Amogh Margoor has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/17855


Change subject: IMPALA-10921 Add script to compare TPCDS runs.
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IMPALA-10921 Add script to compare TPCDS runs.

This script compares 2 runs of TPCDS by parsing their respective
Impala plain text query profiles. It currently outputs the peak
memory comparision of both runs where:
1. It compares average per-node peak memory and geo-mean
   per-node peak memory.
2. It compares max peak memory reduction among Hash operators.

It can be extended to other comparisions in future.

Example usage:

 tpcds_run_comparator.py <path to base run profile> <path to new run profile>

Change-Id: Ib2e9ae1a2919156b0022072f47ff71d7775b20e6
---
A bin/diagnostics/experimental/tpcds_run_comparator.py
1 file changed, 263 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/55/17855/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib2e9ae1a2919156b0022072f47ff71d7775b20e6
Gerrit-Change-Number: 17855
Gerrit-PatchSet: 1
Gerrit-Owner: Amogh Margoor <[email protected]>

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