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Posted to common-commits@hadoop.apache.org by ay...@apache.org on 2021/09/23 04:59:54 UTC
[hadoop] 02/02: HDFS-16223.
AvailableSpaceRackFaultTolerantBlockPlacementPolicy should use
chooseRandomWithStorageTypeTwoTrial() for better performance. (#3424).
Contributed by Ayush Saxena.
This is an automated email from the ASF dual-hosted git repository.
ayushsaxena pushed a commit to branch branch-3.3
in repository https://gitbox.apache.org/repos/asf/hadoop.git
commit 38f529abf712a867b8cb02fa1e2c75c4fef8a02b
Author: Ayush Saxena <ay...@apache.org>
AuthorDate: Mon Sep 13 15:24:38 2021 +0530
HDFS-16223. AvailableSpaceRackFaultTolerantBlockPlacementPolicy should use chooseRandomWithStorageTypeTwoTrial() for better performance. (#3424). Contributed by Ayush Saxena.
---
.../AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java
index 226487b..c1ecdf4 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java
@@ -80,9 +80,9 @@ public class AvailableSpaceRackFaultTolerantBlockPlacementPolicy
Preconditions.checkArgument(clusterMap instanceof DFSNetworkTopology);
DFSNetworkTopology dfsClusterMap = (DFSNetworkTopology) clusterMap;
DatanodeDescriptor a = (DatanodeDescriptor) dfsClusterMap
- .chooseRandomWithStorageType(scope, excludedNode, type);
+ .chooseRandomWithStorageTypeTwoTrial(scope, excludedNode, type);
DatanodeDescriptor b = (DatanodeDescriptor) dfsClusterMap
- .chooseRandomWithStorageType(scope, excludedNode, type);
+ .chooseRandomWithStorageTypeTwoTrial(scope, excludedNode, type);
return select(a, b);
}
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