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https://issues.apache.org/jira/browse/SOLR-12156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16418507#comment-16418507
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Indranil Majumder commented on SOLR-12156:
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The use case for these configurations is, as a Solr master administrator, I
want to keep control on the optimization asked for on my index.
There are multiple data transformers which connects to this master using SolrJ.
I do not have full control on them. But if a novice developer calls optimize
after each commit, I want my configurations to protect my index from that.
Regarding the CRON, yes my ask is similar to the DocDeletion policy available
via updateRequestProcessorChain. Just like doc deletion I want to configure
internally a downtime where the optimize will auto initiate and the system will
be able to give it enough time to complete (may be late sunday night, once a
week).
> "<optimizeConfig>" in solrconfig.xml similar to "<indexConfig>"
> ---------------------------------------------------------------
>
> Key: SOLR-12156
> URL: https://issues.apache.org/jira/browse/SOLR-12156
> Project: Solr
> Issue Type: Wish
> Security Level: Public(Default Security Level. Issues are Public)
> Components: config-api
> Reporter: Indranil Majumder
> Priority: Major
>
> It would be great to have the below config parameters in solrconfig.xml :-
> # maxMergedSegmentMB (same as in TieredMergePolicy)
> # maxOptimizeSegments (same as in solrjClient.optimize(
> *waitFlush,**waitSearcher* ,{color:#FF0000}*maxSegments*{color}))
> # expungeDeletes (true/false)
> # optimizeTimeout(in minutes)
> # disableExlicitOptimize (disable all solrClient call to optimize )
> ## optimizeJobCron - associated to disableExlicitOptimize where optimization
> can be carried out at a maintenance period defined by the cron expression.
> This in turn needs to be respected by DirectUpdateHandler2 or any other
> handler trying to optimize the index
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