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  1. HBase
  2. HBASE-20571

JMXJsonServlet generates invalid JSON if it has NaN in metrics

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    Description

      /jmx servlet responses invalid JSON, if some metrics are NaN:

          "l1CacheHitCount" : 0,
    "l1CacheMissCount" : 0,
    "l1CacheHitRatio" : NaN,
    "l1CacheMissRatio" : NaN,
    "l2CacheHitCount" : 0,
    "l2CacheMissCount" : 0,
    "l2CacheHitRatio" : 0.0,
    "l2CacheMissRatio" : 0.0,

      NaN is an invalid character sequence in JSON. We should not response NaN in metrics.

      Attachments

        1. HBASE-20571.branch-2.0.001.patch
          2 kB
          Balazs Meszaros
        2. HBASE-20571.branch-2.0.002.patch
          2 kB
          Balazs Meszaros
        3. HBASE-20571.branch-2.0.002.patch
          2 kB
          Michael Stack
        4. HBASE-20571.branch-2.0.003.patch
          3 kB
          Balazs Meszaros
        5. HBASE-20571.branch-1.003.patch
          4 kB
          Balazs Meszaros
        6. HBASE-20571.branch-1.004.patch
          4 kB
          Balazs Meszaros

        Issue Links

          is required by

          Bug - A problem which impairs or prevents the functions of the product. HBASE-24657 JsonBean representation of metrics at /jmx endpoint now quotes all numbers

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          links to

          Web Link Review Board (branch-2.0)

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              meszibalu Balazs Meszaros
              meszibalu Balazs Meszaros
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              Dates

                Created:
                Updated:
                Resolved: