> We can see from below that you've tweaked and disabled many of the memory > "safety valve" and other memory related settings. Agree. Also you are running with JVM heap size of 3.81GB which is non default. For a 16GB node I would expect 8GB.
Try restoring the yaml values to the defaults and allowing the cassandra-env.sh file to determine the memory size. Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 5/04/2013, at 12:36 PM, Bryan Talbot <btal...@aeriagames.com> wrote: > On Thu, Apr 4, 2013 at 1:27 AM, <adeel.ak...@panasiangroup.com> wrote: > > After some time (1 hour / 2 hour) cassandra shut services on one or two nodes > with follwoing errors; > > > Wonder what the workload and schema is like ... > > We can see from below that you've tweaked and disabled many of the memory > "safety valve" and other memory related settings. Those could be causing > issues too. > > > hinted_handoff_throttle_delay_in_ms: 0 > flush_largest_memtables_at: 1.0 > reduce_cache_sizes_at: 1.0 > reduce_cache_capacity_to: 0.6 > rpc_keepalive: true > rpc_server_type: sync > rpc_min_threads: 16 > rpc_max_threads: 2147483647 > in_memory_compaction_limit_in_mb: 256 > compaction_throughput_mb_per_sec: 16 > rpc_timeout_in_ms: 15000 > dynamic_snitch_badness_threshold: 0.0