HDFS-8862. BlockManager#excessReplicateMap should use a HashMap. (yliu)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/71566e23 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/71566e23 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/71566e23 Branch: refs/heads/HDFS-7240 Commit: 71566e23820d33e0110ca55eded3299735e970b9 Parents: 51a0096 Author: yliu <y...@apache.org> Authored: Tue Aug 18 09:23:06 2015 +0800 Committer: yliu <y...@apache.org> Committed: Tue Aug 18 09:23:06 2015 +0800 ---------------------------------------------------------------------- hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 2 ++ .../apache/hadoop/hdfs/server/blockmanagement/BlockManager.java | 3 +-- 2 files changed, 3 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/71566e23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index d1b04dc..132adc1 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -820,6 +820,8 @@ Release 2.8.0 - UNRELEASED HDFS-8845. DiskChecker should not traverse the entire tree (Chang Li via Colin P. McCabe) + HDFS-8862. BlockManager#excessReplicateMap should use a HashMap. (yliu) + BUG FIXES HDFS-7501. TransactionsSinceLastCheckpoint can be negative on SBNs. http://git-wip-us.apache.org/repos/asf/hadoop/blob/71566e23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java index cde6588..aad7fec 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java @@ -33,7 +33,6 @@ import java.util.List; import java.util.Map; import java.util.Queue; import java.util.Set; -import java.util.TreeMap; import java.util.TreeSet; import java.util.concurrent.ThreadLocalRandom; import java.util.concurrent.atomic.AtomicLong; @@ -204,7 +203,7 @@ public class BlockManager implements BlockStatsMXBean { * DataNode. We'll eventually remove these extras. */ public final Map<String, LightWeightLinkedSet<Block>> excessReplicateMap = - new TreeMap<String, LightWeightLinkedSet<Block>>(); + new HashMap<>(); /** * Store set of Blocks that need to be replicated 1 or more times.
