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https://issues.apache.org/jira/browse/DRILL-603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003714#comment-14003714
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Jacques Nadeau commented on DRILL-603:
--------------------------------------
appears fixed
> Query with single Count(Distinct) and Group-By hangs
> ----------------------------------------------------
>
> Key: DRILL-603
> URL: https://issues.apache.org/jira/browse/DRILL-603
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Aman Sinha
>
> Following query hangs :
> select count(distinct l_orderkey) from cp.`tpch/lineitem.parquet` group by
> l_partksy;
> No errors are shown the log. The last few entries in the log are as follows:
> 18:31:11.850 [BitServer-1] DEBUG o.a.d.exec.work.foreman.QueryManager - New
> fragment status was provided to Foreman of memory_use: 1920000
> batches_completed: 1
> records_completed: 11919
> state: FINISHED
> data_processed: 0
> handle {
> query_id {
> part1: 6663191588966647760
> part2: -7786394921952230089
> }
> major_fragment_id: 2
> minor_fragment_id: 3
> }
> running_time: 219806000
> 18:31:11.851 [WorkManager-2] DEBUG o.a.d.e.w.f.NonRootStatusReporter -
> Sending status change message message to remote node: memory_use: 0
> batches_completed: 0
> records_completed: 0
> state: RUNNING
> data_processed: 0
> handle {
> query_id {
> part1: 6663191588966647760
> part2: -7786394921952230089
> }
> major_fragment_id: 1
> minor_fragment_id: 3
> }
> running_time: 1398821471850886000
> 18:31:11.852 [BitServer-1] DEBUG o.a.d.exec.work.foreman.QueryManager - New
> fragment status was provided to Foreman of memory_use: 0
> batches_completed: 0
> records_completed: 0
> state: RUNNING
> data_processed: 0
> handle {
> query_id {
> part1: 6663191588966647760
> part2: -7786394921952230089
> }
> major_fragment_id: 1
> minor_fragment_id: 3
> }
> running_time: 1398821471850886000
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