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Posted to oak-issues@jackrabbit.apache.org by "Stefan Eissing (JIRA)" <ji...@apache.org> on 2016/12/22 13:02:58 UTC

[jira] [Created] (OAK-5368) Not configurable/Unnecessary short Lucene Observation Queue length

Stefan Eissing created OAK-5368:
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             Summary: 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
            Priority: Minor


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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