[Impala-ASF-CR] WIP IMPALA-6636: Use async IO in ORC scanner

["Riza Suminto (Code Review)" <ge...@cloudera.org>]

Riza Suminto has uploaded a new patch set (#10) to the change originally created by Csaba Ringhofer. ( http://gerrit.cloudera.org:8080/15370 )

Change subject: WIP IMPALA-6636: Use async IO in ORC scanner
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WIP IMPALA-6636: Use async IO in ORC scanner

Change-Id: I348ad9e55f0cae7dff0d74d941b026dcbf5e4074
---
M be/src/exec/hdfs-columnar-scanner.cc
M be/src/exec/hdfs-columnar-scanner.h
M be/src/exec/hdfs-orc-scanner.cc
M be/src/exec/hdfs-orc-scanner.h
M be/src/exec/hdfs-scan-node-base.cc
M be/src/exec/parquet/hdfs-parquet-scanner.cc
M be/src/exec/parquet/hdfs-parquet-scanner.h
M be/src/exec/parquet/parquet-page-reader.cc
M be/src/exec/scanner-context.cc
M be/src/exec/scanner-context.h
M be/src/runtime/io/disk-io-mgr.h
M fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
12 files changed, 494 insertions(+), 195 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/70/15370/10
-- 
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I348ad9e55f0cae7dff0d74d941b026dcbf5e4074
Gerrit-Change-Number: 15370
Gerrit-PatchSet: 10
Gerrit-Owner: Csaba Ringhofer <cs...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <cs...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <hu...@gmail.com>
Gerrit-Reviewer: Riza Suminto <ri...@cloudera.com>