Excessive GC CPU pressure caused by unwanted heap memory

[nithu1991]

Your environment.

• Version: v0.1.37
• Browser: no browser

What did you do?

interceptor/internal/rtpbuffer/packet_factory.go

Line 94 in d34a3c5

payload := make([]byte, 2)

interceptor/internal/rtpbuffer/packet_factory.go

Line 96 in d34a3c5

p.payload = append(payload, p.payload[:len(p.payload)-paddingLength]...)

cause excessive memory allocation, and add GC Pressure

Pprof heap shows

2561.99kB 22.72%  22.72%  510.99kB 4.53%  github.com/pion/interceptor/pkg/nack.(*packetManager).NewPacket

What did you expect?

A reduction in unwanted heap memory creation.

What happened?

Spike in CPU while GC