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…theus#7419) Sections with three backticks require a blank line before them. Signed-off-by: Alex Vandiver <alex@chmrr.net> Co-authored-by: Alex Vandiver <github@chmrr.net>
Right now Queue Manager metrics are registered when the metrics struct is created, which happens before a changed queue is shutdown and the old metrics are unregistered. In the case of named queues or updates to external labels the apply config will panic due to duplicate metrics. Instead, register the metrics as part of starting the queue as we always guarantee that Stop will be called before a new Start. Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>
Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>
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When doing a config reload that need to stop some providers while also sending SIGTERM to Prometheus at the same time can sometimes hang
1: sync.WaitGroup.Wait [83 minutes] [Created by run.(*Group).Run in goroutine 1 @ group.go:37]
sync sema.go:110 runtime_SemacquireWaitGroup(*uint32(#166))
sync waitgroup.go:118 (*WaitGroup).Wait(*WaitGroup(#23))
discovery manager.go:276 (*Manager).ApplyConfig(#23, #167)
main main.go:964 main.func5(#120)
main main.go:1505 reloadConfig({#183, 0x1b}, 1, #40, #43, #50, {#31, 0xa, 0})
main main.go:1182 main.func22()
run group.go:38 (*Group).Run.func1(*Group(#26), #51)
Add a test for it.
Signed-off-by: Lukasz Mierzwa <l.mierzwa@gmail.com>
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Merge v2.19.2