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Posted to common-user@hadoop.apache.org by Alice <69...@gmail.com> on 2014/11/29 07:35:02 UTC
Namenode HA failover time
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.
Re: Namenode HA failover time
Posted by Lixiang Ao <ao...@gmail.com>.
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.
>
>
>
Re: Namenode HA failover time
Posted by Lixiang Ao <ao...@gmail.com>.
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.
>
>
>
Re: Namenode HA failover time
Posted by Lixiang Ao <ao...@gmail.com>.
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.
>
>
>
Re: Namenode HA failover time
Posted by Lixiang Ao <ao...@gmail.com>.
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.
>
>
>