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From "Christian Moen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3282) Perform Kuromoji/Japanese stability test before 3.6 freeze
Date Tue, 27 Mar 2012 17:46:30 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239714#comment-13239714
] 

Christian Moen commented on SOLR-3282:
--------------------------------------

h3. Test 4 - Combined search and indexing test

In this test, we are both indexing all of Wikipedia while searching at a constant 10 QPS rate.
 The queries in this test are identical to those run above

Solr is started using

{noformat}
java -verbose:gc -Xmx256m  -Dfile.encoding=UTF-8 -jar start.jar
{noformat}

so I've given it a little more heap because of the memory pressure issue seen in _Test 3_.

The indexing posts the XML described in _Test 1_ - each file contains 1,000 documents and
- different from _Test 1_ we now do a commit after each post.  No optimize is being done.

The test has now been running for 15 minutes and I'll let it run for hours.  I'll post details
later. :)
                
> Perform Kuromoji/Japanese stability test before 3.6 freeze
> ----------------------------------------------------------
>
>                 Key: SOLR-3282
>                 URL: https://issues.apache.org/jira/browse/SOLR-3282
>             Project: Solr
>          Issue Type: Task
>          Components: Schema and Analysis
>    Affects Versions: 3.6, 4.0
>            Reporter: Christian Moen
>            Assignee: Christian Moen
>         Attachments: 250k-queries-no-highlight-gc.log, 250k-queries-no-highlight-visualvm.png,
62k-queries-highlight-gc.log, 62k-queries-highlight-visualvm.png, jawiki-index-gc.log, jawiki-index-gcviewer.png,
jawiki-index-visualvm.png
>
>
> Kuromoji might be used by many and also in mission critical systems.  I'd like to run
a stability test before we freeze 3.6.
> My thinking is to test the out-of-the-box configuration using fieldtype {{text_ja}} as
follows:
> # Index all of Japanese Wikipedia documents (approx. 1.4M documents) in a never ending
loop
> # Simultaneously run many tens of thousands typical Japanese queries against the index
at 3-5 queries per second with highlighting turned on
> While Solr is indexing and searching, I'd like to verify that:
> * Indexing and queries are working as expected
> * Memory and heap usage looks stable over time
> * Garbage collection is overall low over time -- no Full-GC issues
> I'll post findings and results to this JIRA.

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