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https://reviews.apache.org/r/62901/
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Review request for mesos and Benjamin Mahler.
Bugs: MESOS-6971
https://issues.apache.org/jira/browse/MESOS-6971
Repository: mesos
Description
-------
This changes `ProtobufProcess` to use arenas for creating messages.
Diffs
-----
3rdparty/libprocess/include/process/protobuf.hpp
2b6b623e04c6d629647287e4bdf617a6f9e8d813
Diff: https://reviews.apache.org/r/62901/diff/1/
Testing
-------
Ran benchmark
```
./benchmarks --gtest_filter=ProcessTest.Process_BENCHMARK_MessagePassing
```
before and after changes with the following results:
```
Without arenas
[ RUN ] ProcessTest.Process_BENCHMARK_MessagePassing
Size: 4, elapsed: 12.638082ms
Size: 28, elapsed: 38.13611ms
Size: 124, elapsed: 136.028145ms
Size: 508, elapsed: 514.481138ms
Size: 2048, elapsed: 2.009934749secs
Size: 8208, elapsed: 8.027707078secs
Size: 32848, elapsed: 32.188444623secs
[ OK ] ProcessTest.Process_BENCHMARK_MessagePassing (42936 ms)
[ RUN ] ProcessTest.Process_BENCHMARK_MessagePassing
Size: 4, elapsed: 13.574658ms
Size: 28, elapsed: 38.735425ms
Size: 124, elapsed: 135.356633ms
Size: 508, elapsed: 513.202006ms
Size: 2048, elapsed: 2.016349277secs
Size: 8208, elapsed: 8.148115463secs
Size: 32848, elapsed: 32.266659276secs
[ OK ] ProcessTest.Process_BENCHMARK_MessagePassing (43139 ms)
With arenas
[ RUN ] ProcessTest.Process_BENCHMARK_MessagePassing
Size: 4, elapsed: 17.66253ms
Size: 28, elapsed: 42.242613ms
Size: 124, elapsed: 133.215018ms
Size: 508, elapsed: 478.285954ms
Size: 2048, elapsed: 1.846806816secs
Size: 8208, elapsed: 7.807271474secs
Size: 32848, elapsed: 32.344994264secs
[ OK ] ProcessTest.Process_BENCHMARK_MessagePassing (42678 ms)
[----------] 1 test from ProcessTest (42678 ms total)
[ RUN ] ProcessTest.Process_BENCHMARK_MessagePassing
Size: 4, elapsed: 17.651803ms
Size: 28, elapsed: 42.907844ms
Size: 124, elapsed: 134.527995ms
Size: 508, elapsed: 479.715174ms
Size: 2048, elapsed: 1.839642098secs
Size: 8208, elapsed: 7.847239368secs
Size: 32848, elapsed: 32.519693203secs
[ OK ] ProcessTest.Process_BENCHMARK_MessagePassing (42888 ms)
[----------] 1 test from ProcessTest (42888 ms total)
```
Thanks,
Dmitry Zhuk
