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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2017/03/08 10:59:37 UTC
[jira] [Resolved] (OAK-5368) Not configurable/Unnecessary short
Lucene Observation Queue length
[ https://issues.apache.org/jira/browse/OAK-5368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chetan Mehrotra resolved OAK-5368.
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Resolution: Works for Me
Fix Version/s: (was: 1.8)
> Not configurable/Unnecessary short Lucene Observation Queue length
> ------------------------------------------------------------------
>
> Key: OAK-5368
> URL: https://issues.apache.org/jira/browse/OAK-5368
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene
> Affects Versions: 1.4.10
> Reporter: Stefan Eissing
> Assignee: Chetan Mehrotra
> Priority: Minor
> Attachments: LuceneIndexConfigObserver-under-load.png
>
>
> The maximum queue length in the {{LuceneIndexConfigObserver}} is hard coded to 5. This is unreasonable short for production systems experiencing heavy load.
> Tests with a patched version resulted in observed queue length of >100 entries. This floods warnings into the error log, produces additional load.
> The fix would be to increase the queue max, make it configurable or rely on the system default (which can be configured).
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