On Wed, Mar 23, 2011 at 12:44 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> Specifically, if we're not going to remove write location, then I
>> think we need to apply something like the attached.
>
>> while (walrcv_receive(0, &type, &buf, &len))
>> XLogWalRcvProcessMsg(type, buf, len);
>
>> + /* Let the master know that we received some data. */
>> + XLogWalRcvSendReply();
>
> What if we didn't actually receive any new data?
The portion of the code immediately preceding what's included in the
diff guards against that, and there is a second guard in
XLogWalRcvSendReply().
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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