Qian Zhang created MESOS-7656:
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Summary: Update the JSON <=> protobuf message conversion for map
support
Key: MESOS-7656
URL: https://issues.apache.org/jira/browse/MESOS-7656
Project: Mesos
Issue Type: Improvement
Reporter: Qian Zhang
Assignee: Qian Zhang
[Map|https://developers.google.com/protocol-buffers/docs/proto#maps] is a
feature starting from proto2 syntax, but it can only be compiled with proto3
compiler, see the following discussion for details:
https://groups.google.com/forum/#\!topic/protobuf/p4WxcplrlA4
We have already upgraded the protobuf compiler from 2.6.1 to 3.3.0 in
[MESOS-7228|https://issues.apache.org/jira/browse/MESOS-7228], however, to use
protobuf map in Mesos code, we also need to add the protobuf map support to the
code in Mesos for converting protobuf message to JSON object and parsing JSON
object as protobuf message, that is what we plan to handle in this ticket.
With map support added, the following field in the protobuf message can be
replaced by the native protobuf map field, and we do not have to manually parse
it anymore.
https://github.com/apache/mesos/blob/1.3.0/include/mesos/docker/v1.proto#L68
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