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From Billie J Rinaldi <>
Subject Re: Is anyone interested in data retention policies?
Date Thu, 22 Mar 2012 17:59:31 GMT
On Thursday, March 22, 2012 7:47:11 AM, "David Medinets" <> wrote:
> Last night, at our accumulo meetup, someone brought up the idea of
> data retention. One response suggested using the timestamp field to
> handle data retention but I think the topic is more complex. Does
> anyone have specific experience with data retention policies?

There is a ColumnAgeOffFilter that lets you specify a time-to-live per column.  This could
be used to satisfy a more complex policy for aging data off at different rates, assuming a
distinguishing characteristic were stored in the column.


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