Reputation: 231
I know that hadoop has capability to copy multiple directory at the same time to common target path by using following command :-
hadoop fs -cp dir1 dir2 dir3 target
but i want to know that what is the max number of directory or files that i can copy simultaneously.
Upvotes: 0
Views: 386
Reputation: 2516
Copying directories does not have any limitations (You can think of Integer.MAX_VALUE). The files, directories and blocks in HDFS are stored in Namenode memory.
But there is limit of hardware you would be using , Scaling up much beyond the hardware limit is the problem here.
Upvotes: 1