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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Cassandra disk space utilization WAY higher than I would expect
Date Wed, 07 Jul 2010 17:27:30 GMT
On Wed, Jul 7, 2010 at 12:10 PM, Julie <julie.sugar@nextcentury.com> wrote:
> I am thinking that the timestamps and column names should be included in the
> column family stats, which basically says 300,000 rows that are 100KB each=30
> GB.  My rows only have 1 column so there should only be one timestamp.  My
> column name is only 10 bytes long.
>
> This doesn't explain why 30 GB of data is taking up 106 GB of disk 24 hours
> after all writes have completed.  Compactions should be complete, no?

http://wiki.apache.org/cassandra/MemtableSSTable should help.

-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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