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From Mike Drob <>
Subject Re: Identify tablets with no new data loaded [SEC=UNOFFICIAL]
Date Wed, 30 Apr 2014 01:41:24 GMT
It's a bit crude, but you could look at time stamps of the files in hdfs to
get the time of the last minor compact.
On Apr 29, 2014 7:35 PM, "Dickson, Matt MR" <>

> Hi,
> Is there a way to identify tablets that have had no data loaded into them
> for a period of time, eg 7 days?  My guess is that it this information
> is in the metadata table but I'm not sure how to get it.  The reason for
> asking is that I'd like to be able to list these tablets and force a
> compaction on them to ageoff old data.  Because no data is being added, the
> ageoff never occurs and our disk space usage continues to climb.
> Thanks in advance,
> Matt

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