync_file_range in pg_flush_data?
The functions in fd.c aren't linked to initdb, so it's a challenge to
share that code (I remember now: that's why I didn't use pg_flush_data
originally). I don't see a clean way to resolve that, do you?
Also, it seems that sync_file_range() doesn't help with creating a
database much (on my machine), so it doesn't seem important to use it
there.
Right now I'm inclined to leave the patch as-is.
Regards,
Jeff Davis
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