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YARN-8025. UsersManangers#getComputedResourceLimitForActiveUsers throws NPE due to preComputedActiveUserLimit is empty. Contributed by Tao Yang.

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(Cherry picked from commit 67f239c42f676237290d18ddbbc9aec369267692)
This commit is contained in:
Weiwei Yang 2018-05-07 11:33:14 +08:00
parent d9fae993b4
commit a0b7abf278
1 changed files with 5 additions and 4 deletions
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9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.java
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@ -490,11 +490,12 @@ public Resource getComputedResourceLimitForActiveUsers(String userName,
Resource clusterResource, String nodePartition,
SchedulingMode schedulingMode) {
Map<SchedulingMode, Resource> userLimitPerSchedulingMode = preComputedActiveUserLimit
.get(nodePartition);
Map<SchedulingMode, Resource> userLimitPerSchedulingMode;
try {
writeLock.lock();
userLimitPerSchedulingMode =
preComputedActiveUserLimit.get(nodePartition);
if (isRecomputeNeeded(schedulingMode, nodePartition, true)) {
// recompute
userLimitPerSchedulingMode = reComputeUserLimits(userName,
@ -548,11 +549,11 @@ public Resource getComputedResourceLimitForAllUsers(String userName,
Resource clusterResource, String nodePartition,
SchedulingMode schedulingMode) {
Map<SchedulingMode, Resource> userLimitPerSchedulingMode = preComputedAllUserLimit
.get(nodePartition);
Map<SchedulingMode, Resource> userLimitPerSchedulingMode;
try {
writeLock.lock();
userLimitPerSchedulingMode = preComputedAllUserLimit.get(nodePartition);
if (isRecomputeNeeded(schedulingMode, nodePartition, false)) {
// recompute
userLimitPerSchedulingMode = reComputeUserLimits(userName,