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Leak in client-go/v2/txnkv/transaction.keepAlive #26997

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#27047
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Leak in client-go/v2/txnkv/transaction.keepAlive#26997
#27047
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sticnarf
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severity/minorsig/transactionSIG:Transactiontype/bugThe issue is confirmed as a bug.
@zhouqiang-cl

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@zhouqiang-cl
zhouqiang-cl
opened on Aug 8, 2021

Bug Report

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[2021-08-08T10:09:47.248Z]     leaktest.go:177: Test TestT check-count 50 appears to have leaked: github.com/tikv/client-go/v2/txnkv/transaction.keepAlive(0xc0fabea780, 0xc08e025680, 0xc08e12d05b, 0x1c, 0x1c, 0xc08e101320)
[2021-08-08T10:09:47.248Z]         	/nfs/cache/mod/github.com/tikv/client-go/v2@v2.0.0-alpha.0.20210806085616-14892a598eab/txnkv/transaction/2pc.go:897 +0x105
[2021-08-08T10:09:47.248Z]         created by github.com/tikv/client-go/v2/txnkv/transaction.(*ttlManager).run
[2021-08-08T10:09:47.248Z]         	/nfs/cache/mod/github.com/tikv/client-go/v2@v2.0.0-alpha.0.20210806085616-14892a598eab/txnkv/transaction/2pc.go:870 +0xfe
[2021-08-08T10:09:47.248Z] --- FAIL: TestT (152.43s)
[2021-08-08T10:09:47.248Z] FAIL

1. Minimal reproduce step (Required)

in ci https://ci.pingcap.net/blue/rest/organizations/jenkins/pipelines/tidb-unit-test-nightly/runs/7911/nodes/132/steps/544/log/?start=0

2. What did you expect to see? (Required)

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

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