Avoid dropped m3 metrics by emitting shortened peer id
Avoid dropped m3 metrics by emitting shortened peer id

Summary:
M3 will drop any metric that contains a 32 character hex string, e.g. our peer ids,
so we emit a combination of hostname and a shortened 8 character peer id instead.

Reviewers: #kraken, igor

Reviewed By: #kraken, igor

Subscribers: jenkins

Differential Revision: https://code.uberinternal.com/D1407051

uber/kraken,uber/kraken,uber/kraken,uber/kraken,uber/kraken