[jira] [Comment Edited] (SOLR-15428) Integrate the OpenJDK JMH micro benchmark framework for micro benchmarks and performance comparisons and investigation.

["Mark Robert Miller (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-15428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17394402#comment-17394402 ] 

Mark Robert Miller edited comment on SOLR-15428 at 8/6/21, 12:21 AM:
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  Nitsan Wakart was looking at the JsonFaceting benchmark to lend some insight on the fairly large garbage creation that occurs when faceting using docvalues and pointed out that variability between runs was too high. I just pushed a revision that fixes some incorrect ThreadLocalRandom usage I thought I had removed and I pinned the seed that used for randoms. That should improve the situation. 


was (Author: markrmiller):
Nitsan Wakart was looking at the JsonFaceting test to lend some insight on the large fairly large garbage creation that occurs when faceting using docvalues and pointed out that variability between runs was too high. I just pushed a revision that fixes some incorrect ThreadLocalRandom usage I thought I had removed and I pinned the seed that used for randoms. That should improve the situation. 

> Integrate the OpenJDK JMH micro benchmark framework for micro benchmarks and performance comparisons and investigation.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-15428
>                 URL: https://issues.apache.org/jira/browse/SOLR-15428
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Mark Robert Miller
>            Priority: Major
>         Attachments: bench.patch
>
>          Time Spent: 8h 10m
>  Remaining Estimate: 0h
>
> I’ve spent a fair amount of time over the years on work around integrating Lucene’s benchmark framework into Solr and while I’ve used this with additional local work off and on, JMH has become somewhat of a standard for micro benchmarks on the JVM. I have some work that provides an initial integration, allowing for more targeted micro benchmarks as well as more integration type benchmarking using JettySolrRunner. 



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