HDFS-16033 Fix issue of the StatisticsDataReferenceCleaner cleanUp (#3042)
Contributed by kaifeiYi (yikf). Signed-off-by: Mingliang Liu <liuml07@apache.org> Reviewed-by: Steve Loughran <stevel@apache.org>
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@ -4004,12 +4004,19 @@ public void cleanUp() {
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* Background action to act on references being removed.
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*/
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private static class StatisticsDataReferenceCleaner implements Runnable {
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/**
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* Represents the timeout period expires for remove reference objects from
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* the STATS_DATA_REF_QUEUE when the queue is empty.
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*/
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private static final int REF_QUEUE_POLL_TIMEOUT = 10000;
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@Override
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public void run() {
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while (!Thread.interrupted()) {
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try {
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StatisticsDataReference ref =
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(StatisticsDataReference)STATS_DATA_REF_QUEUE.remove();
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(StatisticsDataReference)STATS_DATA_REF_QUEUE.
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remove(REF_QUEUE_POLL_TIMEOUT);
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ref.cleanUp();
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} catch (InterruptedException ie) {
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LOGGER.warn("Cleaner thread interrupted, will stop", ie);
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