deprecate Mydumper (#15196) (#15328)

pingcap · Nov 13, 2023 · 127ef50 · 127ef50
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diff --git a/dumpling-overview.md b/dumpling-overview.md
@@ -45,9 +45,7 @@ TiDB also provides other tools that you can choose to use as needed.
 
 > **Note:**
 >
-> PingCAP previously maintained a fork of the [mydumper project](https://github.com/maxbube/mydumper) with enhancements specific to TiDB. This fork has since been replaced by [Dumpling](/dumpling-overview.md), which has been rewritten in Go, and supports more optimizations that are specific to TiDB. It is strongly recommended that you use Dumpling instead of mydumper.
->
-> For more information on Mydumper, refer to [v4.0 Mydumper documentation](https://docs.pingcap.com/tidb/v4.0/backup-and-restore-using-mydumper-lightning).
+> PingCAP previously maintained a fork of the [mydumper project](https://github.com/maxbube/mydumper) with enhancements specific to TiDB. For more information on Mydumper, refer to [v4.0 Mydumper documentation](https://docs.pingcap.com/tidb/v4.0/backup-and-restore-using-mydumper-lightning). Starting from v7.5.0, [Mydumper](https://docs.pingcap.com/tidb/v4.0/mydumper-overview) is deprecated and most of its features have been replaced by [Dumpling](/dumpling-overview.md). It is strongly recommended that you use Dumpling instead of Mydumper.
 
 Compared to Mydumper, Dumpling has the following improvements:
 

diff --git a/ecosystem-tool-user-guide.md b/ecosystem-tool-user-guide.md
@@ -74,7 +74,7 @@ The following are the basics of Dumpling:
 
 > **Note:**
 >
-> PingCAP previously maintained a fork of the [mydumper project](https://github.com/maxbube/mydumper) with enhancements specific to TiDB. This fork has since been replaced by [Dumpling](/dumpling-overview.md), which has been rewritten in Golang, and provides more optimizations specific to TiDB. It is strongly recommended that you use Dumpling instead of mydumper.
+> PingCAP previously maintained a fork of the [mydumper project](https://github.com/maxbube/mydumper) with enhancements specific to TiDB. For more information on Mydumper, refer to [v4.0 Mydumper documentation](https://docs.pingcap.com/tidb/v4.0/backup-and-restore-using-mydumper-lightning). Starting from v7.5.0, [Mydumper](https://docs.pingcap.com/tidb/v4.0/mydumper-overview) is deprecated and most of its features have been replaced by [Dumpling](/dumpling-overview.md). It is strongly recommended that you use Dumpling instead of Mydumper.
 
 ### Full data import - TiDB Lightning