On Thu, Oct 27, 2016 at 9:05 AM, Michael Paquier
<michael.paquier@gmail.com> wrote:
> On Thu, Oct 27, 2016 at 7:16 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> This can create problem if the checkpoint record spans across multiple
>> segments, because you are updating minRecoveryPoint to start of
>> checkpoint record. We need to update it to end+1 of checkpoint
>> record. Please find attached patch which takes care of same.
>
> I gave up counting my mistakes on this thread, thanks. You should
> update the comments of XLogCtlData for the new field
> lastCheckPointEndPtr so as it is not used by the background writer but
> when creating a new restart point to define the minimum recovery
> point.
I committed and back-patched this with some additional work on the
comments, but I don't understand this remark. That comment seems like
it should refer to the checkpointer in modern branches, but isn't that
point independent of this patch?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
