I enhanced the patch a lot and posted the fourth one to the RB.  I think the
patch (and AM) is getting reliable and stable now.

Please take a look in case I overlook something, or cause some new issue:

https://reviews.apache.org/r/7305/

Thanks,
Jimmy

On Wed, Sep 26, 2012 at 4:39 PM, Jimmy Xiang <[EMAIL PROTECTED]> wrote:
> The AssignmentManager enhancement part 2, HBASE-6611,  I presented
> during the pow-wow, is ready for review.
>
> https://reviews.apache.org/r/7305/
>
> I did some performance testing in my small cluster and it took around
> 300 seconds to assign around 10,000 regions to 4 region servers with
> the patch.
> Without the patch, it took around 290 seconds.
>
> Thanks,
> Jimmy