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Posted to issues@hbase.apache.org by "Mikhail Dutikov (JIRA)" <ji...@apache.org> on 2016/12/06 11:11:29 UTC

[jira] [Created] (HBASE-17266) hedgedReadWins counter is greater than the one for hedgedReads

Mikhail Dutikov created HBASE-17266:
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             Summary: hedgedReadWins counter is greater than the one for hedgedReads
                 Key: HBASE-17266
                 URL: https://issues.apache.org/jira/browse/HBASE-17266
             Project: HBase
          Issue Type: Bug
          Components: hbase, metrics
    Affects Versions: 1.2.0
         Environment: HBase 1.2.0-cdh5.8.2
            Reporter: Mikhail Dutikov


I've been looking at the metrics in the HBase cluster that we have with Hedged reads turned on. Individual nodes report more hedged wins than attemps. I'm looking at the jmx metrics dump in the browser:
"hedgedReads" : 9852,
"hedgedReadWins" : 9859,

Am I reading this wrong or is it a bug? (Not necessarily in HBase, might be HDFS, of course)



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