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https://issues.apache.org/jira/browse/LUCENE-6063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless resolved LUCENE-6063.
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Resolution: Fixed
> Allow overriding ConcurrentMergeScheduler's denial-of-service protection
> ------------------------------------------------------------------------
>
> Key: LUCENE-6063
> URL: https://issues.apache.org/jira/browse/LUCENE-6063
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/index
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 5.0, Trunk
>
> Attachments: LUCENE-6063.patch
>
>
> In LUCENE-5310 we explored improving CMS/SMS sharing/concurrency, but
> the issue never "converged", so I want to break out one small part of
> it here: the ability to override CMS's default "aggressive"
> denial-of-service protection where it forcefully stalls the incoming
> threads that are responsible for creating too many segments.
> More advanced applications can more gracefully handle the "too many
> merges" by e.g. slowing down the incoming indexing rate at a higher
> level.
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