Obliviate

validator(dm): fix unstable test

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### What problem does this PR solve? Issue Number: close #6734 ### What is changed and how it works? 1. wait for min-flush-interval to ensure the second flush happens 2....

test(dm): unstable test validator_basic failover

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https://ci2.pingcap.net/blue/organizations/jenkins/dm_ghpr_integration_test/detail/dm_ghpr_integration_test/8862/pipeline We tried to trigger two flush checkpoints, but only one occurred.  possible root cause: 

dm: ambiguous illustration about WebUI

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## Change Request **This repository is ONLY used to solve problems related to DOCS-CN. For other issues (TiDB, TiKV, etc), please move to [other repositories](https://github.com/pingcap/).** Please answer the following questions...

## Change Request **This repository is ONLY used to solve problems related to DOCS-CN. For other issues (TiDB, TiKV, etc), please move to [other repositories](https://github.com/pingcap/).** Please answer the following questions...

TypeError: 'NoneType' object is not callable

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os: ubuntu16.04 torch: 1.1.0 torchvision: 0.3.0 torchfile: 0.1.0 ```python vgglua = torchfile.load(os.path.join(model_folder, 'vgg16.t7')) vgg = Vgg16() for (src, dst) in zip(vgglua.parameters()[0], vgg.parameters()): dst.data[:] = src ``` Error occured: ``` for...

Hi, when I tried parsing parquet file exported from Aurora with `parquet-go`, I met an unexpected data inconsistency. The columns in my table are binary type, such as BINARY, BLOB,...

unstable test: lightning_max_random

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## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) /run-integration-br-test ### 2. What did you expect to see? (Required) CI success...

running BR in incompatible version of cluster

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## Bug Report ### What version of TiKV are you using? latest master branch ### What operating system and CPU are you using? macOS ### Steps to reproduce restore table...

validator(dm): fix deadlock of validator

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### What problem does this PR solve? Issue Number: close #7241 ### What is changed and how it works? ### Check List #### Tests - Unit test #### Questions #####...

dm: checkpoint mechanism and common QA

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### First-time contributors' checklist - [x] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) - introduction...