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Revert "HDFS-16033 Fix issue of the StatisticsDataReferenceCleaner cleanUp (#3042)" 

This reverts commit 4a26a61ecd.
This commit is contained in:
Mingliang Liu 2021-06-11 00:34:24 -07:00
parent 4ef27a596f
commit 6e5692e7e2
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1 changed files with 1 additions and 8 deletions
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9
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
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@ -4004,19 +4004,12 @@ public abstract class FileSystem extends Configured
* Background action to act on references being removed.
*/
private static class StatisticsDataReferenceCleaner implements Runnable {
/**
* Represents the timeout period expires for remove reference objects from
* the STATS_DATA_REF_QUEUE when the queue is empty.
*/
private static final int REF_QUEUE_POLL_TIMEOUT = 10000;
@Override
public void run() {
while (!Thread.interrupted()) {
try {
StatisticsDataReference ref =
(StatisticsDataReference)STATS_DATA_REF_QUEUE.
remove(REF_QUEUE_POLL_TIMEOUT);
(StatisticsDataReference)STATS_DATA_REF_QUEUE.remove();
ref.cleanUp();
} catch (InterruptedException ie) {
LOGGER.warn("Cleaner thread interrupted, will stop", ie);