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https://issues.apache.org/jira/browse/DRILL-6453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16572611#comment-16572611
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ASF GitHub Bot commented on DRILL-6453:
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ilooner commented on issue #1408: DRILL-6453: Resolve deadlock when reading
from build and probe sides simultaneously in HashJoin
URL: https://github.com/apache/drill/pull/1408#issuecomment-411271484
@Ben-Zvi addressed review comments. Please take another look.
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> TPC-DS query 72 has regressed
> -----------------------------
>
> Key: DRILL-6453
> URL: https://issues.apache.org/jira/browse/DRILL-6453
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.14.0
> Reporter: Khurram Faraaz
> Assignee: Timothy Farkas
> Priority: Blocker
> Fix For: 1.15.0
>
> Attachments: 24f75b18-014a-fb58-21d2-baeab5c3352c.sys.drill,
> jstack_29173_June_10_2018.txt, jstack_29173_June_10_2018.txt,
> jstack_29173_June_10_2018_b.txt, jstack_29173_June_10_2018_b.txt,
> jstack_29173_June_10_2018_c.txt, jstack_29173_June_10_2018_c.txt,
> jstack_29173_June_10_2018_d.txt, jstack_29173_June_10_2018_d.txt,
> jstack_29173_June_10_2018_e.txt, jstack_29173_June_10_2018_e.txt
>
>
> TPC-DS query 72 seems to have regressed, query profile for the case where it
> Canceled after 2 hours on Drill 1.14.0 is attached here.
> {noformat}
> On, Drill 1.14.0-SNAPSHOT
> commit : 931b43e (TPC-DS query 72 executed successfully on this commit, took
> around 55 seconds to execute)
> SF1 parquet data on 4 nodes;
> planner.memory.max_query_memory_per_node = 10737418240.
> drill.exec.hashagg.fallback.enabled = true
> TPC-DS query 72 executed successfully & took 47 seconds to complete execution.
> {noformat}
> {noformat}
> TPC-DS data in the below run has date values stored as DATE datatype and not
> VARCHAR type
> On, Drill 1.14.0-SNAPSHOT
> commit : 82e1a12
> SF1 parquet data on 4 nodes;
> planner.memory.max_query_memory_per_node = 10737418240.
> drill.exec.hashagg.fallback.enabled = true
> and
> alter system set `exec.hashjoin.num_partitions` = 1;
> TPC-DS query 72 executed for 2 hrs and 11 mins and did not complete, I had to
> Cancel it by stopping the Foreman drillbit.
> As a result several minor fragments are reported to be in
> CANCELLATION_REQUESTED state on UI.
> {noformat}
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