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Posted to mapreduce-user@hadoop.apache.org by Lixiang Ao <ao...@gmail.com> on 2014/12/02 08:06:09 UTC

Re: Namenode HA failover time

I am curious about this, too.

On Sat, Nov 29, 2014 at 2:35 PM, Alice <69...@gmail.com> wrote:

> Hi,all:
>
> Namenode HA (NFS, QJM) is available in hadoop 2.x (HDFS-1623). It provides
> fast failover for Namenode, but I can't find any description on how long
> does it take to recover from failure.
>
> Could any one tell me?
>
> Thanks.
>
>
>