Do kylin cache cube/segment data elsewhere other then hbase

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Do kylin cache cube/segment data elsewhere other then hbase

Nirav Patel
Do kylin stores cube data anywhere apart from hbase currently? Does it
maintain in-memory or cache of say latest data which can be queried faster
using bitmaps rather then querying with hbase filters.

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Re: Do kylin cache cube/segment data elsewhere other then hbase

Yang
All cube data are in HBase now. HBase mem cache helps to keep recently used
cube in memory.

On Tue, May 16, 2017 at 5:21 AM, Nirav Patel <[hidden email]> wrote:

> Do kylin stores cube data anywhere apart from hbase currently? Does it
> maintain in-memory or cache of say latest data which can be queried faster
> using bitmaps rather then querying with hbase filters.
>
> --
>
>
> [image: What's New with Xactly] <http://www.xactlycorp.com/email-click/>
>
> <https://www.nyse.com/quote/XNYS:XTLY>  [image: LinkedIn]
> <https://www.linkedin.com/company/xactly-corporation>  [image: Twitter]
> <https://twitter.com/Xactly>  [image: Facebook]
> <https://www.facebook.com/XactlyCorp>  [image: YouTube]
> <http://www.youtube.com/xactlycorporation>
>
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Re: Do kylin cache cube/segment data elsewhere other then hbase

Alberto Ramón
FYI.

From HBase 1.1 you can use MemCache as Block Cache in HBase HBase 13170
<https://issues.apache.org/jira/browse/HBASE-13170> MemCache is write on C
and bypass the Java GC problem in BlockCache --> Fast

Improvement:

HBase 14984 <https://issues.apache.org/jira/browse/HBASE-14984> v1.2.0
*hbase.cache.memcached.spy.optimze
=true *

On 26 May 2017 at 10:00, Li Yang <[hidden email]> wrote:

> All cube data are in HBase now. HBase mem cache helps to keep recently used
> cube in memory.
>
> On Tue, May 16, 2017 at 5:21 AM, Nirav Patel <[hidden email]>
> wrote:
>
> > Do kylin stores cube data anywhere apart from hbase currently? Does it
> > maintain in-memory or cache of say latest data which can be queried
> faster
> > using bitmaps rather then querying with hbase filters.
> >
> > --
> >
> >
> > [image: What's New with Xactly] <http://www.xactlycorp.com/email-click/>
> >
> > <https://www.nyse.com/quote/XNYS:XTLY>  [image: LinkedIn]
> > <https://www.linkedin.com/company/xactly-corporation>  [image: Twitter]
> > <https://twitter.com/Xactly>  [image: Facebook]
> > <https://www.facebook.com/XactlyCorp>  [image: YouTube]
> > <http://www.youtube.com/xactlycorporation>
> >
>