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From Stas Oskin <stas.os...@gmail.com>
Subject Re: HADOOP-4539 question
Date Sun, 20 Sep 2009 23:38:08 GMT
Hi.

Just wanted to find out about the status of this feature.

Any idea what release this is planned for?

Regards.

2009/8/17 Edward Capriolo <edlinuxguru@gmail.com>

> There are some native ha like solutions that feature clustering
> electing a dc and messaging. Check out shoal. I tinkered with build a
> linux ha like kit over shoal.
>
> On 8/13/09, Konstantin Shvachko <shv@yahoo-inc.com> wrote:
> > There is no "native" HA solution for HDFS at the moment.
> > "External" HA solutions, like Coudera's may exist.
> > Cannot speak for everybody, but I know at least one different approach.
> >
> > --Konstantin
> >
> > Stas Oskin wrote:
> >> Hi.
> >>
> >>> This is exactly the goal (long term). To evolve BN into StandbyNode,
> >>> which will be able to take over when main NN dies without restarting
> >>> anything else.
> >>> And the only remaining step is to implement fail-over mechanism.
> >>>
> >>>
> >>
> >> Just to clarify, for the near future, the only HA option is Cloudera
>  DRDB
> >> approach.
> >>
> >> Correct?
> >>
> >
>

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