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sync: sync.Map keys will never be garbage collected [1.15 backport] #41011

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gopherbot opened this issue Aug 24, 2020 · 5 comments
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sync: sync.Map keys will never be garbage collected [1.15 backport] #41011

gopherbot opened this issue Aug 24, 2020 · 5 comments
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CherryPickApproved Used during the release process for point releases FrozenDueToAge release-blocker
Milestone
Go1.15.2

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@gopherbot
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@bcmills requested issue #40999 to be considered for backport to the next 1.15 minor release.

@gopherbot, please backport to 1.15. This is a regression from Go 1.14.7, and can cause difficult-to-predict memory leaks in existing code.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Aug 24, 2020
@gopherbot gopherbot mentioned this issue Aug 24, 2020
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@gopherbot gopherbot added this to the Go1.15.1 milestone Aug 24, 2020
@gopherbot
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Change https://golang.org/cl/250297 mentions this issue: [release-branch.go1.15] sync: delete dirty keys inside Map.LoadAndDelete

@jhuix

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@cagedmantis
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Approved because this is a critical problem without a workaround.

@cagedmantis cagedmantis added the CherryPickApproved Used during the release process for point releases label Aug 27, 2020
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label Aug 27, 2020
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Closed by merging 19c8546 to release-branch.go1.15.

gopherbot pushed a commit that referenced this issue Aug 27, 2020
@changkun
[release-branch.go1.15] sync: delete dirty keys inside Map.LoadAndDelete
19c8546 
Updates #40999
Fixes #41011

Change-Id: Ie32427e5cb5ed512b976b554850f50be156ce9f2
Reviewed-on: https://go-review.googlesource.com/c/go/+/250197
Run-TryBot: Emmanuel Odeke <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Bryan C. Mills <[email protected]>
(cherry picked from commit 94953d3)
Reviewed-on: https://go-review.googlesource.com/c/go/+/250297
Run-TryBot: Bryan C. Mills <[email protected]>
Reviewed-by: Emmanuel Odeke <[email protected]>
@dmitshur dmitshur modified the milestones: Go1.15.1, Go1.15.2 Sep 1, 2020
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Go1.15.2
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@cagedmantis @dmitshur @bcmills @gopherbot @jhuix