wuyi created SPARK-22873:
----------------------------
Summary: Init lastReportTimestamp with system current time when
start() called in AsyncEventQueue
Key: SPARK-22873
URL: https://issues.apache.org/jira/browse/SPARK-22873
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.2.1
Reporter: wuyi
Priority: Minor
{code:java}
if (droppedEventsCounter.compareAndSet(droppedCount, 0)) {
val prevLastReportTimestamp = lastReportTimestamp
lastReportTimestamp = System.currentTimeMillis()
val previous = new java.util.Date(prevLastReportTimestamp)
logWarning(s"Dropped $droppedEvents events from $name since $previous.")
}
{code}
First time we log previous date, it would be "Thu Jan 01 08:00:00 CST 1970"
because of lastReportTimestamp was inited by 0L. Although there is no mistake
in theory, AsyncEventQueue's starting time seems better.
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