Re: Sync Rep for 2011CF1

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От Robert Haas
Тема Re: Sync Rep for 2011CF1
Дата
Msg-id AANLkTi=boSWVHgjS6EQSOV9K0y_7gokPzS5vj965NT_A@mail.gmail.com
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Ответ на Re: Sync Rep for 2011CF1  (Fujii Masao <masao.fujii@gmail.com>)
Ответы Re: Sync Rep for 2011CF1  (Fujii Masao <masao.fujii@gmail.com>)
Re: Sync Rep for 2011CF1  (Simon Riggs <simon@2ndQuadrant.com>)
Список pgsql-hackers
On Mon, Feb 14, 2011 at 12:25 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
> 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.

Good catch.  Is the cleanest solution to pass a boolean parameter to
XLogWalRcvFlush() indicating whether we're in the midst of dying?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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