Horton

Re: Walreceiver fsyncs excessively

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

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From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-01-13T16:31:11Z
Lists: pgsql-hackers 
On 13.01.2011 14:34, Fujii Masao wrote:
> On Thu, Jan 13, 2011 at 9:01 PM, Heikki Linnakangas
> <heikki.linnakangas@enterprisedb.com>  wrote:
>> Attached patch fixes libpqrcv_receive() so that it calls PQconsumeInput()
>> before concluding that there's no data available. The excessive fsyncing can
>> lead to very bad performance, so this needs to be appled to 9.0 too.
>
> Seems good.
>
> Can we remove the "justconnected" flag, thanks to the patch?

Yes, good point. Committed with "justconnected" removed.

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