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HBase >> mail # user >> Reverse timestamp

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Re: Reverse timestamp
Hi Mark,

Here is an example for generating reverse timestamps. Hope it helps:


Best Regards,
Crux: Reporting for HBase <https://github.com/sonalgoyal/crux>
Nube Technologies <http://www.nubetech.co>


On Sat, Aug 20, 2011 at 10:56 AM, lars hofhansl <[EMAIL PROTECTED]> wrote:

> HBase maps (row-key, column family name, column, timestamp) to a value.
> The KeyValues are also sorted by the same attributes in reverse timestamp
> order.
> The default timestamp is the current time, but you can set any long value
> (which does not need correlate in any way to the time domain)
> as the time stamp and hence define your own ordering within multiple
> version of the same row key.
> See Put: Put(byte[] row, long ts).
> Is that what you meant?
> -- Lars
> ________________________________
> From: Mark <[EMAIL PROTECTED]>
> Sent: Friday, August 19, 2011 6:39 PM
> Subject: Reverse timestamp
> I understand the need but I don't understand how to generate a reverse
> timestamp. Can someone please explain how this is accomplished and how I can
> test that its working correctly?
> Thanks