netflow - add comment about default queue size value

Co-authored-by: Evan Bradley <[email protected]>
open-telemetry · Jan 2, 2025 · 86701b9 · 86701b9
1 parent ebfa73d
commit 86701b9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/receiver/netflowreceiver/factory.go b/receiver/netflowreceiver/factory.go
@@ -16,6 +16,9 @@ import (
 const (
 	defaultSockets   = 1
 	defaultWorkers   = 2
+	// The default UDP packet buffer size in GoFlow2 is 9000 bytes, which means
+	// that for a full queue of 1000 messages, the size in memory will be 9MB.
+	// Source: https://github.com/netsampler/goflow2/blob/v2.2.1/README.md#security-notes-and-assumptions
 	defaultQueueSize = 1_000
 )