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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/127.0.0.1:9300]], 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:
LS_HEAP_SIZE="1000m"
LS_OPEN_FILES=65535
When you have finished making the changes, save the changes in vi by typing:
:wq
and press Enter.
You need to restart the service using one of the commands below:
RHEL 7 + | CentOS 7 + | Debian | Ubuntu 16/18/20
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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