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https://issues.apache.org/jira/browse/SOLR-7280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390820#comment-15390820
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Mark Miller commented on SOLR-7280:
-----------------------------------

bq. But it sounds like you're getting more comfortable with the approach.

It has nothing to do with being comfortable with the approach. There was an 
existing bug that was fixed that no one working on this issue seems to yet 
comprehend. Which had me worried the problem still existed. I found that 
another change from another JIRA has decoupled core loading and leader 
election. All as I mention above. Details matter.

> Load cores in sorted order and tweak coreLoadThread counts to improve cluster 
> stability on restarts
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-7280
>                 URL: https://issues.apache.org/jira/browse/SOLR-7280
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Noble Paul
>             Fix For: 6.2, 5.5.3
>
>         Attachments: SOLR-7280-5x.patch, SOLR-7280-5x.patch, 
> SOLR-7280-5x.patch, SOLR-7280-test.patch, SOLR-7280.patch, SOLR-7280.patch
>
>
> In SOLR-7191, Damien mentioned that by loading solr cores in a sorted order 
> and tweaking some of the coreLoadThread counts, he was able to improve the 
> stability of a cluster with thousands of collections. We should explore some 
> of these changes and fold them into Solr.



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