OmniSharp.exe uses 10 GB RAM and 50% CPU

Environment data

dotnet --info output:

.NET Command Line Tools (2.1.4)

Product Information:
 Version:            2.1.4
 Commit SHA-1 hash:  5e8add2190

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.15063
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.1.4\

Microsoft .NET Core Shared Framework Host

  Version  : 2.0.5
  Build    : 17373eb129b3b05aa18ece963f8795d65ef8ea54

VS Code version: 1.20.1 C# Extension version: 1.14

Steps to reproduce

Edit C# code with Visual Studio Code

Expected behavior

Low CPU and RAM usage

Actual behavior

Unacceptable

[Cerberus1746]

Yeah, I have the exact same issue.

I don’t think it should be using more CPU and memory than an entire game engine.

Did some more testing, it seems like the culprit in my case is the Async Completion. Disabled it and the usage is more reasonable.

[Cerberus1746]

How to disable Async Completion?

In the settings of the C# extension, there’s a option called “[BETA] Async completion.” or something like that.