Hi Chris,
thanks a lot for taking the time answering my question. Skimming through
BlockPlacementPolicyDefault helped my a lot; I managed to get
DatanodeDescriptor(s) by using Host2NodesMap object. The DatanodeDescriptor
contains storage info which I was looking for.
Thanks again for your help, I
Hi Youssef,
You might want to review the code for BlockPlacementPolicyDefault to get a
sense for how an implementation works. Perhaps you could even start your
own work by copying and modifying that class. This code would show you how
to get ahold of a DatanodeDescriptor and then use it to call
Hi,
I am working on implementing a custom placement policy. So I created a
class that extends BlockPlacementPolicy. I am trying to get a list of all
DatanodeStorageInfo objects in order to be able to decide which one to
choose for placement (based on certain criteria), this is the logic of
chooseT
