From: | Mitsumasa KONDO <kondo(dot)mitsumasa(at)gmail(dot)com> |
---|---|
To: | pgsql-announce(at)postgresql(dot)org |
Subject: | direct_cp 1.0.0 is released! |
Date: | 2013-10-29 12:16:03 |
Message-ID: | CADupcHVBt8MXYBUBL3Y_5r74yGUtHvjKQm57ne1pJH4ZvmfSMA@mail.gmail.com |
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Lists: | pgsql-announce |
Hi all,
Last week, we released direct_cp that is archiving WAL command without
waste file caches.
In general, archiving WAL copy cause less performance, because it creates a
lot of not re-accessed OS file caches. To use direct_cp, OS file caches are
more efficiently used in PostgreSQL. It can easy to use that replace cp
command with direct_cp at archive command in postgresql.conf.
* Install package is under following.
http://sourceforge.net/projects/directcp/files/?source=navbar
* Performance test in archive mode is under following.
http://directcp.sourceforge.net/files/performance.pdf
direct_cp can realize better performance than normal cp command.
* Online manual is under following.
http://directcp.sourceforge.net/direct_cp.html<http://directcp.sourceforge.net/direct_cp-ja.html>
This software is BSD License.
Please apply it to your postgres with archiving mode.
Regards,
--
Mitsumasa KONDO
NTT Open Source Software Center
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