deployment �→ tooling, to manage and maintain connections to TiDB so that they live �→ through rolling restarts, upgrades, or scaling events. 0 码力 | 6123 页 | 107.24 MB | 1 年前

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current TiDB cluster. 8.1.1.1 Upgrade caveat • TiDB currently does not support version downgrade or rolling back to an earlier version after the upgrade. 821 • For the v4.0 cluster managed using TiDB Ansible Upgrade TiFlash using TiUP. • Try to avoid creating a new clustered index table when you apply rolling updates to the clusters using TiDB Binlog. Specify the component version during upgrade Starting state. • The DDL operations to be performed are paused. 2. Replace the TiDB binary and perform a rolling upgrade. This process is the same as the original upgrade process. • The system DDL operations are

online master key rotation is not supported, so you need to restart TiKV. It is advised to do a rolling restart to a running TiKV cluster serving online query. Here is an example configuration for rotating Therefore, you need 866 to restart TiFlash to make the rotation effective. It is recommended to do a rolling restart to a running TiFlash cluster serving online query. To rotate the KMS CMK, add the following before the upgrade is longer than the loading time after the upgrade. • If you want to shorten the rolling upgrade duration of TiDB and the potential performance impact of missing initial statistical infor-

online master key rotation is not supported, so you need to restart TiKV. It is advised to do a rolling restart to a running TiKV cluster serving online query. Here is an example configuration for rotating Therefore, you need 869 to restart TiFlash to make the rotation effective. It is recommended to do a rolling restart to a running TiFlash cluster serving online query. To rotate the KMS CMK, add the following before the upgrade is longer than the loading time after the upgrade. • If you want to shorten the rolling upgrade duration of TiDB and the potential performance impact of missing initial statistical infor-

deployment �→ tooling, to manage and maintain connections to TiDB so that they live �→ through rolling restarts, upgrades, or scaling events. 0 码力 | 6479 页 | 108.61 MB | 10 月前

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hardware deployment. The estimation ability provides you with a more accurate reference for capacity planning and assists you in better managing TiDB resource allocation to meet the stability needs of enterprise-level automatically pause any running or queued user DDL tasks before the upgrade and resume these tasks after the rolling upgrade, making it easier for you to upgrade your TiDB clusters. For more information, see documentation scenarios #8974 @hicqu • Fix the TiCDC node panic that occurs when the downstream Kafka sinks are rolling restarted #9023 @asddongmen • TiDB Data Migration (DM) • Fix the issue that latin1 data might be

solutions. • Since v6.3.0, TiCDC supports rolling upgrade. During the upgrade, the replication latency is stable and does not fluctuate significantly. Rolling upgrade takes effect automatically if the online master key rotation is not supported, so you need to restart TiKV. It is advised to do a rolling restart to a running TiKV cluster serving online query. Here is an example configuration for rotating Therefore, you need to restart TiFlash to make the rotation effective. It is recommended to do a rolling restart to a running TiFlash cluster serving online query. To rotate the KMS CMK, add the following

online master key rotation is not supported, so you need to restart TiKV. It is advised to do a rolling restart to a running TiKV cluster serving online query. Here is an example configuration for rotating Therefore, you need 944 to restart TiFlash to make the rotation effective. It is recommended to do a rolling restart to a running TiFlash cluster serving online query. To rotate the KMS CMK, add the following before the upgrade is longer than the loading time after the upgrade. • If you want to shorten the rolling upgrade duration of TiDB and the potential performance impact of missing initial statistical infor-

deployment �→ tooling, to manage and maintain connections to TiDB so that they live �→ through rolling restarts, upgrades, or scaling events. 0 码力 | 6321 页 | 107.46 MB | 1 年前

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The usage scenarios of TiProxy are as follows: • During maintenance operations such as rolling restarts, rolling upgrades, and scaling-in in a TiDB cluster, changes occur in the TiDB servers which result functions #49566 #50850 #50855 @jiyfhust • Fix the issue that TiDB might panic when performing a rolling upgrade us- ing tiup cluster upgrade/start due to an interaction issue with PD #50152 @zimulala before the upgrade is longer than the loading time after the upgrade. • If you want to shorten the rolling upgrade duration of TiDB and the potential performance impact of missing initial statistical infor-