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Date: Wed, 6 Nov 2013 10:05:16 +0530
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Subject: Re: BKJM - anyone using it?
From: Uma Maheswara Rao G <hadoop.uma@gmail.com>
To: "hdfs-dev@hadoop.apache.org" <hdfs-dev@hadoop.apache.org>
Cc: Ivan Kelly <ivank@apache.org>
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Hi Todd,

Did you see the JIRA HDFS-4265 ? which is under HDFS-3399
Recently Rakesh has updated the patch.

Regards,
Uma


On Wed, Nov 6, 2013 at 1:36 AM, Todd Lipcon <todd@cloudera.com> wrote:

> Hey folks,
>
> Is anyone using BKJM? The BookKeeper-based HA approach was developed around
> the same time as QuorumJournalManager, but I haven't seen much reported
> about it in the last year, and I'm not aware of anyone having deployed BKJM
> in any production use cases.
>
> If no one is using it, I would propose removing it from the HDFS tree - if
> anyone would like to experiment with it in the future, it could be
> built/developed on github as an external project. If a significant
> community emerges in the future, we could consider moving it back in.
>
> (this isn't a formal vote thread, just trying to find out if it is indeed
> abandoned)
>
> -Todd
>
> --
> Todd Lipcon
> Software Engineer, Cloudera
>