[jira] [Resolved] (SOLR-11969) Solr4 To Solr6 CPU load issues

["Erick Erickson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-11969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erick Erickson resolved SOLR-11969.
-----------------------------------
    Resolution: Not A Problem

Please raise this question on the user's list at solr-user@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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