HDFS-10963. Reduce log level when network topology cannot find enough datanodes. Contributed by Xiao chen
(cherry picked from commit b90fc70d671481564e468550c770c925f25d7db0) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a4ee4f9e Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a4ee4f9e Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a4ee4f9e Branch: refs/heads/branch-2.8 Commit: a4ee4f9e5139d25b29266dbc1b0a14372518b7af Parents: c955a59 Author: Brahma Reddy Battula <[email protected]> Authored: Thu Oct 6 17:47:31 2016 +0530 Committer: Brahma Reddy Battula <[email protected]> Committed: Thu Oct 6 17:49:48 2016 +0530 ---------------------------------------------------------------------- .../src/main/java/org/apache/hadoop/net/NetworkTopology.java | 2 +- .../server/blockmanagement/BlockPlacementPolicyDefault.java | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/a4ee4f9e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java index d680094..91c4784 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java @@ -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; } http://git-wip-us.apache.org/repos/asf/hadoop/blob/a4ee4f9e/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java index dc5ed9b..4bc479a 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java @@ -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>() { --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
