TiDB Operator 1.5.2 Release Notes

Release date: January 19, 2024

TiDB Operator version: 1.5.2

New features

Starting from v1.5.2, TiDB Operator supports backing up and restoring the data of a TiDB cluster deployed across multiple AWS Kubernetes clusters to AWS storage using EBS volume snapshots. For more information, refer to Back up Data Using EBS Snapshots across Multiple Kubernetes and Restore Data Using EBS Snapshots across Multiple Kubernetes. (#5003, @BornChanger, @WangLe1321, @YuJuncen, @csuzhangxc)

startScriptVersion: v2 supports waiting for Pod IP to match the one published to external DNS before starting a PD or TiKV to better support scenarios such as Stale Read (#5381, @smineyev81)
startScriptVersion: v2 supports explicitly specifying PD addresses to better support scenarios where a TiDB cluster is deployed across Kubernetes (#5400, @smineyev81)
tidb-operator Helm Chart supports specifying resource lock for leader election when deploying Advanced StatefulSet (#5448, @csuzhangxc)

Fix the issue that changing meta information such as annotations and replacing volumes at the same time might cause a deadlock for TiDB Operator reconcile (#5382, @anish-db)
Fix the issue that the PD member might be set to the wrong label when replacing volumes (#5393, @anish-db)