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From Brandon Williams <>
Subject Re: Upgrading to 1.0
Date Sat, 05 Nov 2011 19:57:02 GMT
On Sat, Nov 5, 2011 at 1:31 PM, Jake Maizel <> wrote:
> If we upgrade and want to use compression, how is the old data handled?
> Does it read and then write all sstables out to new compressed files one at
> a time or do something else?  I'm considering the storage require on top of
> what is needed for the existing data.

Any newly written sstable (from a memtable flush, compaction, etc)
will have compression enabled.  Since you'll need to scrub after
upgrading for streaming to work, this will result in all the sstables
being compressed.


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