Replication factor is per file, and set when written. When you wrote the file, RF was 3. Changing -default- replication factor for new files does not affect existing files.
On Tue, Aug 7, 2012 at 10:23 AM, Brahma Reddy Battula < brahmareddy.batt...@huawei.com> wrote: > Hi All, > > I ended up with over-replicated blocks which are not getting deleted.. > > I did like following.. > > Started hadoop cluster with three DN's > > Written 1k files with RF (Replication Factor) =3 > > Change RF =2 and Exclude one DN from cluster using decommission > > After decommission successful again include same DN(which is excluded) > to cluster.(by removing entry in exclude file and execute refreshnode) > > In UI I am able to see RF=2 but in fsck report shown as RF=3 and all > are over-replicated blocks. > > > i) I am not getting why NN is not issuing delete command > for over-replicate blocks.? > > ii) why fsck and ui are showing different RF for same file? > > > Please correct me if I am wrong... > > If it is issue I'll file? > > > Thanks And Regards > > Brahma Reddy >
