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https://issues.apache.org/jira/browse/SOLR-11969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erick Erickson resolved SOLR-11969.
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Resolution: Not A Problem
Please raise this question on the user's list at solr-u...@lucene.apache.org,
see: (http://lucene.apache.org/solr/community.html#mailing-lists-irc) there are
a _lot_ more people watching that list who may be able to help.
If it's determined that this really is a code issue in Solr and not a
configuration/usage problem, we can raise a new JIRA or reopen this one.
> Solr4 To Solr6 CPU load issues
> -------------------------------
>
> Key: SOLR-11969
> URL: https://issues.apache.org/jira/browse/SOLR-11969
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: clients - php
> Affects Versions: 6.6.2
> Reporter: BSR1
> Priority: Major
>
> {color:#000000}I have upgraded Solr4.0 Beta to Solr6.6. The Cache results
> look Awesome but overall the CPU load on solr6.6 is double the load on
> solr4.0 and hence I am not able to roll solr6.6 to 100% of my traffic. {color}
> *Some Key Stats In Performance of Sol6 Vs Solr4*
> {color:#000000}Document cache usage increased from .98 from .14 {color}
> {color:#000000}Query Result cache usage increased from .10 from .24 {color}
> {color:#000000}Filter cache same as .94 {color}
> {color:#000000}Field Value cache was 0.99 in solr4 but n/a in solr6 (i guess
> because field multivalued concept was changed from solr4 to solr6) {color}
> *Please Help Note: I have given document cache 3 times memory for doc.cache.*
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