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TiCDC: Goroutine leak in unboundedProcessing #11954

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King-Dylan opened this issue Dec 30, 2024 · 0 comments · May be fixed by #11957
Open

TiCDC: Goroutine leak in unboundedProcessing #11954

King-Dylan opened this issue Dec 30, 2024 · 0 comments · May be fixed by #11957
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affects-7.5 This bug affects the 7.5.x(LTS) versions. affects-8.1 This bug affects the 8.1.x(LTS) versions. affects-8.5 This bug affects the 8.5.x(LTS) versions. area/ticdc Issues or PRs related to TiCDC. severity/major type/bug The issue is confirmed as a bug.

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@King-Dylan
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King-Dylan commented Dec 30, 2024 •
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What did you do?

Goroutine leak in unboundedProcessing

`goroutine profile: total 44475
26171 @ 0x43f18e 0x44f645 0x39621ca 0x472e41
0x39621c9 github.com/pingcap/tiflow/pkg/chann.(*Chann[...]).unboundedProcessing+0xe9 github.com/pingcap/tiflow/pkg/chann/chann.go:181

5797 @ 0x43f18e 0x44f645 0x3962e3c 0x472e41
0x3962e3b github.com/pingcap/tiflow/pkg/chann.(*Chann[...]).unboundedProcessing+0xdb github.com/pingcap/tiflow/pkg/chann/chann.go:181

5797 @ 0x43f18e 0x44f645 0x3963aaa 0x472e41
0x3963aa9 github.com/pingcap/tiflow/pkg/chann.(*Chann[...]).unboundedProcessing+0xc9 github.com/pingcap/tiflow/pkg/chann/chann.go:181

5797 @ 0x43f18e 0x44f645 0x396464a 0x472e41
0x3964649 github.com/pingcap/tiflow/pkg/chann.(*Chann[...]).unboundedProcessing+0xe9 github.com/pingcap/tiflow/pkg/chann/chann.go:181`

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What did you expect to see?

Do not leak

What did you see instead?

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

Upstream TiKV version (execute tikv-server --version):

(paste TiKV version here)

TiCDC version (execute cdc version):

(paste TiCDC version here)
V8.1.1
@King-Dylan King-Dylan added area/ticdc Issues or PRs related to TiCDC. type/bug The issue is confirmed as a bug. labels Dec 30, 2024
@hicqu hicqu linked a pull request Dec 31, 2024 that will close this issue
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@hicqu hicqu added severity/major affects-7.5 This bug affects the 7.5.x(LTS) versions. affects-8.1 This bug affects the 8.1.x(LTS) versions. affects-8.5 This bug affects the 8.5.x(LTS) versions. labels Dec 31, 2024
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affects-7.5 This bug affects the 7.5.x(LTS) versions. affects-8.1 This bug affects the 8.1.x(LTS) versions. affects-8.5 This bug affects the 8.5.x(LTS) versions. area/ticdc Issues or PRs related to TiCDC. severity/major type/bug The issue is confirmed as a bug.
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puller: close kvclient correctly when stopping a processor hicqu/ticdc
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@hicqu @King-Dylan