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YARN-10562. Follow up changes for YARN-9833. Contributed by Jim Brennan. 

(cherry picked from commit 768e2f42ba)
This commit is contained in:
Eric Badger 2021-01-13 23:53:16 +00:00
parent a093bd859d
commit d79f705a30
1 changed files with 6 additions and 6 deletions
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12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.java
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@ -22,6 +22,7 @@ import java.io.File;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.IOException; import java.io.IOException;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections; import java.util.Collections;
import java.util.HashMap; import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
@ -29,7 +30,6 @@ import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Set; import java.util.Set;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.locks.ReentrantReadWriteLock; import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock; import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock; import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
@ -239,9 +239,9 @@ public class DirectoryCollection {
throw new YarnRuntimeException(e); throw new YarnRuntimeException(e);
} }
localDirs = new CopyOnWriteArrayList<>(dirs); localDirs = new ArrayList<>(Arrays.asList(dirs));
errorDirs = new CopyOnWriteArrayList<>(); errorDirs = new ArrayList<>();
fullDirs = new CopyOnWriteArrayList<>(); fullDirs = new ArrayList<>();
directoryErrorInfo = new ConcurrentHashMap<>(); directoryErrorInfo = new ConcurrentHashMap<>();
ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
@ -287,7 +287,7 @@ public class DirectoryCollection {
List<String> getFailedDirs() { List<String> getFailedDirs() {
this.readLock.lock(); this.readLock.lock();
try { try {
return ImmutableList.copyOf( return Collections.unmodifiableList(
DirectoryCollection.concat(errorDirs, fullDirs)); DirectoryCollection.concat(errorDirs, fullDirs));
} finally { } finally {
this.readLock.unlock(); this.readLock.unlock();
@ -315,7 +315,7 @@ public class DirectoryCollection {
List<String> getErroredDirs() { List<String> getErroredDirs() {
this.readLock.lock(); this.readLock.lock();
try { try {
return Collections.unmodifiableList(errorDirs); return ImmutableList.copyOf(errorDirs);
} finally { } finally {
this.readLock.unlock(); this.readLock.unlock();
} }