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Nagios Log Server - Logstash process dying

Problem Description

You experience problems with the Logstash process dying. On the console of your server you observe the following::

INFO: [6a7ce4ea-e1b9-47a1-af18-1c4d47243d20] failed to get node info for [#transport#-1][sa585][inet[localhost/]], disconnecting...
java.lang.OutOfMemoryError: GC overhead limit exceeded


Even after adding more memory to your server you continue to receive these errors.



Logstash Tuning

There are some parameters in the /etc/init.d/logstash file that can resolve this issues.

In a terminal session on your Log Server instance(s) execute the following command to open the file in vi:

vi /etc/init.d/logstash


When using the vi editor, to make changes press i on the keyboard first to enter insert mode. Press Esc to exit insert mode.


Update the file by changing the following lines:



When you have finished making the changes, save the changes in vi by typing:


and press Enter.


You need to restart the service using one of the commands below:

RHEL 6 | CentOS 6 | Ubuntu 14

service logstash restart


RHEL 7 | CentOS 7 | Debian | Ubuntu 16/18

systemctl daemon-reload
systemctl restart logstash.service


After making these changes the logstash process should no longer die.



Final Thoughts

For any support related questions please visit the Nagios Support Forums at:


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