[close #489 ] fix backoffer data race (#490) #494
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests |
Signed-off-by: iosmanthus <myosmanthustree@gmail.com>
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/merge |
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/run-all-tests |
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@ti-srebot merge failed. |
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cherry-pick #490 to release-3.1
You can switch your code base to this Pull Request by using git-extras:
# In client-java repo: git pr https://github.com/tikv/client-java/pull/494After apply modifications, you can push your change to this PR via:
Signed-off-by: iosmanthus myosmanthustree@gmail.com
What problem does this PR solve?
Issue Number: close #489
ConcreteBackOffermay trigger by multiple threads but thebackOffFunctionMapisHashMapwhich is not thread-safe. This might trigger a race exception while this backoffer is shared between threads.