Update:
I check the source code:
https://github.com/apache/cassandra/blob/4a0d1caa262af3b6f2b6d329e45766b4df845a88/src/java/org/apache/cassandra/tools/nodetool/Info.java#L154
Off heap memory usage comes from four parts. I rechecked cfstats to find
out Bloom filter takes most of the off heap memor
Hi,
When I switch a big table from STCS to LCS, I notice high off heap memory
usage using nodetool cfstats. "*Off heap memory used (total)*" shows +10G
usage.
Eventually my nodes died because of OOM. How do I throttle off heap usage?
The only thing I see in cassandra.yaml is *memtable_offheap_spa