HTTP/2 performance of Kestrel and HttpClient

[JamesNK]

gRPC on .NET Core can only be fast if HTTP/2 is fast. This is a tracking issue for helping the Kestrel team and HttpClient teams improve performance.

[JamesNK]

Kestrel HTTP/2 issue: dotnet/aspnetcore#13750

[RenaudGelai]

Hello,

I have some performances issues with grpc/kestrel.

If i write this :

The first call is very slow (between one and three seconds).

But if i write this :

I don't have the problem.

Is it related to this issue ?

[JamesNK]

No. The slowness is probably related to resolving the IP address.

[JamesNK]

I think this can be called fixed in .NET 5