Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8707 )

Change subject: IMPALA-4835: Part 2: Allocate scan range buffers upfront
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Patch Set 33:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/8707/33/be/src/exec/hdfs-scan-node-base.cc
File be/src/exec/hdfs-scan-node-base.cc:

http://gerrit.cloudera.org:8080/#/c/8707/33/be/src/exec/hdfs-scan-node-base.cc@448
PS33, Line 448:   // CANCELLED errors - see IMPALA-6564.
> what about other places we call AddScanRanges()? Are those "safe" because w
Yeah, those are added from within the scanner code while processing a scan 
range, so by definition we can't have completed progress.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ia243bf8b62feeea602b122e0503ea4ba7d3ee70f
Gerrit-Change-Number: 8707
Gerrit-PatchSet: 33
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Bikramjeet Vig <bikramjeet....@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com>
Gerrit-Reviewer: Michael Ho <k...@cloudera.com>
Gerrit-Reviewer: Tianyi Wang <tw...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Thu, 22 Feb 2018 22:42:12 +0000
Gerrit-HasComments: Yes

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