Re: Sync Rep for 2011CF1 - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: Sync Rep for 2011CF1
Date
Msg-id AANLkTinF=DLP20ZJ57mkVa4ofTVLBMYn+pcRsqFMXK-=@mail.gmail.com
Whole thread Raw
In response to Re: Sync Rep for 2011CF1  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Responses Re: Sync Rep for 2011CF1  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Fri, Feb 11, 2011 at 4:06 AM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> I added a XLogWalRcvSendReply() call into XLogWalRcvFlush() so that it also
> sends a status update every time the WAL is flushed. If the walreceiver is
> busy receiving and flushing, that would happen once per WAL segment, which
> seems sensible.

This change can make the callback function "WalRcvDie()" call ereport(ERROR)
via XLogWalRcvFlush(). This looks unsafe.

Regards,

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


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