Coda's stuff exports to JMX and Solr exports to JMX.

Otis
--
Solr Performance Monitoring -- http://sematext.com/spm



On Wed, Jul 10, 2013 at 10:09 PM, Walter Underwood
<[email protected]> wrote:
> There is some work on reporting this through the Codahale Graphics system.
> For us, that is way way better than a Solr-specific metrics interface.
>
> wunder
>
> On Jul 10, 2013, at 7:06 PM, Erick Erickson wrote:
>
> Yonik:
>
> Yes, but correlating these is a bit awkward. My notion is it would be
> useful to have this in a debug response and avoid having to
> reconcile things from log files.... Perhaps Shawn's idea
> would be a good thing to put in a (new?) debug section rather than
> re-purpose the QTime which we all know and love.
>
> On Wed, Jul 10, 2013 at 10:01 PM, Otis Gospodnetic
> <[email protected]> wrote:
>
> This sounds attractive to me.  What other times are you thinking about,
> Shawn?
>
>
> I think this type of info should be owned by Solr and one should not
>
> rely on Jetty.  Plus the plan is to ditch the servlet container
>
> anyway.
>
>
> Otis
>
> --
>
> Solr Performance Monitoring -- http://sematext.com/spm
>
>
>
>
> On Wed, Jul 10, 2013 at 6:04 PM, Shawn Heisey <[email protected]> wrote:
>
> On 7/10/2013 2:46 PM, Erick Erickson wrote:
>
>
> I've been waving my hands for a while with "QTime is just the query
>
> time, it doesn't count network latency, assembling the response blah
>
> blah blah".
>
>
> It seems like we could at least provide the time it takes to write out
>
> the docs that would include decompression time, disk latency, all that
>
> stuff. Still wouldn't deal with network latency, but it'd be progress.
>
>
>
> <snip>
>
>
>
> Does this seem do-able? What about valuable? I'm assuming that just
>
> _adding_ a section wouldn't break back-compat. What do people think?
>
> Should I raise a JIRA?
>
>
>
> +1 on raising a JIRA.  Here's my radical notion:
>
>
> IMHO we should add all available timing information up and display that as
>
> QTime.  Having that QTime further broken down into additional information
>
> would be very good.  Any simple calculations (which shouldn't really slow
>
> down a request) should be included by default, and any calculations that do
>
> slow things down could be part of debugQuery output.
>
>
> My preference would be to make these changes in branch_4x, but if we do
>
> that, we'll suddenly be dealing with people who think that a minor version
>
> upgrade has incredibly worse performance just based on QTime numbers, even
>
> though nothing has really changed.
>
>
> If we just make the additional information available in 4.x and then update
>
> QTime to include everything in 5.0, that seems like a reasonable path.  It's
>
> easier to manage expectations on a major version bump.
>
>
> Thanks,
>
> Shawn
>
>
>
>
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> --
> Walter Underwood
> [email protected]
>
>
>

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