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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) { 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)); String.valueOf(scope), String.valueOf(excludedScope));
return null; return null;
} }

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
View File

@ -49,7 +49,8 @@ public class BlockPlacementPolicyDefault extends BlockPlacementPolicy {
private static final String enableDebugLogging = private static final String enableDebugLogging =
"For more information, please enable DEBUG log level on " "For more information, please enable DEBUG log level on "
+ BlockPlacementPolicy.class.getName(); + BlockPlacementPolicy.class.getName() + " and "
+ NetworkTopology.class.getName();
private static final ThreadLocal<StringBuilder> debugLoggingBuilder private static final ThreadLocal<StringBuilder> debugLoggingBuilder
= new ThreadLocal<StringBuilder>() { = new ThreadLocal<StringBuilder>() {