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fix rpc client panic cause by concurrent close #1359

Merged
merged 3 commits into from
May 31, 2024
Merged

fix rpc client panic cause by concurrent close #1359

merged 3 commits into from
May 31, 2024

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crazycs520
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@crazycs520 crazycs520 commented May 31, 2024 •
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close #1357

fix rpc client panic cause by concurrent close.

And add a test for it, before this PR, the run test with race flag will failed:

▶ go test -race -run=TestConcurrentCloseConnPanic
panic: close of closed channel

goroutine 90 [running]:
github.com/tikv/client-go/v2/internal/client.(*batchConn).Close(...)
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client_batch.go:891
github.com/tikv/client-go/v2/internal/client.(*connArray).Close(0xc00014a240)
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client.go:384 +0xdc
github.com/tikv/client-go/v2/internal/client.(*RPCClient).CloseAddrVer(0xc00011e230, {0x10503ec2e, 0xe}, 0xffffffffffffffff)
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client.go:876 +0x500
github.com/tikv/client-go/v2/internal/client.(*RPCClient).CloseAddr(...)
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client.go:858
github.com/tikv/client-go/v2/internal/client.TestConcurrentCloseConnPanic.func2()
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client_test.go:1065 +0xa4
created by github.com/tikv/client-go/v2/internal/client.TestConcurrentCloseConnPanic in goroutine 8
        /Users/cs/code/goread/src/github.com/pingcap/client-go/internal/client/client_test.go:1063 +0x2b8
exit status 2
FAIL    github.com/tikv/client-go/v2/internal/client    0.341s

@crazycs520 crazycs520 marked this pull request as ready for review May 31, 2024 08:37
@crazycs520 crazycs520 mentioned this pull request May 31, 2024
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@crazycs520
address comment
d9158cb 
Signed-off-by: crazycs520 <[email protected]>
@crazycs520
refine
c86091c 
Signed-off-by: crazycs520 <[email protected]>
@cfzjywxk cfzjywxk merged commit cb580bc into tikv:master May 31, 2024
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@crazycs520 crazycs520 deleted the fix-concurrent-close-conn-panic-master branch May 31, 2024 11:01
@crazycs520 crazycs520 mentioned this pull request Jun 7, 2024
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@cfzjywxk cfzjywxk cfzjywxk approved these changes

@zyguan zyguan zyguan approved these changes

@MyonKeminta MyonKeminta MyonKeminta approved these changes

@you06 you06 Awaiting requested review from you06

@ekexium ekexium Awaiting requested review from ekexium

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kvclient panic when kill pd leader during br backup
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@crazycs520 @cfzjywxk @zyguan @MyonKeminta