Github user laurentgo commented on a diff in the pull request: https://github.com/apache/drill/pull/858#discussion_r123865940 --- Diff: exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillStatementImpl.java --- @@ -38,8 +44,12 @@ // methods for compatibility.) class DrillStatementImpl extends AvaticaStatement implements DrillStatement, DrillRemoteStatement { + //Not using the DrillbitContext's ExecutorService as this is threadPool is light-weight (threads wake up to cancel tasks) but needs a low response time + private static ExecutorService queryTimeoutTaskPool = Executors.newCachedThreadPool(new NamedThreadFactory("q-timeout-")); --- End diff -- Maybe simpler, but I'm doubtful this is less overhead: there's a new executor and a new thread created for each statement (to compare with just telling the system how long to wait in DrillCursor, knowing that the i/o system is using a fixed number of threads vs your proposal which is unbounded). I'm also not following why you would need a new state, as this would be a pure client thing.
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