Separate process to keepalive etcd lease #941
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During high load lavinmq can struggle to get renew the etcd lease because the fiber is not run often enough. By putting it in a subprocess we can ensure that it gets more resources. When proper MT is added to LavinMQ we can revert this patch.
It introduces a dependency on
etcdctl
, thus for example in Ubuntu/Debian the etcd-client package has to be installed.Fixes #935