A similar question- If in an N node cluster, a file's replication is set to N (replicate on each node) and later if a node goes down, will HDFS throw an exception since the file's replication has gone down below the specified number ?
Thanks, Tarandeep On Wed, Aug 12, 2009 at 12:11 PM, Konstantin Shvachko <[email protected]>wrote: > You can try it: start a 3 node cluster and create a file with replication > 5. > > The answer is that each data-node can store only one replica of a block. > So in your case you will get an exception on close() saying the file cannot > be fully replicated. > > Thanks, > --Konstantin > > > Rakhi Khatwani wrote: > >> Hi, >> I just wanted to know what if we have set the replication factor greater >> than the number of nodes in the cluster. >> for example, i have only 3 nodes in my cluster but i set the replication >> factor to 5. >> >> will it create 3 copies and save it in each node, or can it create more >> than >> one copy per node? >> >> Regards, >> Raakhi Khatwani >> >>
