Memory leak log statements

1

We are seeing memory leak statements like the following in the logs. Are these significant? We are running 2.0.5 Community Edition.

com.dremio.common.exceptions.UserException: IllegalStateException: Memory was leaked by query. Memory leaked: (26000000)
Allocator(query-24dc69b8-306d-f574-f41a-93e0e2ce3901) 0/26000000/67447488/536870912000 (res/actual/peak/limit)
at com.dremio.common.exceptions.UserException$Builder.build(UserException.java:746) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor.retire(FragmentExecutor.java:418) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor.finishRun(FragmentExecutor.java:352) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor.run(FragmentExecutor.java:264) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor.access$800(FragmentExecutor.java:84) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor$AsyncTaskImpl.run(FragmentExecutor.java:580) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.task.AsyncTaskWrapper.run(AsyncTaskWrapper.java:107) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.task.slicing.SlicingThread.run(SlicingThread.java:71) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
Caused by: java.lang.IllegalStateException: Memory was leaked by query. Memory leaked: (26000000)
Allocator(query-24dc69b8-306d-f574-f41a-93e0e2ce3901) 0/26000000/67447488/536870912000 (res/actual/peak/limit)
at org.apache.arrow.memory.BaseAllocator.close(BaseAllocator.java:405) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.TicketWithChildren.close(TicketWithChildren.java:58) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.common.AutoCloseables.close(AutoCloseables.java:92) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.common.AutoCloseables.close(AutoCloseables.java:71) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.QueriesClerk.removeQueryTicket(QueriesClerk.java:107) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.QueryTicket.removePhaseTicket(QueryTicket.java:124) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.QueriesClerk$FragmentTicket.close(QueriesClerk.java:179) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.common.DeferredException.suppressingClose(DeferredException.java:181) ~[dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.sabot.exec.fragment.FragmentExecutor.retire(FragmentExecutor.java:402) [dremio-daemon-bundle.jar:2.0.5-201806021755260067-767cfb5-mapr]
… 6 common frames omitted

2

Could you provide more context? Where is Dremio installed? Specs of the node(s)? What is the data source? What are you testing? Additionally, sharing the query profile & server logs would help too.