diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt index 293875d3f0..7f4a874200 100644 --- a/hadoop-yarn-project/CHANGES.txt +++ b/hadoop-yarn-project/CHANGES.txt @@ -161,6 +161,9 @@ Release 2.0.3-alpha - Unreleased YARN-288. Fair scheduler queue doesn't accept any jobs when ACLs are configured. (Sandy Ryza via tomwhite) + YARN-300. After YARN-271, fair scheduler can infinite loop and not + schedule any application. (Sandy Ryza via tomwhite) + Release 2.0.2-alpha - 2012-09-07 INCOMPATIBLE CHANGES 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/fair/FairScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java index 305a23527c..c31a2dbb74 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java @@ -760,7 +760,7 @@ private synchronized void nodeUpdate(RMNode nm, // Otherwise, schedule at queue which is furthest below fair share else { int assignedContainers = 0; - while (true) { + while (node.getReservedContainer() == null) { // At most one task is scheduled each iteration of this loop List scheds = new ArrayList( queueMgr.getLeafQueues());