Bharath Vissapragada has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/13748 )

Change subject: IMPALA-8571[WIP]: improve QueryEventHook execution
......................................................................


Patch Set 14:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/13748/14/fe/src/main/java/org/apache/impala/hooks/FixedCapacityQueryHookExecutor.java
File 
fe/src/main/java/org/apache/impala/hooks/FixedCapacityQueryHookExecutor.java:

http://gerrit.cloudera.org:8080/#/c/13748/14/fe/src/main/java/org/apache/impala/hooks/FixedCapacityQueryHookExecutor.java@327
PS14, Line 327:     final Future<QueryEventHook> f = hookExecutor_.submit(() -> 
{
> I think I'm missing something.  If I just do new FutureTask<>(callHook).run
Like we discussed offline, I meant new Thread(Future).run() but we will have to 
bear the thread creation cost repeatedly. So probably fine to leave it as is 
(Also consider using Executors.newCachedThreadPool)



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ibb88422f7cfe86947d11ce57d2b4c63e57d1b643
Gerrit-Change-Number: 13748
Gerrit-PatchSet: 14
Gerrit-Owner: radford nguyen <radford.ngu...@gmail.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Fredy Wijaya <fre...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: radford nguyen <radford.ngu...@gmail.com>
Gerrit-Comment-Date: Thu, 11 Jul 2019 18:21:36 +0000
Gerrit-HasComments: Yes

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