Joe McDonnell has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/12968 )

Change subject: IMPALA-8322: Add periodic dirty check of done_ in 
ThreadTokenAvailableCb
......................................................................


Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/12968/1/be/src/exec/hdfs-scan-node.h
File be/src/exec/hdfs-scan-node.h:

http://gerrit.cloudera.org:8080/#/c/12968/1/be/src/exec/hdfs-scan-node.h@128
PS1, Line 128:   bool done_ = false;
> Can we switch this to an atomic? It'll be easier to reason about the safene
That makes sense. I switched this to an AtomicBool.


http://gerrit.cloudera.org:8080/#/c/12968/1/be/src/exec/hdfs-scan-node.cc
File be/src/exec/hdfs-scan-node.cc:

http://gerrit.cloudera.org:8080/#/c/12968/1/be/src/exec/hdfs-scan-node.cc@561
PS1, Line 561:   // TODO: Cancelling the RequestContext will wait on in-flight 
IO. We should
> Ah I see what you mean and why it's misleading.
I updated that comment in request-ranges.h. Let me know if there is a way it 
could be clearer.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I4881a3e5bfda64e8d60af95ad13b450cf7f8c130
Gerrit-Change-Number: 12968
Gerrit-PatchSet: 1
Gerrit-Owner: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Lars Volker <l...@cloudera.com>
Gerrit-Reviewer: Michael Ho <k...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Tue, 09 Apr 2019 23:52:41 +0000
Gerrit-HasComments: Yes

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