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Posted to common-commits@hadoop.apache.org by ju...@apache.org on 2016/01/06 14:41:17 UTC
hadoop git commit: YARN-4546. ResourceManager crash due to scheduling
opportunity overflow. Contributed by Jason Lowe.
Repository: hadoop
Updated Branches:
refs/heads/trunk 2d16f40da -> c1462a67f
YARN-4546. ResourceManager crash due to scheduling opportunity overflow. Contributed by Jason Lowe.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c1462a67
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c1462a67
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c1462a67
Branch: refs/heads/trunk
Commit: c1462a67ff7bb632df50e1c52de971cced56c6a3
Parents: 2d16f40
Author: Junping Du <ju...@apache.org>
Authored: Wed Jan 6 05:49:24 2016 -0800
Committer: Junping Du <ju...@apache.org>
Committed: Wed Jan 6 05:49:24 2016 -0800
----------------------------------------------------------------------
hadoop-yarn-project/CHANGES.txt | 9 ++++++++
.../scheduler/SchedulerApplicationAttempt.java | 11 ++++++++--
.../TestSchedulerApplicationAttempt.java | 22 ++++++++++++++++++++
3 files changed, 40 insertions(+), 2 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c1462a67/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 28935c6..0ec5acdf 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -1215,6 +1215,9 @@ Release 2.8.0 - UNRELEASED
YARN-1382. Remove unusableRMNodesConcurrentSet (never used) in NodeListManager
to get rid of memory leak. (Rohith Sharma K S via junping_du)
+ YARN-4546. ResourceManager crash due to scheduling opportunity overflow.
+ (Jason Lowe via junping_du)
+
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES
@@ -1270,6 +1273,9 @@ Release 2.7.3 - UNRELEASED
YARN-4510. Fix SLS startup failure caused by NPE. (Bibin A Chundatt via wangda)
+ YARN-4546. ResourceManager crash due to scheduling opportunity overflow.
+ (Jason Lowe via junping_du)
+
Release 2.7.2 - UNRELEASED
INCOMPATIBLE CHANGES
@@ -2130,6 +2136,9 @@ Release 2.6.4 - UNRELEASED
YARN-3697. FairScheduler: ContinuousSchedulingThread can fail to shutdown.
(Zhihai Xu via kasha)
+ YARN-4546. ResourceManager crash due to scheduling opportunity overflow.
+ (Jason Lowe via junping_du)
+
Release 2.6.3 - 2015-12-17
INCOMPATIBLE CHANGES
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c1462a67/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
index 4d81350..c1f1c3d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
@@ -625,8 +625,10 @@ public class SchedulerApplicationAttempt implements SchedulableEntity {
public synchronized void addSchedulingOpportunity(Priority priority) {
- schedulingOpportunities.setCount(priority,
- schedulingOpportunities.count(priority) + 1);
+ int count = schedulingOpportunities.count(priority);
+ if (count < Integer.MAX_VALUE) {
+ schedulingOpportunities.setCount(priority, count + 1);
+ }
}
public synchronized void subtractSchedulingOpportunity(Priority priority) {
@@ -661,6 +663,11 @@ public class SchedulerApplicationAttempt implements SchedulableEntity {
schedulingOpportunities.setCount(priority, 0);
}
+ @VisibleForTesting
+ void setSchedulingOpportunities(Priority priority, int count) {
+ schedulingOpportunities.setCount(priority, count);
+ }
+
synchronized AggregateAppResourceUsage getRunningAggregateAppResourceUsage() {
long currentTimeMillis = System.currentTimeMillis();
// Don't walk the whole container list if the resources were computed
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c1462a67/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerApplicationAttempt.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerApplicationAttempt.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerApplicationAttempt.java
index 987aa68..88216f8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerApplicationAttempt.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerApplicationAttempt.java
@@ -249,4 +249,26 @@ public class TestSchedulerApplicationAttempt {
assertEquals(0.0f, app.getResourceUsageReport().getClusterUsagePercentage(),
0.0f);
}
+
+ @Test
+ public void testSchedulingOpportunityOverflow() throws Exception {
+ ApplicationAttemptId attemptId = createAppAttemptId(0, 0);
+ Queue queue = createQueue("test", null);
+ RMContext rmContext = mock(RMContext.class);
+ when(rmContext.getEpoch()).thenReturn(3L);
+ SchedulerApplicationAttempt app = new SchedulerApplicationAttempt(
+ attemptId, "user", queue, queue.getActiveUsersManager(), rmContext);
+ Priority priority = Priority.newInstance(1);
+ assertEquals(0, app.getSchedulingOpportunities(priority));
+ app.addSchedulingOpportunity(priority);
+ assertEquals(1, app.getSchedulingOpportunities(priority));
+ // verify the count is capped at MAX_VALUE and does not overflow
+ app.setSchedulingOpportunities(priority, Integer.MAX_VALUE - 1);
+ assertEquals(Integer.MAX_VALUE - 1,
+ app.getSchedulingOpportunities(priority));
+ app.addSchedulingOpportunity(priority);
+ assertEquals(Integer.MAX_VALUE, app.getSchedulingOpportunities(priority));
+ app.addSchedulingOpportunity(priority);
+ assertEquals(Integer.MAX_VALUE, app.getSchedulingOpportunities(priority));
+ }
}