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Type: Improvement
Resolution: Fixed
Priority: Unknown
Fix Version/s: 2.16.1, 2.17.0
Affects Version/s: None
Component/s: None
Labels:
None

Case:

Backwards Compatibility:
Fully Compatible

The push monitor handshake sends appear to not be rate limited:

[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.734697 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.737036 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.738400 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.740858 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.743189 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.744620 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.746317 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.747648 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.749367 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.750652 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.752695 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.754064 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.755724 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.757185 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.758825 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.760168 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)
[2021/10/07 01:15:46.766] W, [2021-10-07T01:15:46.762447 #12884]  WARN -- : MONGODB | Error running awaited hello on 516484f639-shard-00-00.80104.mongodb-qa.net:27016: Mongo::Error::SocketError: Errno::ECONNREFUSED: Connection refused - connect(2) for 18.213.18.186:27016 (for 18.213.18.186:27016 (516484f639-shard-00-00.80104.mongodb-qa.net:27016, TLS)) (on 516484f639-shard-00-00.80104.mongodb-qa.net:27016)

I think they should be subject to the 500 ms minimum interval, same as regular monitor.

is related to

RUBY-2842 Heartbeats when primary goes down cause excessive use of app's memory

Closed

links to

mongo-ruby-driver #2357: RUBY-2806 Rate limit push monitor handshake sends

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