Thanks all for voting (and discussing). The ayes have it. I'll go commit HDFS-630 to 0.21. St.Ack
On Mon, Jan 25, 2010 at 5:36 AM, Steve Loughran <ste...@apache.org> wrote: > Cosmin Lehene wrote: >> >> Steve, >> A DoS could not be done using excludedNodes. >> >> The blacklisting takes place only at DFSClientLevel. The NN will return a >> list of block locations that excludes the nodes the client decided. This >> list isn't persisted anywhere on the server. So if a client excludes the >> entire set of DNs other clients won't be affected. >> > > OK, +1 then. >