hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Flavio Junqueira <...@yahoo-inc.com>
Subject Re: Omid: Transactional Support for HBase
Date Sat, 05 Nov 2011 18:56:01 GMT
Hi Stack, It is an old jira: HBASE-2315.

-Flavio

On Nov 5, 2011, at 7:40 PM, Stack wrote:

> On Sat, Nov 5, 2011 at 12:53 AM, Flavio Junqueira <fpj@yahoo- 
> inc.com> wrote:
>>
>> On Nov 5, 2011, at 5:37 AM, lars hofhansl wrote:
>>
>>> One thing I was wondering: Why bookkeeper? Why not store the WAL  
>>> itself in
>>> HBase? That way
>>> you might not even need a separate server.
>>>
>>
>> Lars, The key reasons are performance and scalability. We also  
>> would like to
>> have region servers at some point using BookKeeper for WAL for our
>> applications, even though the figure doesn't show it. In that case,  
>> we have
>> a common platform for WAL. We have a jira open about it, but we  
>> haven't made
>> progress in a while due to other priorities and some issues with  
>> the WAL
>> interface, but we have been planning on getting back to it.
>>
>> Btw, I'm assuming you know about the project:
>> http://zookeeper.apache.org/bookkeeper/
>>
>
> Please keep us posted on project.  It sounds like an interesting
> experiment.  What is the JIRA so we can follow.   What are the WAL
> Interface issues (same as for NN?).
>
> Thanks Flavio,
> St.Ack

flavio
junqueira

research scientist

fpj@yahoo-inc.com
direct +34 93-183-8828

avinguda diagonal 177, 8th floor, barcelona, 08018, es
phone (408) 349 3300    fax (408) 349 3301


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message