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TiDB Operator 1.0.1 Release Notes

Release date: September 17, 2019

TiDB Operator version: 1.0.1

v1.0.1 What's New

Action Required

  • ACTION REQUIRED: We fixed a serious bug (#878) that could cause all PD and TiKV pods to be accidentally deleted when kube-apiserver fails. This would cause TiDB service outage. So if you are using v1.0.0 or prior versions, you must upgrade to v1.0.1.
  • ACTION REQUIRED: The backup tool image pingcap/tidb-cloud-backup uses a forked version of Mydumper. The current version pingcap/tidb-cloud-backup:20190610 contains a serious bug that could result in a missing column in the exported data. This is fixed in #29. And the default image used now contains this fixed version. So if you are using the old version image for backup, you must upgrade to use pingcap/tidb-cloud-backup:201908028 and do a new full backup to avoid potential data inconsistency.

Improvements

  • Modularize GCP Terraform
  • Add a script to remove orphaned k8s disks
  • Support binlog.pump.config, binlog.drainer.config configurations for Pump and Drainer
  • Set the resource limit for the tidb-backup job
  • Add affinity to Pump and Drainer configurations
  • Upgrade local-volume-provisioner to v2.3.2
  • Reduce e2e run time from 60m to 20m
  • Prevent the Pump process from exiting with 0 if the Pump becomes offline
  • Support expanding cloud storage PV dynamically by increasing PVC storage size
  • Add the tikvGCLifeTime option to do backup
  • Add important parameters to tikv.config and tidb.config in values.yaml
  • Support restoring the TiDB cluster from a specified scheduled backup directory
  • Enable cloud storage volume expansion & label local volume
  • Document and improve HA algorithm
  • Support specifying the permit host in the values.tidb.permitHost chart
  • Add the zone label and reserved resources arguments to kubelet
  • Update the default backup image to pingcap/tidb-cloud-backup:20190828

Bug Fixes

  • Fix the TiKV scale-in failure in some cases after the TiKV failover
  • Fix error handling for UpdateService
  • Fix some orphan pods cleaner bugs
  • Fix the bug of setting the StatefulSet partition
  • Fix ad-hoc full backup failure due to incorrect claimName
  • Fix the offline Pump: the Pump process will exit with 0 if going offline
  • Fix an incorrect condition judgment

Detailed Bug Fixes and Changes

  • Clean up tidb.pingcap.com/pod-scheduling annotation when the pod is scheduled (#790)
  • Update tidb-cloud-backup image tag (#846)
  • Add the TiDB permit host option (#779)
  • Add the zone label and reserved resources for nodes (#871)
  • Fix some orphan pods cleaner bugs (#878)
  • Fix the bug of setting the StatefulSet partition (#830)
  • Add the tikvGCLifeTime option (#835)
  • Add recommendations options to Mydumper (#828)
  • Fix ad-hoc full backup failure due to incorrect claimName (#836)
  • Improve tkctl get command output (#822)
  • Add important parameters to TiKV and TiDB configurations (#786)
  • Fix the issue that binlog.drainer.config is not supported in v1.0.0 (#775)
  • Support restoring the TiDB cluster from a specified scheduled backup directory (#804)
  • Fix extraLabels description in values.yaml (#763)
  • Fix tkctl log output exception (#797)
  • Add a script to remove orphaned K8s disks (#745)
  • Enable cloud storage volume expansion & label local volume (#772)
  • Prevent the Pump process from exiting with 0 if the Pump becomes offline (#769)
  • Modularize GCP Terraform (#717)
  • Support binlog.pump.config configurations for Pump and Drainer (#693)
  • Remove duplicate key values (#758)
  • Fix some typos (#738)
  • Extend the waiting time of the CheckManualPauseTiDB process (#752)
  • Set the resource limit for the tidb-backup job (#729)
  • Fix e2e test compatible with v1.0.0 (#757)
  • Make incremental backup test work (#764)
  • Add retry logic for LabelNodes function (#735)
  • Fix the TiKV scale-in failure in some cases (#726)
  • Add affinity to Pump and Drainer (#741)
  • Refine cleanup logic (#719)
  • Inject a failure by pod annotation (#716)
  • Update README links to point to correct pingcap.com/docs URLs for English and Chinese (#732)
  • Document and improve HA algorithm (#670)
  • Fix an incorrect condition judgment (#718)
  • Upgrade local-volume-provisioner to v2.3.2 (#696)
  • Reduce e2e test run time (#713)
  • Fix Terraform GKE scale-out issues (#711)
  • Update wording and fix format for v1.0.0 (#709)
  • Update documents (#705)
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