| From: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
|---|---|
| To: | "'Ramesh T *EXTERN*'" <rameshparnanditech(at)gmail(dot)com>, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Taking lot time |
| Date: | 2015-11-27 09:10:47 |
| Message-ID: | A737B7A37273E048B164557ADEF4A58B50FECBB2@ntex2010i.host.magwien.gv.at |
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| Lists: | pgsql-general |
It is difficult to read your e-mails.
Ramesh T wrote:
>> When this thread started you said you where selecting 20 rows.
>
> Yes.
>> Which is correct 20 rows or columns and if columns how many rows?
>
> Yes,I did selected 20 columns from two tables.
>> Where are you measuring this time?
>
> Here is the query plan,
> http://explain.depesz.com/s/EeYT
This explain output says that you selected 699560 rows.
But 11 seconds seems long for that.
How fast is your I/O system and your CPU?
Yours,
Laurenz Albe
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