Hi,
I want to trace the calls that both the DataNode and the NameNode do when I
execute a shell command on the hdfs such as (hadoop dfs -put {src} {dst}).
Any idea how to do that?
; tracing including the data node asking the name node for the blockID..
also the class where datanode use to determine the replica datanodes in the
pipe ..etc
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Best Regards,
Karim Ahmed Awara
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