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https://issues.apache.org/jira/browse/SOLR-12210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ROMAN NAZARENKO updated SOLR-12210:
-----------------------------------
Summary: Perfomance degradation at High Load (was: Perfomance degradation
at Hghi Load)
> Perfomance degradation at High Load
> -----------------------------------
>
> Key: SOLR-12210
> URL: https://issues.apache.org/jira/browse/SOLR-12210
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Hadoop Integration
> Affects Versions: 7.2
> Reporter: ROMAN NAZARENKO
> Priority: Minor
>
> When hdfsDataFactory is used and the incoming data stream is large, the rate
> of indexation is degraded. This is not a problem when using a local file
> system. I think the problem is in cleaning hdfsBlockCache. Because the
> degradation of the indexing rate occurs precisely when this cache reaches its
> maximum value. The basis for hdfsBlockCache is caffeine cache, but it is
> configured to clean only when the maximum size is reached. At the same time,
> nothing prevents using timeEviction, I suggest testing the indexing speed
> using this type of cache cleaning.
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