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releases: fix the PROGRESS column name in the v6.4.0 release notes #24196

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releases: fix the PROGRESS column name in the v6.4.0 release notes #24196

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2 changes: 1 addition & 1 deletion releases/release-6.4.0.md
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Expand Up @@ -160,7 +160,7 @@ In v6.4.0-DMR, the key new features and improvements are as follows:

* Improve the accuracy of TiFlash data replication progress [#4902](https://github.com/pingcap/tiflash/issues/4902) @[hehechen](https://github.com/hehechen)

In TiDB, the `PROGRESS` field of the `INFORMATION_SCHEMA.TIFLASH_REPLICA` table is used to indicate the progress of data replication from the corresponding tables in TiKV to the TiFlash replicas. In earlier TiDB versions, the `PROCESS` field only provides the progress of data replication during the creation of the TiFlash replicas. After a TiFlash replica is created, if new data is imported to a corresponding table in TiKV, this field will not be updated to show the replication progress from TiKV to TiFlash for the new data.
In TiDB, the `PROGRESS` field of the `INFORMATION_SCHEMA.TIFLASH_REPLICA` table is used to indicate the progress of data replication from the corresponding tables in TiKV to the TiFlash replicas. In earlier TiDB versions, the `PROGRESS` field only provides the progress of data replication during the creation of the TiFlash replicas. After a TiFlash replica is created, if new data is imported to a corresponding table in TiKV, this field will not be updated to show the replication progress from TiKV to TiFlash for the new data.

In v6.4.0, TiDB improves the update mechanism of data replication progress for TiFlash replicas. After a TiFlash replica is created, if new data is imported to a corresponding table in TiKV, the `PROGRESS` value in the [`INFORMATION_SCHEMA.TIFLASH_REPLICA`](/information-schema/information-schema-tiflash-replica.md) table will be updated to show the actual replication progress from TiKV to TiFlash for the new data. With this improvement, you can easily view the actual progress of TiFlash data replication.

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