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From Jeroen Hoek <jer...@lable.org>
Subject Recognising row creation and deletion in a co-processor
Date Mon, 24 Sep 2012 13:40:09 GMT
>From what I can tell, a fairly simple way to maintain a secondary
index table in HBase is to write a co-processor that acts on the
postDelete and postPut hooks of the table it is indexing for;
maintaining the index as rows get deleted and inserted.

For a Put it really doesn't matter if a row is new or just updated,
the indexer can simply do a Put itself; it doesn't matter if the row
was already indexed, it will just get updated. But what about Delete?

Is there a recommend way of detecting row deletion from the Delete
object supplied to the co-processor? Or is this approach the wrong way

Kind regards,

Jeroen Hoek

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