2010/8/2 Peter Schuller <peter.schuller@infidyne.com>
> First, Cassandra suddenly dies during compaction. Java core dump says that
> the last thread run was  "COMPACTION-POOL:1".
> I suspect that my business logic could lead size of columns in a column
> family per a row to be greater than two gigabytes. (but i couldn't confirm
> it yet)

Are you running out of memory (java heap)? If you're running cassandra
with default options, it will be running with
-XX:+HeapDumpOnOutOfMemoryError

Have you checked the cassandra system.log for garbage collection
messages? What is in the last minute or two of logs?

--
/ Peter Schuller