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From "Mark Miller (JIRA)" <>
Subject [jira] [Commented] (SOLR-2646) Integrate Solr benchmarking support into the Benchmark module
Date Mon, 09 Jul 2012 15:42:34 GMT


Mark Miller commented on SOLR-2646:

Could not tell you. Could be a large variety of things.

This is a test using the current example configs shipped at each date - which means it's not
always apples to apples if default config changes. Analysis could have changed for our default
english text. New defaults for features or ease of use may have been enabled.

For example, I believe the update log is on by default now for durability and realtime GET,

Also, some code paths have changed to support various new features.

Also, Lucene is changing underneath us, so we should probably compare to some similar benchmark
there (I know Mike publishes quite a few that could be looked at).

It's not so easy to dig in after the fact with month resolution.

At some point, it would be nice to have this automated and published as Lucene is - then we
could run it nightly.

There is some work to do to get there though (don't know that ill have time for it in the
near future), and we would need a good consistent machine to run it on (I could probably run
it at night or something).

I have not attempted to track anything down other than the broad numbers right now.

This is simply to start a record that can help as we move forward in evaluating how changes
impact performance.

Obviously the single threaded path has not been affected - so whatever has changed, it's likely
mostly around concurrency.
> Integrate Solr benchmarking support into the Benchmark module
> -------------------------------------------------------------
>                 Key: SOLR-2646
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>             Fix For: 4.0
>         Attachments: Dev-SolrBenchmarkModule.pdf, SOLR-2646.patch, SOLR-2646.patch, SOLR-2646.patch,
SOLR-2646.patch, SolrIndexingPerfHistory.pdf
> As part of my buzzwords Solr pef talk, I did some work to allow some Solr benchmarking
with the benchmark module.
> I'll attach a patch with the current work I've done soon - there is still a fair amount
to clean up and fix - a couple hacks or three - but it's already fairly useful.

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