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Random sampling
===============
Rsyslog supports various sampling mechanisms. These can be used on client systems to save servers from getting overwhelmed. Here we introduce a new sampling mechanism "Random sampling".
Let's consider a system that is generating logs at rate of 100 logs/sec.
If we want to get 20% of these logs uniformly sampled we use random sampling.
.. code-block:: none
set $.rand = random(100);
if ($.rand <= 20) then {
//send out
}
Above config will collect 20% of logs generated.
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