TiDB Operator 1.4.1 Release Notes

Release date: January 13, 2023

TiDB Operator version: 1.4.1

New features

• Support cleaning up failed instances of PD, TiKV and TiFlash components by removing the failed Pods and PVCs to handle unplanned failures of Kubernetes nodes in auto failure recovery feature (#4824, @lalitkfk)

  • To enable this feature, you need to configure controllerManager.detectNodeFailure in TiDB Operator Helm chart and configure the app.kubernetes.io/auto-failure-recovery: "true" annotation in the TidbCluster CR.

Improvements

• Support configuring controllerManager.kubeClientQPS and controllerManager.kubeClientBurst in TiDB Operator Helm chart to set QPS and Burst for the Kubernetes client in TiDB Controller Manager (#4830，@Thearas)

Bug fixes

• Fix the issue that TiDB Controller Manager panics without PV permission (#4837, @csuzhangxc)