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HDFS-4021. Misleading error message when resources are low on the NameNode. Contributed by Christopher Conner. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1396881 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-10-11 00:32:46 +00:00
parent 08f35a04c6
commit 8078e16015
2 changed files with 7 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -316,6 +316,9 @@ Release 2.0.3-alpha - Unreleased
HDFS-4020. TestRBWBlockInvalidation may time out. (eli)
HDFS-4021. Misleading error message when resources are low on the NameNode.
(Christopher Conner via atm)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -4059,7 +4059,10 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
return "Safe mode is OFF.";
String leaveMsg = "";
if (areResourcesLow()) {
leaveMsg = "Resources are low on NN. Safe mode must be turned off manually";
leaveMsg = "Resources are low on NN. "
+ "Please add or free up more resources then turn off safe mode manually. "
+ "NOTE: If you turn off safe mode before adding resources, "
+ "the NN will immediately return to safe mode.";
} else {
leaveMsg = "Safe mode will be turned off automatically";
}