| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Kaushal Shriyan <kaushalshriyan(at)gmail(dot)com> |
| Cc: | "pgsql-performance(at)lists(dot)postgresql(dot)org" <pgsql-performance(at)lists(dot)postgresql(dot)org> |
| Subject: | Performance issues while running select sql query |
| Date: | 2018-04-29 06:10:37 |
| Message-ID: | CAKFQuwYBtGfcaJscYNKft8C+FTKO9N1xy_Le6tTj26ggwLSC+Q@mail.gmail.com |
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| Lists: | pgsql-performance |
On Saturday, April 28, 2018, Kaushal Shriyan <kaushalshriyan(at)gmail(dot)com>
wrote:
> Hi,
>
> I am running postgresql db server 9.4.14 on AWS of C4.2xlarge instance
> type with 500 GB volume of volume type io1 with 25000 IOPS and I am
> seeing performance issues. The sql query response takes around *127713.413
> ms *time*.* Is there a way to find out the bottleneck?
>
I would suggest reading the following and providing some additional
details, in particular your table and/or view definitions. Specifically
I'd be looking for indexes on "serorgid", your apparent partitioning setup,
and your use of indexes in general.
https://wiki.postgresql.org/wiki/Slow_Query_Questions
You may also wish to attach the explain output as a text file.
David J.
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