How long would your datanode be out of service ? If the duration is long (say 1 day), you'd better decommission it first.
Otherwise, datanode restart can be done without going through decommissioning. On Thu, Sep 18, 2014 at 8:25 AM, Biju N <bijuatapa...@gmail.com> wrote: > Hello There, > Can individual datanodes restarted (through service command) or do we > need to add it to the exclude file in NN, restart DN it, remove it from the > exclude file in NN as if the data node is being decommissioned and put > back? Any feedback on this is much appreciated. > > Thanks, > Biju >
