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HDFS-10963. Reduce log level when network topology cannot find enough datanodes. Contributed by Xiao chen 

(cherry picked from commit b90fc70d67)
This commit is contained in:
Brahma Reddy Battula 2016-10-06 17:47:31 +05:30
parent c955a59d63
commit a4ee4f9e51
2 changed files with 4 additions and 3 deletions
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2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
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@ -763,7 +763,7 @@ public class NetworkTopology {
}
}
if (numOfDatanodes == 0) {
LOG.warn("Failed to find datanode (scope=\"{}\" excludedScope=\"{}\").",
LOG.debug("Failed to find datanode (scope=\"{}\" excludedScope=\"{}\").",
String.valueOf(scope), String.valueOf(excludedScope));
return null;
}

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
View File

@ -48,8 +48,9 @@ import com.google.common.annotations.VisibleForTesting;
public class BlockPlacementPolicyDefault extends BlockPlacementPolicy {
private static final String enableDebugLogging =
"For more information, please enable DEBUG log level on "
+ BlockPlacementPolicy.class.getName();
"For more information, please enable DEBUG log level on "
+ BlockPlacementPolicy.class.getName() + " and "
+ NetworkTopology.class.getName();
private static final ThreadLocal<StringBuilder> debugLoggingBuilder
= new ThreadLocal<StringBuilder>() {