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HBase, mail # user - HBase without compactions?


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Re: HBase without compactions?
Michael Segel 2013-02-19, 05:46

In a single word, yes.

Or rather you can't have a compactionless HBase without fixing the deficiencies in HDFS.

On Feb 18, 2013, at 11:01 PM, Otis Gospodnetic <[EMAIL PROTECTED]> wrote:

> Hi,
>
>
> On Mon, Feb 18, 2013 at 11:50 PM, Michael Segel
> <[EMAIL PROTECTED]>wrote:
>
>> Take a look at MapR's M7
>>
>> For Apache based Hadoop and HBase, you will need to evolve HDFS.
>>
>
>
> What do you mean by evolve HDFS?  You mean HDFS would need to change if
> Apache HBase were to become compactionless?
>
> Otis
> --
> HBASE Performance Monitoring - http://sematext.com/spm/index.html
>
>
>
>>
>>
>> On Feb 18, 2013, at 9:30 PM, Otis Gospodnetic <[EMAIL PROTECTED]>
>> wrote:
>>
>>> Hello,
>>>
>>> It's kind of funny, we run SPM, which includes SPM for HBase (performance
>>> monitoring service/tool for HBase essentially) and we currently store all
>>> performance metrics in HBase.
>>>
>>> I see a ton of HBase development activity, which is great, but it just
>>> occurred to me that I don't think I recall seeing anything about getting
>>> rid of compactions.  Yet, compactions are one thing that I know hurt us
>> the
>>> most and is one thing that MapR somehow got rid of in their
>> implementation.
>>>
>>> Have there been any discussions,attempts, or thoughts about finding a way
>>> to avoid compactions?
>>>
>>> Thanks,
>>> Otis
>>> --
>>> HBASE Performance Monitoring - http://sematext.com/spm/index.html
>>
>>