Jacek Lewandowski created CASSANDRA-17402:
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Summary: Unshared heap size excluding data calculation is broken
Key: CASSANDRA-17402
URL: https://issues.apache.org/jira/browse/CASSANDRA-17402
Project: Cassandra
Issue Type: Bug
Components: Local/Memtable
Reporter: Jacek Lewandowski
Assignee: Jacek Lewandowski
Unshared heap size excluding data calculation is broken.
For example, it does not takes into consideration whether the buffers are
on-heap or off-heap - empty offheap buffer is 64-bytes while empty heap buffer
is 48-bytes.
It matters especially when we have offheap buffers-based memtables.
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