From 1d05d5fb3741ff282c8cea80fb69a28a87e33c0e Mon Sep 17 00:00:00 2001
From: yikf <13468507104@163.com>
Date: Fri, 11 Jun 2021 11:35:52 +0800
Subject: [PATCH] revert HADOOP-17728.

---
 .../src/main/java/org/apache/hadoop/fs/FileSystem.java    | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
index 057382bed9cde..b92237fc9703f 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
@@ -4004,19 +4004,13 @@ public void cleanUp() {
      * 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);