Hi Expert,
I am running groupBy query and getting below exception.
04/Jul/2017 19:39:11,546- GroupByMergingQueryRunnerV2: Exception with one of the sequences!
java.lang.IllegalArgumentException
at java.nio.Buffer.limit(Buffer.java:275) ~[?:1.8.0_131]
at io.druid.query.groupby.epinephelinae.BufferGrouper.growIfPossible(BufferGrouper.java:417) ~[druid-processing-0.10.0.jar:0.10.0]
at io.druid.query.groupby.epinephelinae.BufferGrouper.aggregate(BufferGrouper.java:176) ~[druid-processing-0.10.0.jar:0.10.0]
at io.druid.query.groupby.epinephelinae.BufferGrouper.aggregate(BufferGrouper.java:212) ~[druid-processing-0.10.0.jar:0.10.0]
at io.druid.query.groupby.epinephelinae.GroupByQueryEngineV2$GroupByEngineIterator.next(GroupByQueryEngineV2.java:302) ~[druid-processing-0.10.0.jar:0.10.0]
at io.druid.query.groupby.epinephelinae.GroupByQueryEngineV2$GroupByEngineIterator.next(GroupByQueryEngineV2.java:202) ~[druid-processing-0.10.0.jar:0.10.0]
My historical node 60 GB and 16 CPU.
Am I need to config something for merging GroupBy query? Can you suggest all config for above node config?
Segment size is 2 GB per hour.
Any suggestion will be helpfull.
Thanks,
Jitesh