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2 changes: 1 addition & 1 deletion explore-htap.md
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Expand Up @@ -108,7 +108,7 @@ If any issue occurs during using TiDB, refer to the following documents:
- [TiDB cluster troubleshooting guide](/troubleshoot-tidb-cluster.md)
- [Troubleshoot a TiFlash Cluster](/tiflash/troubleshoot-tiflash.md)

You are also welcome to create [GitHub Issues](https://github.com/pingcap/tiflash/issues) or submit your questions on [AskTUG](https://asktug.com/).
You are also welcome to create [GitHub Issues](https://github.com/pingcap/tiflash/issues) or ask the community on [Discord](https://discord.gg/DQZ2dy3cuc?utm_source=doc) or [Slack](https://slack.tidb.io/invite?team=tidb-community&channel=everyone&ref=pingcap-docs).

## What's next

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2 changes: 1 addition & 1 deletion faq/manage-cluster-faq.md
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Expand Up @@ -109,7 +109,7 @@ You can scale TiDB as your business grows.

### If Percolator uses distributed locks and the crash client keeps the lock, will the lock not be released?

For more details, see [Percolator and TiDB Transaction Algorithm](https://tidb.net/blog/f537be2c) in Chinese.
For more details, see [Percolator and TiDB Transaction Algorithm](https://pingkai.cn/tidbcommunity/blog/f537be2c) in Chinese.

### Why does TiDB use gRPC instead of Thrift? Is it because Google uses it?

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2 changes: 1 addition & 1 deletion grafana-tikv-dashboard.md
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Expand Up @@ -12,7 +12,7 @@ The Grafana dashboard is divided into a series of sub dashboards which include O

## TiKV-Details dashboard

You can get an overview of the component TiKV status from the **TiKV-Details** dashboard, where the key metrics are displayed. According to the [Performance Map](https://asktug.com/_/tidb-performance-map/#/), you can check whether the status of the cluster is as expected.
You can get an overview of the component TiKV status from the **TiKV-Details** dashboard, where the key metrics are displayed. According to the [Performance Map](https://pingkai.cn/tidbcommunity/forum/_/tidb-performance-map/#/), you can check whether the status of the cluster is as expected.
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This section provides a detailed description of these key metrics on the **TiKV-Details** dashboard.

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2 changes: 1 addition & 1 deletion tidb-troubleshooting-map.md
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Expand Up @@ -402,7 +402,7 @@ Check the specific cause for busy by viewing the monitor **Grafana** -> **TiKV**

- The database related passwords in all the DM configuration files should be encrypted by `dmctl`. If a database password is empty, it is unnecessary to encrypt the password. Cleartext passwords can be used since v1.0.6.
- During DM operation, the user of the upstream and downstream databases must have the corresponding read and write privileges. Data Migration also [prechecks the corresponding privileges](/dm/dm-precheck.md) automatically while starting the data replication task.
- To deploy different versions of DM-worker/DM-master/dmctl in a DM cluster, see the [case study on AskTUG](https://asktug.com/t/dm1-0-0-ga-access-denied-for-user/1049/5) in Chinese.
- To deploy different versions of DM-worker/DM-master/dmctl in a DM cluster, see the [case study on AskTUG](https://pingkai.cn/tidbcommunity/forum/t/topic/1049/5) in Chinese.

- 6.1.3 A replication task is interrupted with the `driver: bad connection` error returned.

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