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  1. Solr
  2. SOLR-11061

Add a spins metric for all directory paths

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 7.1, 8.0
    • metrics
    • None

    Description

      See org.apache.lucene.util.IOUtils.spins. It currently only works for linux and is used by ConcurrentMergeScheduler to set defaults for maxThreadCount and maxMergeCount.

      We should expose this as a metric for solr.data.home and each core's data dir. One thing to note is that the CMS overrides the value detected by the spins method using lucene.cms.override_spins system property. This property is supposed to be for tests but if it is set then the metrics API should also take that into account.

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        Sub-task - The sub-task of the issue SOLR-11062 Add support for spins metric in Policy

        • Major - Major loss of function.
        • Closed

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            ab Andrzej Bialecki
            shalin Shalin Shekhar Mangar
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