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Posted to common-commits@hadoop.apache.org by ay...@apache.org on 2019/09/14 05:25:40 UTC

[hadoop] branch trunk updated: HDFS-14799. Do Not Call Map containsKey In Conjunction with get. Contributed by hemanthboyina.

This is an automated email from the ASF dual-hosted git repository.

ayushsaxena pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/trunk by this push:
     new e04b8a4  HDFS-14799. Do Not Call Map containsKey In Conjunction with get. Contributed by hemanthboyina.
e04b8a4 is described below

commit e04b8a46c3088d13bf010f2959062e1440332bcc
Author: Ayush Saxena <ay...@apache.org>
AuthorDate: Sat Sep 14 10:39:20 2019 +0530

    HDFS-14799. Do Not Call Map containsKey In Conjunction with get. Contributed by hemanthboyina.
---
 .../hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java   | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
old mode 100644
new mode 100755
index 7c83792..247ea62
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
@@ -112,17 +112,11 @@ class InvalidateBlocks {
   }
 
   private LightWeightHashSet<Block> getBlocksSet(final DatanodeInfo dn) {
-    if (nodeToBlocks.containsKey(dn)) {
-      return nodeToBlocks.get(dn);
-    }
-    return null;
+    return nodeToBlocks.get(dn);
   }
 
   private LightWeightHashSet<Block> getECBlocksSet(final DatanodeInfo dn) {
-    if (nodeToECBlocks.containsKey(dn)) {
-      return nodeToECBlocks.get(dn);
-    }
-    return null;
+    return nodeToECBlocks.get(dn);
   }
 
   private LightWeightHashSet<Block> getBlocksSet(final DatanodeInfo dn,


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