| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
| Cc: | Metin Doslu <metin(at)citusdata(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, postgres performance list <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Parallel Select query performance and shared buffers |
| Date: | 2013-12-04 18:04:11 |
| Message-ID: | 20131204180411.GE7383@awork2.anarazel.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-performance |
On 2013-12-04 16:00:40 -0200, Claudio Freire wrote:
> On Wed, Dec 4, 2013 at 1:54 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> > All that time is spent in your virtualization solution. One thing to try
> > is to look on the host system, sometimes profiles there can be more
> > meaningful.
>
> You cannot profile the host on EC2.
Didn't follow the thread from the start. So, this is EC2? Have you
checked, with a recent enough version of top or whatever, how much time
is reported as "stolen"?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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