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Posted to user@hbase.apache.org by Mike Peterson <mi...@mail.ru> on 2014/04/05 19:37:24 UTC

Re[2]: Moving older data versions to archive

 Thank you for your response. After thinking a little bit about this, I think for me the ideal solution would be saving the old data to a separate file during compaction. It should work much faster than coprocessors.


Thu, 3 Apr 2014 14:55:32 -0400 от Jean-Marc Spaggiari <je...@spaggiari.org>:
>Hey, that's one of the reasons I have opened HBASE-10115 but never got a chance to work on it. Basically, setup a TTL on the column, and with the hook, move the cells somewhere else.
>
>With current state, the only thing I see is a MR job which will run daily and move the older versions. Like, anything where version > 3 (as an example) and then delete it (or expire it with TTL, etc.). If unfortunatly don't think there is a "nice" solution to do that today.
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>JM
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>
>2014-04-03 11:33 GMT-04:00 Mike Peterson  < mikepeterson@mail.ru > :
>> I need data versioning but want to keep older data in a separate location (to keep the current data file denser). What would be the best way to do that?