Right.  The main takeway is that QTime is not exactly what user sees.
What users sees is always > QTime.  To see what end users experience
one needs RUM (and I don't mean the tasty kind, but
http://en.wikipedia.org/wiki/Real_user_monitoring .

Otis
--
Solr & ElasticSearch Support
http://sematext.com/





On Tue, Jun 4, 2013 at 11:54 AM, Walter Underwood <wun...@wunderwood.org> wrote:
> On Jun 4, 2013, at 8:28 AM, Shawn Heisey wrote:
>
>> On 6/4/2013 8:45 AM, O'Regan, Mike wrote:
>>> Can't a GC also kick in before the timer starts, resulting a short QTime 
>>> but a long time from the point of view of the client? Believe I have seen 
>>> that phenomenon in action.
>>
>> You are correct.  I don't know why I didn't think of that.
>>
>> Thanks,
>> Shawn
>
>
> If I remember correctly, QTime does not include the time to fetch the field 
> data after the query is evaluated and scored. It also does not include the 
> time to send the data.
>
> wunder
>
>
>
>

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