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YARN-6188. Fix OOM issue with decommissioningNodesWatcher in the case of clusters with 

large number of nodes (Contributed by Ajay Jadhav via Daniel Templeton)
This commit is contained in:
Daniel Templeton 2017-02-17 13:11:43 -08:00
parent 4c26c241ad
commit 9a92837786
1 changed files with 2 additions and 2 deletions
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4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/DecommissioningNodesWatcher.java
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@ -385,9 +385,9 @@ public class DecommissioningNodesWatcher {
if (!LOG.isDebugEnabled() || decomNodes.size() == 0) {
return;
}
StringBuilder sb = new StringBuilder();
long now = mclock.getTime();
for (DecommissioningNodeContext d : decomNodes.values()) {
StringBuilder sb = new StringBuilder();
DecommissioningNodeStatus s = checkDecommissioningStatus(d.nodeId);
sb.append(String.format(
"%n %-34s %4ds fresh:%3ds containers:%2d %14s",
@ -413,8 +413,8 @@ public class DecommissioningNodesWatcher {
(mclock.getTime() - rmApp.getStartTime()) / 1000));
}
}
LOG.debug("Decommissioning node: " + sb.toString());
}
LOG.info("Decommissioning Nodes: " + sb.toString());
}
// Read possible new DECOMMISSIONING_TIMEOUT_KEY from yarn-site.xml.