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From "Sailesh Mukil (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4764: Add Hedged read metrics
Date Mon, 15 May 2017 03:52:11 GMT
Sailesh Mukil has uploaded a new patch set (#2).

Change subject: IMPALA-4764: Add Hedged read metrics
......................................................................

IMPALA-4764: Add Hedged read metrics

The following Hadoop metrics have been added to the /metrics page:

hedgedReadOps - the number of hedged reads that have occurred

hedgeReadOpsWin - the number of times the hedged read returned
faster than the original read

This change depends on the following new commit to HDFS:
https://github.com/apache/hadoop/commit/8c81a16a1fa40d3a3796b1c3633328f1340883ca

Change-Id: Id4a5d396abb3373d352ad2df8c2272db018114da
---
M be/src/runtime/disk-io-mgr-scan-range.cc
M be/src/util/impalad-metrics.cc
M be/src/util/impalad-metrics.h
M common/thrift/metrics.json
4 files changed, 53 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/86/6886/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Id4a5d396abb3373d352ad2df8c2272db018114da
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Sailesh Mukil <sailesh@cloudera.com>

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