lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Erick Erickson <erickerick...@gmail.com>
Subject Re: QTime
Date Thu, 11 Jul 2019 17:24:20 GMT
Not only does Qtime not include network latency, it also doesn't include
the time it takes to assemble the docs for return, which can be lengthy
when rows is large..

On Wed, Jul 10, 2019, 14:39 Shawn Heisey <apache@elyograg.org> wrote:

> On 7/10/2019 3:17 PM, Lucky Sharma wrote:
> > I am seeing one very weird behaviour of QTime of SOLR.
> >
> > Scenario is :
> > When I am hitting the Solr Cloud Instance, situated at a DC with my local
> > machine while load test I was seeing 400ms Qtime response and 1sec Http
> > Response time.
>
> How much data was in the response?  If it's large, I can see it taking
> that long to transfer.  This is even more likely if there is a lot of
> network latency in the network between the client and the server.
>
> > While I am trying to do the same process within the same DC location, I
> am
> > getting 100 ms Solr QTime and 130ms Response Time.
> >
> > Does QTime counts network latency too??
>
> There's no way Solr can include the time to send the response over the
> network in QTime.  The value is calculated and put into the response
> before Solr starts sending.
>
> Thanks,
> Shawn
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message