connect: tame thundering herd of CSRs on CA rotation#5228

Merged

banks merged 3 commits intomasterfrom sign-rate-limit

Jan 22, 2019

+1,189-87

Commits on Jan 16, 2019

Support rate limiting and concurrency limiting CSR requests on servers; handle CA rotations gracefully with jitter and backoff-on-rate-limit in client
banks
committed

Commits on Jan 17, 2019

Add CSR rate limiting docs
banks
committed

Commits on Jan 18, 2019

Fix config naming and add tests for new CA configs
banks
committed