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From Brahma Reddy Battula <brahmareddy.batt...@huawei.com>
Subject RE: [DISCUSS] Retire BKJM from trunk?
Date Thu, 28 Jul 2016 09:21:15 GMT

Yes, We can remove from trunk and  can be deprecated in branch-2. We confirmed with all the
existing customers on this..

--Brahma Reddy Battula

-----Original Message-----
From: Gangumalla, Uma [mailto:uma.gangumalla@intel.com] 
Sent: 28 July 2016 13:22
To: Rakesh Radhakrishnan; Sijie Guo
Cc: dev@bookkeeper.apache.org; Uma gangumalla; Vinayakumar B; hdfs-dev@hadoop.apache.org;
user@hadoop.apache.org; user@bookkeeper.apache.org
Subject: Re: [DISCUSS] Retire BKJM from trunk?

For Huawei, Vinay/Brahma should know about their usage. I think after QJM stabilized and ready
they also adopted to QJM is what I know, but they should know more than me as I left that
employer while ago.

If no one is using it, It is ok to remove.


On 7/27/16, 9:49 PM, "Rakesh Radhakrishnan" <rakeshr@apache.org> wrote:

>If I remember correctly, Huawei also adopted QJM component. I hope 
>@Vinay might have discussed internally in Huawei before starting this 
>e-mail discussion thread. I'm +1, for removing the bkjm contrib from 
>the trunk code.
>Also, there are quite few open sub-tasks under HDFS-3399 umbrella jira, 
>which was used for the BKJM implementation time. How about closing 
>these jira by marking as "Won't Fix"?
>On Thu, Jul 28, 2016 at 1:53 AM, Sijie Guo <sijie@apache.org> wrote:
>> + Rakesh and Uma
>> Rakesh and Uma might have a better idea on this. I think Huawei was 
>>using  it when Rakesh and Uma worked there.
>> - Sijie
>> On Wed, Jul 27, 2016 at 12:06 PM, Chris Nauroth 
>> wrote:
>> > I recommend including the BookKeeper community in this discussion.
>> > added their user@ and dev@ lists to this thread.
>> >
>> > I do not see BKJM being used in practice.  Removing it from trunk
>> be
>> > attractive in terms of less code for Hadoop to maintain and build,
>>but if
>> > we find existing users that want to keep it, I wouldn¹t object.
>> >
>> > --Chris Nauroth
>> >
>> > On 7/26/16, 11:14 PM, "Vinayakumar B" <vinayakumar.ba@huawei.com>
>> >
>> >     Hi All,
>> >
>> >        BKJM was Active and made much stable when the NameNode HA 
>> > was implemented and there was no QJM implemented.
>> >        Now QJM is present and is much stable which is adopted by 
>> > many production environment.
>> >        I wonder whether it would be a good time to retire BKJM from
>> trunk?
>> >
>> >        Are there any users of BKJM exists?
>> >
>> >     -Vinay
>> >
>> >
>> >

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