Elasticsearch masternode is not reponding

Elastic Stack Elasticsearch
1

I am seeing this kind of behavior of our ES master node and it becomes unresponsive. I have checked in Kibana xpack Monitoring and I did not get the status (Screenshot attached)

Checked the master node log file, found below log entries -
[2018-07-15T19:59:14,903][ERROR][o.e.x.m.c.m.JobStatsCollector] [wkelknaples03-i-050e3ffa13b249d67-gpo] collector [job_stats] timed out when collecting data

I am stuck with this issue. If anyone can help.

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2

Is that all there is in the log?

3

This is the only error level entry. Other information are related with index update and info level. This happened multiple time and this entry is always there.

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