Consider adding"number of messages per time period" metric

(Migrated from https://github.com/syndesisio/syndesis/issues/3434)

Author: *Matej Melko *
Assignees: unassigned

This is a...

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[x] Feature request
[ ] Regression (a behavior that used to work and stopped working in a new release)
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[ ] Documentation issue or request
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The problem

Id would be nice if user could see traffic in running integrations and see average throughput. Those informations could be visualised by charts.
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Expected behavior

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Screenshot

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Request and Response Data

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API Endpoints and Schemas

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Tasks involved / Steps to Reproduce

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