[collectd] Read callback return value
orosowiecki at gmail.com
Thu Nov 15 14:48:56 CET 2018
Suppose I have a read callback that isn't able to collect its data within a
given interval (e.g. operation times out). Do I have to return a non-zero
value in this case? What does that mean to the collectd engine?
Simply returning zero and not dispatching any values at all (via
plugin_dispatch_values()) seems to do no harm. So I'm curious what the
difference is between returning a a non-zero value and not dispatching any
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