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From Andrew Purtell <apurt...@apache.org>
Subject Re: HBASE-1730 and HBASE-4213
Date Fri, 19 Aug 2011 16:16:56 GMT
Nileema,


> PS: I am new to HBase and was working on this during my internship. I wasn't

> aware of other efforts towards this. Apologies if I created any
> inconvenience.


Your contributed efforts can only bring a benefit of some kind!
 
Best regards,


   - Andy

Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)


----- Original Message -----
> From: nileema shingte <nileema.shingte@gmail.com>
> To: Stack <stack@duboce.net>
> Cc: dev@hbase.apache.org; Subbu M Iyer <msiyer@gmail.com>
> Sent: Thursday, August 18, 2011 9:03 PM
> Subject: Re: HBASE-1730 and HBASE-4213
> 
> Hi Guys,
> 
> Thank you for starting a thread to bring this to closure.
> 
> I have only read Subbu's description of the approach. I believe the main
> difference is that 4213 uses the zookeeper to maintain if all regions have
> the updated schema and reopening the regions is the RegionServer's
> responsibility, where as 1730 it happens in memory in the Master, and
> reopens are issued by the master.
> 
> I have not read through the patch submitted on 4213, so am not sure if it
> allows you to configure the number of regions that reopen at a time. Apart
> from this I think that 1730 is a subset of 4213 and if 4213 agrees more with
> the HBase ideology, we should definitely use that as a patch.
> 
> In either case, I will respond to the comments on the Jira and upload
> detailed description for the same.
> 
> Thanks,
> Nileema
> 
> PS: I am new to HBase and was working on this during my internship. I wasn't
> aware of other efforts towards this. Apologies if I created any
> inconvenience.
> 
> 
> 
> On Thu, Aug 18, 2011 at 8:26 PM, Stack <stack@duboce.net> wrote:
> 
>>  On Fri, Aug 19, 2011 at 3:04 AM, Ted Yu <yuzhihong@gmail.com> wrote:
>>  > Surely they do.
>>  > If they summarize their plan, it would be easier for others to make a
>>  decision.
>>  >
>>  >
>> 
>>  I'd tend to think its their decision to make.  We are just here to
>>  cheer them on (smile).
>> 
>>  Subbu you going to come to the hackathon
>>  (http://www.meetup.com/hackathon/) or meetup on Monday
>>  (http://www.meetup.com/hbaseusergroup/events/28518471/)?  You Nileema?
>> 
>>  Good stuff,
>>  St.Ack
>> 
>

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