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From "Mikhail Dutikov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17266) hedgedReadWins counter is greater than the one for hedgedReads
Date Tue, 06 Dec 2016 11:11:29 GMT
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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