paket install slow

Description

paket install seems to take a long time with dotnet core projects. On my machine this repo took over 10 minutes. Maybe my ssd is dying, maybe my internet is throttled?

Paket version 5.108.0
...
Performance:
 - Resolver: 10 minutes, 28 seconds (2 runs)
    - Runtime: 10 minutes, 23 seconds
    - Blocked (retrieving package details): 891 milliseconds (21 times)
    - Blocked (retrieving package versions): 4 seconds (6 times)
    - Not Blocked (retrieving package details): 174 times
    - Not Blocked (retrieving package versions): 189 times
 - Disk IO: 450 milliseconds
 - Average Download Time: 2 seconds
 - Number of downloads: 1
 - Average Request Time: 159 milliseconds
 - Number of Requests: 212
 - Runtime: 10 minutes, 38 seconds

Repro steps

https://github.com/TheAngryByrd/paket-install-slow

Expected behavior

[Insert Sonic]

Actual behavior

[Insert not Sonic]

Known workarounds

Obtain a hobby between calls to install

Other

Mono JIT compiler version 5.2.0.215 (d15-3/da80840 Thu Jul 20 16:43:07 EDT 2017)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
	TLS:           normal
	SIGSEGV:       altstack
	Notification:  kqueue
	Architecture:  amd64
	Disabled:      none
	Misc:          softdebug 
	LLVM:          yes(3.6.0svn-mono-master/8b1520c)
	GC:            sgen (concurrent by default)

.NET Command Line Tools (2.0.0)

Product Information:
 Version:            2.0.0
 Commit SHA-1 hash:  cdcd1928c9

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.12
 OS Platform: Darwin
 RID:         osx.10.12-x64
 Base Path:   /usr/local/share/dotnet/sdk/2.0.0/

Microsoft .NET Core Shared Framework Host

  Version  : 2.0.0
  Build    : e8b8861ac7faf042c87a5c2f9f2d04c98b69f28d

[forki]

first trial: https://github.com/fsprojects/Paket/pull/2846

[matthid]

@TheAngryByrd Thanks, yes that agrees with my quick findings with the profiler 😃