Re: spikes in blocked native transport requests

See the details on: https://issues.apache.org/jira/browse/CASSANDRA-11363 You may need to add -Dcassandra.max_queued_native_transport_requests=4096 as a startup parameter. YMMV though, I suggest reading through the above to get a complete picture. On Mon, Mar 20, 2017 at 11:10 PM, Roland Otta

Re: spikes in blocked native transport requests

Did you check STW GCs? You can do that with 'nodetool gcstats', by looking at the gc.log or observing GC related JMX metrics. 2017-03-20 8:52 GMT+01:00 Roland Otta : > we have a datacenter which is currently used exlusively for spark batch > jobs. > > in case batch jobs

spikes in blocked native transport requests

we have a datacenter which is currently used exlusively for spark batch jobs. in case batch jobs are running against that environment we can see very high peaks in blocked native transport requests (up to 10k / minute). i am concerned because i guess that will slow other queries (in case other