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Unit test case 'session TestNonTransactionalDeleteShardingOnVarchar' can't run on real TiKV #35837

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tiancaiamao opened this issue Jun 30, 2022 · 2 comments
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Unit test case 'session TestNonTransactionalDeleteShardingOnVarchar' can't run on real TiKV #35837

tiancaiamao opened this issue Jun 30, 2022 · 2 comments
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severity/minor sig/transaction SIG:Transaction type/bug The issue is confirmed as a bug.

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@tiancaiamao
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

I'm testing paging protocol by running tidb UT with a real TiKV using this branch #35647

tiup playground nightly --mode tikv-slim
cd session
go test -run ^TestNonTransactionalDeleteShardingOnVarchar$ -with-tikv 127.0.0.1:2379

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

Success

3. What did you see instead (Required)

The test hang...
The test case TestNonTransactionalDeleteShardingOnInt also have the same problem.

4. What is your TiDB version? (Required)

master

commit 47a4f3a017768dda0b9a826451486c5539bc8427 (HEAD -> master, origin/master, origin/HEAD)
Author: Weizhen Wang <[email protected]>
Date:   Wed Jun 29 20:16:40 2022 +0800

    *: enable unconvert (#35821)
    
    ref pingcap/tidb#35345
@tiancaiamao tiancaiamao added type/bug The issue is confirmed as a bug. sig/transaction SIG:Transaction severity/minor labels Jun 30, 2022
@ekexium
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ekexium commented Jul 22, 2022 •
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I failed to reproduce the problem, though it takes 300s to finish the test.

@tiancaiamao
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You're right, it's just slow with real tikv, not hang... @ekexium

go test -run ^TestNonTransactionalDeleteShardingOnVarchar$  -with-tikv 127.0.0.1:2379
ok  	github.com/pingcap/tidb/session	372.274s

go test -run ^TestNonTransactionalDeleteShardingOnVarchar$ 
ok  	github.com/pingcap/tidb/session	2.961s

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@tiancaiamao @ekexium