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not showing heartbeat and load average

not showing heartbeat and load average


Hi All,


There is one node in my cluster that not showing hearbeat and load average, when I check on the node, the cloudera-scm-agent.log contains the following, the port 7182 on the namenode is working, I can telnet to it from the node, and firewall is disabled.


[28/May/2018 12:09:21 +0000] 3855 MainThread agent        ERROR    Heartbeating
to failed.
Traceback (most recent call last):
  File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.12.1-py
2.7.egg/cmf/", line 1412, in _send_heartbeat
  File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py
2.7.egg/avro/", line 469, in __init__
  File "/usr/lib64/python2.7/", line 807, in connect
    self.timeout, self.source_address)
  File "/usr/lib64/python2.7/", line 571, in create_connection
    raise err
error: [Errno 113] No route to host
[28/May/2018 12:09:21 +0000] 3855 MainThread agent        INFO     Loading last saved hb response to complete initialization: /var/lib/cloudera-scm-agent/response.avro



Thank you.


Re: not showing heartbeat and load average

Expert Contributor

Hi @ronnie10,


The error nº 113 "no route to host", indicates problems in the network or the OS network configuration.


Try this:


chkconfig iptables off

chkconfig ip6tables off

service iptables stop

vi  /etc/selinux/config


selinux= disabled


And then restart machines or cluster.





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