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
wr
well. i checked it now.
we have some stw collections from 100 to 200ms every 5 to 60 seconds.
i am not sure whether the blocked threads are related to that but anyway these
pauses are too long for low latency applications.
so i wil check gc tuning first and will check afterwards whether the bloc
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 are running against that e
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 ap
