On Sun, Aug 06, 2017 at 04:32:29PM +1000, AP wrote:
> On Sat, Aug 05, 2017 at 04:41:24PM +0530, Amit Kapila wrote:
> > > (On another note, I committed these patches.)
> >
> > Thanks.
>
> Seconded. :)
>
> Now uploading data with fillfactor of 90. I'll know in 2-3 days
> if the new patches are successful (earlier if they did not help).
>
> I compiled (as apt.postgresql.org does not provide the latest
> beta3 version for stretch; only sid which has a different perl
> version) 10~beta3~20170805.2225-1~593.git0d1f98b.
Have gotten success with a dataset that failed before with ff 10.
End result:
mdstash=# select * from pgstathashindex('link_datum_id_idx');version | bucket_pages | overflow_pages | bitmap_pages |
unused_pages| live_items | dead_items | free_percent
---------+--------------+----------------+--------------+--------------+------------+------------+------------------
4 | 12391325 | 5148912 | 158 | 191643 | 4560007478 | 0 | 1894.29056075982
(1 row)
mdstash=# select 5148912.0/158/8; ?column?
-----------------------4073.5063291139240000
(1 row)
The index is 135GB rather than 900GB (from memory/give or take).
I'm happy so far. I'll be seeing how much more I can dump into it this weekend. :)
Thanks muchly to the both of you. :)
AP