.github/scripts/test_balancing_calc

#!/bin/bash

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# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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#--------------------------------------------------------------------

# Helps to calculate new balancing
# on the output a simple knapsack should be done...right now that's manual

set -e

find . -name 'TEST*xml' |
# <testsuite ... name="org.apache.druid.query.policy.NoRestrictionPolicyTest" time="0.071" ...>
xargs sed -nr '/^<testsuite/s/.*name=\"([^\"]+)\".*time=\"([^\"]+)\".*/\1\t\2/p' |
# org.apache.druid.server.RequestLogLineTest      0.052
sed -r 's/[^\t]+\.(.)[^\t.]+\t/\1\t/' > test_times

for c in {A..Z} ;do
 echo -n "$c    ";
 (echo 0;grep "^$c" test_times| cut -f 2)|paste -s -d + -|bc
done | sort -k 2 -nr
# final output is a table like
# <letter>	<sumTime>
# C	88