UDP InErrors observed in sflow listener under load tesing

[yangyu66]

using stress test tool generating around 200Kps sflow packet and observed intermittent UDP InErrors(also attached below)
tried increase UDP recieve buffer size to very huge 750MB but not help(both system and code level).. Any other place can check for UDP InErrors ? Thanks !

`
system wise:
net.core.rmem_max=786432000
net.core.rmem_default=786432000

in vflow/sflow.go:
b := sFlowBuffer.Get().([]byte)
s.conn.SetReadDeadline(time.Now().Add(1e9))
s.conn.SetReadBuffer(786432000) // 750MB

`

[yangyu66]

@mehrdadrad could you provide any insights? Appreciate!