bettermouse created SPARK-27647:
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Summary: Metric Gauge not threadsafe
Key: SPARK-27647
URL: https://issues.apache.org/jira/browse/SPARK-27647
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.4.2
Reporter: bettermouse
when I read class DAGSchedulerSource,I find some Gauges may be not
threadSafe.like
metricRegistry.register(MetricRegistry.name("stage", "failedStages"), new
Gauge[Int] {
override def getValue: Int = dagScheduler.failedStages.size
})
this method may be called in other thread,but failedStages field is not thread
safe
filed runningStages,waitingStages have same problem
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