BuildManager instances acquire its own BuildTelemetry instance (#8444) #8552
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…t#8444) Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1708215 Context In VS there are multiple instances of BuildManager called asynchronously. For DTB and normal build and maybe other which I have not identified yet. Changes Made BuildManager instances acquire its own BuildTelemetry instance as oppose to sharing single BuildTelemetry instance in non thread safe manner. Testing Locally
Our CI builds fails because of bug NuGet/Home#12373. It is fixed in NuGet/NuGet.Client#5010. We are waiting for it to flow to CI machines. Meanwhile this PR applies a workaround. Note: This PR needs to be reverted once it happens.
rainersigwald
approved these changes
Mar 10, 2023
Forgind
approved these changes
Mar 10, 2023
|
I am merging it as it was approved for servicing. |
This was referenced Jul 29, 2025
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Summary
Originall implementation did not expect multiple instances of BuildManager called concurrently. But in VS DTB and normal build are run concurrently.
This is backported from main PR #8444
Customer Impact
In rare cases Dictionary data structure is corrupted and can cause infinite loop. This affect only VS scenarios.
It is currently #7 ranked VS hang issue.
Regression?
Yes, introduced in VS 17.4.
Testing
Manual validation by @rokonec and automated tests. Additionally it has been in bleeding edge VS for about three weeks.
Risk
Low