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From Mike Drob <>
Subject Re: rf_tmp file [SEC=UNOFFICIAL]
Date Thu, 07 Aug 2014 13:51:16 GMT
Which version of Accumulo are you seeing these files in?

They should be getting cleaned up automatically after was added to 1.4.5,
1.5.1, and 1.6.0.

The brief explanation of their purpose is that they are the temporary files
for minor/major compactions while the data is still being written and then
they are moved in to place.


On Wed, Aug 6, 2014 at 11:34 PM, Dickson, Matt MR <> wrote:

> What purpose does the nnnn.rf_tmp file on hdfs serve?  Its often 0kb size
> and there appear to be a lot of these older than the table ageoff filter.
> Can we safely remove these?
> Thanks in advance,
> Matt

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