On 02/24/2016 06:56 AM, Robert Haas wrote:
On Wed, Feb 24, 2016 at 9:17 AM, Tomas Vondra
<tomas.von...@2ndquadrant.com> wrote:
...
Are we going to anything about this? While the bug is present in 9.5 (and
possibly other versions), fixing it before 9.6 gets out seems important
because reproducing it there is rather trivial (while I've been unable to
reproduce it on 9.5).


I'm not going to promise to commit anything here, because GIN is not
usually my area, but could you provide a link to the email that
contains the patch you think should be committed?

Sure. There are actually two candidate patches in two separate threads, I'm nots sure which one is better. Based on the testing both seem to fix the issue and the "pending lock" patch produces much smaller indexes (at least in my benchmark):

[1] http://www.postgresql.org/message-id/56041b26.2040...@sigaev.ru
[2] http://www.postgresql.org/message-id/CAMkU=1w7uu1gz8n0bxmykrlgth-uph+gphfhmneryzpcv7f...@mail.gmail.com

regards

--
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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