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Posted to user@hbase.apache.org by Manjeet Singh <ma...@gmail.com> on 2017/02/01 00:09:10 UTC
Re: Hbase data version performance impact
Hi Ted
Its mean I have no other way to load specific version value the only way to
load all value at client side and get version of my choice.
Manjeet
On 1 Feb 2017 00:25, "Ted Yu" <yu...@gmail.com> wrote:
> For #3, you need to retrieve multiple versions (to get to V2).
>
> Take a look at TestVisibilityLabelsWithDeletes#
> testDeleteColumnWithLatestTimeStampUsingMultipleVersions
> around line 1368.
>
> FYI
>
> On Tue, Jan 31, 2017 at 9:58 AM, Manjeet Singh <manjeet.chandhok@gmail.com
> >
> wrote:
>
> > Hi All
> >
> > can anyone tell me what is the Impact of using Hbase data version
> >
> > Q1 what is the impact if I have 1000 version set or what if its 10000
> >
> > Q2 Is it good idea to put non default version in different column family?
> >
> >
> > Q3 Does version support to get specific version value?
> > as showing below I want to use only A2
> > rk header header2
> > 001 A1 V1
> > 001 A2 V2
> > 001 A3 V3
> >
> > Q4 Any idea to use concept of Nested table in Hbase? I am considering
> > version
> >
> >
> > Thanks
> > Manjeet
> >
> >
> >
> > --
> > luv all
> >
>
Re: Hbase data version performance impact
Posted by Ted Yu <yu...@gmail.com>.
bq. load all value at client side
You can do the above or, if there're a lot of versions for each cell, you
can implement Coprocessor which retrieves the versions on server side and
returns desired one(s) back to client.
On Tue, Jan 31, 2017 at 4:09 PM, Manjeet Singh <ma...@gmail.com>
wrote:
> Hi Ted
>
> Its mean I have no other way to load specific version value the only way to
> load all value at client side and get version of my choice.
>
> Manjeet
> On 1 Feb 2017 00:25, "Ted Yu" <yu...@gmail.com> wrote:
>
> > For #3, you need to retrieve multiple versions (to get to V2).
> >
> > Take a look at TestVisibilityLabelsWithDeletes#
> > testDeleteColumnWithLatestTimeStampUsingMultipleVersions
> > around line 1368.
> >
> > FYI
> >
> > On Tue, Jan 31, 2017 at 9:58 AM, Manjeet Singh <
> manjeet.chandhok@gmail.com
> > >
> > wrote:
> >
> > > Hi All
> > >
> > > can anyone tell me what is the Impact of using Hbase data version
> > >
> > > Q1 what is the impact if I have 1000 version set or what if its 10000
> > >
> > > Q2 Is it good idea to put non default version in different column
> family?
> > >
> > >
> > > Q3 Does version support to get specific version value?
> > > as showing below I want to use only A2
> > > rk header header2
> > > 001 A1 V1
> > > 001 A2 V2
> > > 001 A3 V3
> > >
> > > Q4 Any idea to use concept of Nested table in Hbase? I am considering
> > > version
> > >
> > >
> > > Thanks
> > > Manjeet
> > >
> > >
> > >
> > > --
> > > luv all
> > >
> >
>