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Posted to user@hbase.apache.org by Woosuk Suh <pi...@gmail.com> on 2009/09/02 14:27:44 UTC

Question about the VERSION feature of column

Hello.First of all, I want to say thank you for all of you who are concerned
with this rocking HBase software!

The column of HBase has the feature called "VERSION" like below.

{COLUMN => 'c1', TIMESTAMP => ts1, *VERSIONS* => 4}

So, making it short, my question is like this.
Is there any way to make this VERSION value to be infinite?
In other words, can I make HBase to save all the traces of the update of a
cell without deleting the older version?

Thanks in advance!

Yours Sincerely,
Woosuk Suh.

Re: Question about the VERSION feature of column

Posted by Woosuk Suh <pi...@gmail.com>.
Wow, that`s pretty big number ; )Thank you for your kind reply!

Sincerely,
Woosuk Suh

2009/9/2 Jean-Daniel Cryans <jd...@apache.org>

> You can set it to max Long.MAX_VALUE which is 2^63 - 1. I think that
> will be enough.
>
> J-D
>
> On Wed, Sep 2, 2009 at 8:27 AM, Woosuk Suh<pi...@gmail.com> wrote:
> > Hello.First of all, I want to say thank you for all of you who are
> concerned
> > with this rocking HBase software!
> >
> > The column of HBase has the feature called "VERSION" like below.
> >
> > {COLUMN => 'c1', TIMESTAMP => ts1, *VERSIONS* => 4}
> >
> > So, making it short, my question is like this.
> > Is there any way to make this VERSION value to be infinite?
> > In other words, can I make HBase to save all the traces of the update of
> a
> > cell without deleting the older version?
> >
> > Thanks in advance!
> >
> > Yours Sincerely,
> > Woosuk Suh.
> >
>

Re: Question about the VERSION feature of column

Posted by Jean-Daniel Cryans <jd...@apache.org>.
You can set it to max Long.MAX_VALUE which is 2^63 - 1. I think that
will be enough.

J-D

On Wed, Sep 2, 2009 at 8:27 AM, Woosuk Suh<pi...@gmail.com> wrote:
> Hello.First of all, I want to say thank you for all of you who are concerned
> with this rocking HBase software!
>
> The column of HBase has the feature called "VERSION" like below.
>
> {COLUMN => 'c1', TIMESTAMP => ts1, *VERSIONS* => 4}
>
> So, making it short, my question is like this.
> Is there any way to make this VERSION value to be infinite?
> In other words, can I make HBase to save all the traces of the update of a
> cell without deleting the older version?
>
> Thanks in advance!
>
> Yours Sincerely,
> Woosuk Suh.
>