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HDFS-9434. Recommission a datanode with 500k blocks may pause NN for 30 seconds for printing info log messags.

This commit is contained in:
Tsz-Wo Nicholas Sze 2015-11-19 14:54:01 -08:00
parent 0664782025
commit bf82a8de30
2 changed files with 6 additions and 5 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1474,6 +1474,9 @@ Release 2.8.0 - UNRELEASED
HDFS-9400. TestRollingUpgradeRollback fails on branch-2.
(Brahma Reddy Battula via cnauroth)
HDFS-9434. Recommission a datanode with 500k blocks may pause NN for 30
seconds for printing info log messags. (szetszwo)
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
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@ -2926,11 +2926,9 @@ private void processOverReplicatedBlock(final BlockInfo block,
for(DatanodeStorageInfo storage : blocksMap.getStorages(block, State.NORMAL)) {
final DatanodeDescriptor cur = storage.getDatanodeDescriptor();
if (storage.areBlockContentsStale()) {
LOG.info("BLOCK* processOverReplicatedBlock: " +
"Postponing processing of over-replicated " +
block + " since storage + " + storage
+ "datanode " + cur + " does not yet have up-to-date " +
"block information.");
LOG.trace("BLOCK* processOverReplicatedBlock: Postponing {}"
+ " since storage {} does not yet have up-to-date information.",
block, storage);
postponeBlock(block);
return;
}