Some things that are helpful:
- What version of Cassandra
- How much memory allocated to heap
- How much memory allocated to direct memory for the JVM
- How much memory on the full system
- Do you have a heap dump?
- Do you have a heap histogram?
- How much data on disk?
- What are your
Just to confirm, is this memory decline outside of the Cassandra process? If
so, I’d look at crond and at memory held for network traffic. Those are the
two areas I’ve seen leak. If you’ve configured to have swap=0, then you end up
in a position where even if the memory usage is stale,
Hello,
Im seeing continuous decline in memory on a Cassandra instance used to have
20g free memory 15 days back and now its 15g and continue to go down. Same
instance it caused the cassandra instance crash before. Can you please give
me some pointers to look for which is causing continuous
