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From Otis Gospodnetic <otis.gospodne...@gmail.com>
Subject Re: HBase without compactions?
Date Tue, 19 Feb 2013 06:05:40 GMT
And MapR has their own, completely reimplemented HDFS without these
deficiencies.... and I can stop dreaming about compactionless Apache HBase?

Otis
--
HBASE Performance Monitoring - http://sematext.com/spm/index.html



On Tue, Feb 19, 2013 at 12:46 AM, Michael Segel
<michael_segel@hotmail.com>wrote:

>
> 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 <otis.gospodnetic@gmail.com>
> wrote:
>
> > Hi,
> >
> >
> > On Mon, Feb 18, 2013 at 11:50 PM, Michael Segel
> > <michael_segel@hotmail.com>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 <
> otis.gospodnetic@gmail.com>
> >> 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
> >>
> >>
>
>

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