Konstantin Shvachko commented on HDFS-13222:

No not the title, I was looking at the 00 patch, which removes 
{{getBlocksMinBlockSize}}, which is populated from the config. If you remove 
this it will not control the min block size any more, despite people's 
expectations who already have this in their configs. So this becomes 
incompatible change.
Also we do not really distinguish between NN and Balancer conigs, right? We 
should be using the same configuration on all HDFS nodes.

> Update getBlocks method to take minBlockSize in RPC calls
> ---------------------------------------------------------
>                 Key: HDFS-13222
>                 URL: https://issues.apache.org/jira/browse/HDFS-13222
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover
>            Reporter: Bharat Viswanadham
>            Assignee: Bharat Viswanadham
>            Priority: Major
>         Attachments: HDFS-13222.00.patch
> getBlocks Using balancer parameter is done in this Jira HDFS-9412
> Pass the Balancer conf value from Balancer to NN via getBlocks in each RPC. 
> as [~szetszwo] suggested

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