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HDFS-13356. Balancer:Set default value of minBlockSize to 10mb. Contributed by Bharat Viswanadham 

(cherry picked from commit 9b5375e0c1)
This commit is contained in:
Bharat Viswanadham 2018-04-23 16:09:01 -07:00
parent cf272c5179
commit caf4d5000e
1 changed files with 4 additions and 1 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/proto/NamenodeProtocol.proto
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@ -43,7 +43,10 @@ import "HdfsServer.proto";
message GetBlocksRequestProto {
required DatanodeIDProto datanode = 1; // Datanode ID
required uint64 size = 2; // Size in bytes
optional uint64 minBlockSize = 3 [default = 0]; // Minimum Block Size in bytes
// Minimum Block Size in bytes, adding default value to 10MB, as this might
// cause problem during rolling upgrade, when balancers are upgraded later.
// For more info refer HDFS-13356
optional uint64 minBlockSize = 3 [default = 10485760];
}