May it be a SizeTieredCompaction of big SSTables just finished and freed some space?

Carlos Alonso | Software Engineer | @calonso

On 26 November 2015 at 08:55, Luigi Tagliamonte <> wrote:
Hi Everyone,
I'd like to understand what cleanup does on a running cluster when there is no cluster topology change, i did a test and i saw the cluster disk space shrink of 200GB.
I'm using cassandra 2.1.9.
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