Re: key,Values at Reducer are local or present in DFS

On Nov 5, 2008, at 2:21 PM, Tarandeep Singh wrote: I want to know whether the key,values received by a particular reducer at a node are stored locally on that node or are stored on DFS (and hence replicated over cluster according to replication factor set by user) Map outputs (and reduce inp

key,Values at Reducer are local or present in DFS

Hi, I want to know whether the key,values received by a particular reducer at a node are stored locally on that node or are stored on DFS (and hence replicated over cluster according to replication factor set by user) One more question- How does framework replicates the data? Say Node A writes a