On Fri, Aug 31, 2012 at 7:03 AM, Alexander Shutyaev <shutyaev@gmail.com> wrote:
Does anyone have any suggestions on how can I analyze my problem? Or maybe I'm doing something wrong and there is another way to force gc on an existing column family.

Are you using leveled compaction? I haven't looked into it too much, but I think forcing a major compaction when using leveled strategy doesn't have the same effect as with size tiered. 

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Derek Williams