Send unsolicited partition load information to LoadMonitor #187
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When a partition gets hit with heavy load, it can take a long time until the LoadMonitor starts offloading, if it has not already received information from all other partition.
To avoid this delay, it makes sense to have each partition send this information even if not already requested. By design, there is no per-transaction cost for EventHubs messages, so it is perfectly fine to send periodic messages even if idle.