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https://issues.apache.org/jira/browse/HBASE-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12801281#action_12801281
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stack commented on HBASE-2138:
------------------------------
I see these in .out files:
{code}
java.lang.ArithmeticException: / by zero
at
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.inc(MetricsTimeVaryingRate.java:112)
at
org.apache.hadoop.hbase.regionserver.metrics.RegionServerMetrics.doUpdates(RegionServerMetrics.java:175)
at
org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent(AbstractMetricsContext.java:286)
at
org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000(AbstractMetricsContext.java:52)
at
org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run(AbstractMetricsContext.java:251)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
{code}
> unknown metrics type
> --------------------
>
> Key: HBASE-2138
> URL: https://issues.apache.org/jira/browse/HBASE-2138
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Lars George
> Fix For: 0.20.3, 0.21.0
>
>
> Since the recent metric commits I see this on the master and RS at boot:
> {code}
> 2010-01-16 11:24:59,730 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
> Initializing JVM Metrics with processName=RegionServer,
> sessionId=regionserver/10.10.1.49:60020
> 2010-01-16 11:24:59,732 ERROR org.apache.hadoop.metrics.MetricsUtil: unknown
> metrics type: org.apache.hadoop.hbase.metrics.MetricsRate
> 2010-01-16 11:24:59,732 ERROR org.apache.hadoop.hbase.metrics: unknown
> metrics instance: org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
> 2010-01-16 11:24:59,732 ERROR org.apache.hadoop.hbase.metrics: unknown
> metrics instance: org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
> 2010-01-16 11:24:59,732 ERROR org.apache.hadoop.hbase.metrics: unknown
> metrics instance: org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
> 2010-01-16 11:24:59,732 ERROR org.apache.hadoop.hbase.metrics: unknown
> metrics instance: org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
> {code}
> We need to clean that for 0.20.3
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