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Go1.23 timers #11334

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Go1.23 timers #11334

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shivanthzen
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@shivanthzen shivanthzen commented Oct 2, 2024 •
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Link to tracking issue

Fixes #11332

Testing

Documentation

@shivanthzen shivanthzen requested a review from a team as a code owner October 2, 2024 21:48
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codecov bot commented Oct 2, 2024 •
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Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.51%. Comparing base (4ace638) to head (05ac9dc).
Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
processor/batchprocessor/batch_processor_1_22.go 33.33% 1 Missing and 1 partial ⚠️
Additional details and impacted files 
@@           Coverage Diff           @@
##             main   #11334   +/-   ##
=======================================
  Coverage   91.51%   91.51%           
=======================================
  Files         430      429    -1     
  Lines       20226    20158   -68     
=======================================
- Hits        18509    18447   -62     
+ Misses       1342     1337    -5     
+ Partials      375      374    -1

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codeboten
codeboten reviewed Oct 2, 2024
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Thanks @shivanthzen, one question

processor/batchprocessor/batch_processor_1_23.go
package batchprocessor // import "go.opentelemetry.io/collector/processor/batchprocessor"

func (b *shard) stopTimer() {
if b.hasTimer() {
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Is it possible to add a test to capture the regression this is fixing?

mx-psi
mx-psi reviewed Oct 3, 2024
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processor/batchprocessor/batch_processor_1_22.go Outdated
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

//go:build !1.23
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Shouldn't this be go1.23? At least on https://stackoverflow.com/a/38439941 that is the format used. Has the format changed?

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For builds using go version 1.23 and above , file tagged with //go:build 1.23 will be used, for go version below 1.23 , file tagged with //go:build !1.23 will be used.

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Right, what I meant is that I expected this to be

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//go:build !1.23
//go:build !go1.23

or at least this is how it used to work for Go in older versions, not 1.23

@shivanthzen
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I suggest this MR closed without merging in favour of golang/go#69312.

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It looks like the fix went into 1.23.2 https://github.com/golang/go/issues?q=milestone%3AGo1.23.2+label%3ACherryPickApproved, golang/go#69333

Is the fix for us to ensure we use 1.23.2 when building the next release?

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mx-psi commented Oct 3, 2024

Double checked by re-running a random test in the -releases repository for the last commit:
https://github.com/open-telemetry/opentelemetry-collector-releases/actions/runs/11152590145/job/31035238607

Looks like we are all set:

Setup go version spec ~1.23
Attempting to download ~1.23...
matching ~1.23...
Acquiring 1.23.2 from https://github.com/actions/go-versions/releases/download/1.23.2-11145[9](https://github.com/open-telemetry/opentelemetry-collector-releases/actions/runs/11152590145/job/31035238607#step:4:10)22912/go-1.23.2-linux-x64.tar.gz

@codeboten codeboten mentioned this pull request Oct 3, 2024
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Might be worth at least capturing the fix in a changelog if no code changes are required

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Parent issue has been closed. Fix was implemented in golang

@shivanthzen shivanthzen closed this Oct 4, 2024
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Batch processor can deadlock/freeze using Go 1.23 timers
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@shivanthzen @codeboten @mx-psi @bogdandrutu