What Cassandra version? CMS or G1? What are your timeouts set to?
"GC activity" - Even if there isn't a lot of activity per se maybe there
is a single long pause happening. I have seen large partitions cause lots
of allocation fast.
Looking at SSTable Levels in nodetool cfstats can help, look at
I have a table that uses LCS and has wound up with partitions upwards of
700 MB. I am seeing lots of the large partition warnings. Client requests
are subsequently failing. The driver is not reporting timeout exception,
just NoHostAvailableExceptions (in the logs I have reviewed so far). I know
tha