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YARN-7024: Fix issues on recovery in LevelDB store. Contributed by Jonathan Hung

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This commit is contained in:
Xuan 2017-08-23 11:11:41 -07:00 committed by Jonathan Hung
parent 3a31c38885
commit 36cda2ff80
2 changed files with 4 additions and 2 deletions
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2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/InMemoryConfigurationStore.java
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@ -79,7 +79,7 @@ public synchronized Configuration retrieve() {
@Override
public synchronized List<LogMutation> getPendingMutations() {
return pendingMutations;
return new LinkedList<>(pendingMutations);
}
@Override

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/LeveldbConfigurationStore.java
View File

@ -65,6 +65,7 @@ public class LeveldbConfigurationStore implements YarnConfigurationStore {
private static final String LOG_COMMITTED_TXN = "committedTxn";
private DB db;
// Txnid for the last transaction logged to the store.
private long txnId = 0;
private long minTxn = 0;
private long maxLogs;
@ -92,6 +93,7 @@ public void initialize(Configuration config, Configuration schedConf)
break;
}
pendingMutations.add(deserLogMutation(entry.getValue()));
txnId++;
}
// Get the earliest txnId stored in logs
itr.seekToFirst();
@ -278,7 +280,7 @@ public synchronized Configuration retrieve() {
@Override
public List<LogMutation> getPendingMutations() {
return pendingMutations;
return new LinkedList<>(pendingMutations);
}
@Override