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docs: update perfs doc (#253)

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Louis
2023-12-06 14:52:18 +01:00
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docs/performance.md
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@@ -39,6 +39,7 @@ In GoFlow2 you can set the `count` option to define the number of sockets.
Each socket will put the packet in a queue to be decoded.
The number of `workers` should ideally match the number of CPUs available.
By default, the number is set to twice the amount of open sockets.
`Blocking` mode forces GoFlow2 to operate in real-time instead of buffered. A packet is only decoded if
a worker is available and storage depends on the kernel UDP buffer.
@@ -73,3 +74,6 @@ will not require extra RAM during peaks.
Furthermore, `HorizontalPodScalers` can be used to create additional GoFlow2 instances and route the packets when a metric crosses a threshold.
This is not recommended with NetFlow/IPFIX without having a shared template system due to cold-starts.
Another item to take into account, make sure the MTU of the machines where the collector are hosted match
the MTU of the sampling routers. This can cause some issues when tunnelling or on certain cloud providers.