Re: pg_archivecleanup should remove WAL files also in pg_xlog? - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: pg_archivecleanup should remove WAL files also in pg_xlog?
Date
Msg-id AANLkTin5X2XZV+pJsAZNQw-dUY=1K7eQ07t0hCvXMGAr@mail.gmail.com
Whole thread Raw
In response to pg_archivecleanup should remove WAL files also in pg_xlog?  (Fujii Masao <masao.fujii@gmail.com>)
List pgsql-hackers
On Mon, Dec 13, 2010 at 3:44 PM, Fujii Masao <masao.fujii@gmail.com> wrote:
> pg_archivecleanup removes unnecessary WAL files from the archive, but not
> from pg_xlog directory. So, after failover, those WAL files might
> exist in pg_xlog
> and be archived again later. Re-archiving of unnecessary WAL files seems odd
> to me. To avoid this problem, how about changing pg_archivecleanup so that
> it removes WAL files also in pg_xlog or creates .done file in
> archive_status when
> removing them from the archive?

Well, we can avoid this problem by specifying pg_xlog directory instead of
the archive in recovery_end_command:
   recovery_end_command = 'pg_archivecleanup pg_xlog %r'

Though this sounds like somewhat bad know-how..

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


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