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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Using HBase for real time transaction
Date Tue, 20 Sep 2011 22:05:31 GMT
While HBase isn't ACID-compliant, it does have have some guarantees:

http://hbase.apache.org/acid-semantics.html

J-D

On Tue, Sep 20, 2011 at 2:56 PM, Michael Segel
<michael_segel@hotmail.com> wrote:
>
> Since Tom isn't technical... ;-)
>
> The short answer is No.
> HBase is not capable of being a transactional because it doesn't support transactions.
> Nor is HBase ACID compliant.
>
> Having said that, yes you can use HBase to serve data in real time.
>
> HTH
>
> -Mike
>
>
>> Subject: Re: Using HBase for real time transaction
>> From: jignesh@websoft.com
>> Date: Tue, 20 Sep 2011 17:25:17 -0400
>> To: common-user@hadoop.apache.org
>>
>> Tom,
>> Let me reword: can HBase be used as a transactional database(i.e. in replacement
of mysql)?
>>
>> The requirement is to have real time read and write operations. I mean as soon as
data is written the user should see the data(Here data should be written in Hbase).
>>
>> -Jignesh
>>
>>
>> On Sep 20, 2011, at 5:11 PM, Tom Deutsch wrote:
>>
>> > Real-time means different things to different people. Can you share your
>> > latency requirements from the time the data is generated to when it needs
>> > to be consumed, or how you are thinking of using Hbase in the overall
>> > flow?
>> >
>> > ------------------------------------------------
>> > Tom Deutsch
>> > Program Director
>> > CTO Office: Information Management
>> > Hadoop Product Manager / Customer Exec
>> > IBM
>> > 3565 Harbor Blvd
>> > Costa Mesa, CA 92626-1420
>> > tdeutsch@us.ibm.com
>> >
>> >
>> >
>> >
>> > Jignesh Patel <jignesh@websoft.com>
>> > 09/20/2011 12:57 PM
>> > Please respond to
>> > common-user@hadoop.apache.org
>> >
>> >
>> > To
>> > common-user@hadoop.apache.org
>> > cc
>> >
>> > Subject
>> > Using HBase for real time transaction
>> >
>> >
>> >
>> >
>> >
>> >
>> > We are exploring possibility of using HBase for the real time
>> > transactions. Is that possible?
>> >
>> > -Jignesh
>> >
>>
>

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