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YARN-8391. Investigate AllocationFileLoaderService.reloadListener locking issue. Contributed by Szilard Nemeth.

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This commit is contained in:
Miklos Szegedi 2018-06-20 10:29:12 -07:00
parent 4939ffedb1
commit 9a9e969570
1 changed files with 3 additions and 1 deletions
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4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
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@ -114,7 +114,9 @@ public void serviceInit(Configuration conf) throws Exception {
reloadThread = new Thread(() -> { reloadThread = new Thread(() -> {
while (running) { while (running) {
try { try {
reloadListener.onCheck(); synchronized (this) {
reloadListener.onCheck();
}
long time = clock.getTime(); long time = clock.getTime();
long lastModified = long lastModified =
fs.getFileStatus(allocFile).getModificationTime(); fs.getFileStatus(allocFile).getModificationTime();