Add a metric to count the number of nodes currently connected.
This will be useful to detect splits or nodes that are not connected to anyone but still accept incoming connections (so they appear available, but in the end they cannot request anything outside of its shard resulting in wrong replies)
Add a metric to count the number of nodes currently connected. This will be useful to detect splits or nodes that are not connected to anyone but still accept incoming connections (so they appear available, but in the end they cannot request anything outside of its shard resulting in wrong replies)