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Re: lock mode for ControlFileLock which pg_start_backup uses

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Cc: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: lock mode for ControlFileLock which pg_start_backup uses
Date: 2010-03-09 09:56:23
Message-ID: 4B961B47.9020406@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Takahiro Itagaki wrote:
> Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>> The attached patch changes the lock mode which pg_start_backup()
>> uses. Is it worth applying this patch?
> 
> I think the patch is reasonable to represent what we are doing,
> even if there is no performance benefits from it.

Agreed.

-- 
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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