nifi - cluster.coordination.http.replication.ThreadPoolRequestReplicator slowness

[#1]

2020-07-02 17:33:51,704 WARN [Replicate Request Thread-2] o.a.n.c.c.h.r.ThreadPoolRequestReplicator Response time from abc.com:9091 was slow for each of the last 3 requests made. To see more information about timing, enable DEBUG logging for org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator
2020-07-02 17:35:13,554 WARN [Replicate Request Thread-34] o.a.n.c.c.h.r.ThreadPoolRequestReplicator Response time from abc.com:9091 was slow for each of the last 3 requests made. To see more information about timing, enable DEBUG logging for org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator
2020-07-02 17:35:57,266 WARN [Replicate Request Thread-8] o.a.n.c.c.h.r.ThreadPoolRequestReplicator Response time from abc.com:9091 was slow for each of the last 3 requests made. To see more information about timing, enable DEBUG logging for org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator

[#2]

@MattWho could you take a look at this.

Hdf 3.4.1

AWS multi az cluster 

16*64