Benjamin Mahler created MESOS-6972:
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Summary: Improve performance of protobuf message passing by
removing RepeatedPtrField to vector conversion.
Key: MESOS-6972
URL: https://issues.apache.org/jira/browse/MESOS-6972
Project: Mesos
Issue Type: Improvement
Components: libprocess, technical debt
Reporter: Benjamin Mahler
Currently, all protobuf message handlers must take a {{vector}} for repeated
fields, rather than a {{RepeatedPtrField}}.
This requires that a copy be performed of the repeated field's entries (see
[here|https://github.com/apache/mesos/blob/9228ebc239dac42825390bebc72053dbf3ae7b09/3rdparty/libprocess/include/process/protobuf.hpp#L78-L87]),
which can be very expensive in some cases. We should avoid requiring this
expense on the callers.
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