Michael Ho has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14242 )

Change subject: IMPALA-8884: track storage read statistics per queue
......................................................................


Patch Set 1: Code-Review+1

(4 comments)

http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/disk-io-mgr.cc
File be/src/runtime/io/disk-io-mgr.cc:

http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/disk-io-mgr.cc@278
PS1, Line 278: 1000L * 1000L * 1000L
NANOS_PER_SEC


http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/local-file-reader.h
File be/src/runtime/io/local-file-reader.h:

http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/local-file-reader.h@28
PS1, Line 28: public:
nit: fix the indent here too


http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/local-file-reader.cc
File be/src/runtime/io/local-file-reader.cc:

http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/local-file-reader.cc@64
PS1, Line 64: queue->read_size()->Update(bytes_to_read);
Should we only update read_size() below near where read_timer is in case we hit 
various errors below ?


http://gerrit.cloudera.org:8080/#/c/14242/1/be/src/runtime/io/local-file-reader.cc@76
PS1, Line 76:     Substitute("Could not seek to $0 "
            :                    "for file: $1: $2",
one line



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8233ed02b418f22f1d0c031e378288357796f4b4
Gerrit-Change-Number: 14242
Gerrit-PatchSet: 1
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Michael Ho <k...@cloudera.com>
Gerrit-Comment-Date: Fri, 20 Sep 2019 23:38:01 +0000
Gerrit-HasComments: Yes

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