On Mon, Sep 19, 2016 at 7:07 AM, Amit Kapila <amit.kapil...@gmail.com> wrote:
>> Of course, the database could have been corrupted after having encountered
>> many crashes during my experiments. Neverthelesss, even without in-depth
>> knowledge of the b-tree code I suspect that this stack trace might reflect a
>> legal situation. In partcular, if _bt_page_recyclable() returned on this
>> condition:
>>         if (PageIsNew(page))
>>                 return true;
> I think you have a valid point.  It seems we don't need to write WAL
> for reuse page (aka don't call _bt_log_reuse_page()), if the page is
> new, as the only purpose of that log is to handle conflict based on
> transaction id stored in special area which will be anyway zero.


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

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