The problem
In large enough environments the "Maximum response size" of Livestatus may have to be increased. The symptoms of this issue are:
- Having all values show as 0 in the web user interface.
- A similar log message in /opt/monitor/var/livestatus.log:
Maximum response size of 104857600 bytes exceeded!
The solution
Modify the file /opt/monitor/etc/mconf/livestatus.cfg from this:
# Naemon config
broker_module=/usr/lib64/naemon-livestatus/livestatus.so hidden_custom_var_prefix=OP5SECRET_ pnp_path=/opt/monitor/op5/pnp/perfdata /opt/monitor/var/rw/live_tmp
event_broker_options=-1
To this:
# Naemon config
broker_module=/usr/lib64/naemon-livestatus/livestatus.so hidden_custom_var_prefix=OP5SECRET_ pnp_path=/opt/monitor/op5/pnp/perfdata /opt/monitor/var/rw/live_tmp max_response_size=1048576000
event_broker_options=-1
Hint: The added configuration is at the end of line 2. You may edit the value of this setting to fit your environment.
After modifying this file, restart Naemon:
systemctl restart naemon
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