SourceKitService appears to have a memory leak

Originator:SaagarJha28
Number:rdar://27518610 Date Originated:24-Jul-2016 09:10 PM
Status:Duplicate/27358273 Resolved:04-Nov-2016 00:17 AM
Product:Developer Tools Product Version:Xcode Version 8.0 beta 3 (8S174q)/macOS Sierra 10.12 Beta (16A254g)
Classification:UI/Usability Reproducible:
 
Summary:
SourceKitService regularly hogs all the memory on my machine, slowing it to a crawl. See the attached screenshot; SourceKitService is using about 3.6 GB of real memory (and 11.62 GB virtual), which is quite impressive given my computer only has 4 GB total.

Steps to Reproduce:
1. Open Xcode
2. Open a Swift project
3. Do some work

Expected Results:
SourceKitService doesn't hog the RAM

Actual Results:
SourceKitServices uses all the RAM if not periodically killed, often causing my machine to become unresponsive and requiring a force restart.

Version:
Xcode Version 8.0 beta 3 (8S174q)/macOS Sierra 10.12 Beta (16A254g)

Notes:
Workaround: Force quit SourceKitService every once in a while

Configuration:
Late 2011 MacBook Pro running macOS Sierra 10.12 Beta (16A254g)

Comments


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