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      Help Center/ MapReduce Service/ User Guide (ME-Abu Dhabi Region)/ Troubleshooting/ Using DBService
      Updated on 2022-02-22 GMT+08:00
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      Using DBService

      • DBServer Instance Is in Abnormal Status
      • DBServer Instance Remains in the Restoring State
      • Default Port 20050 or 20051 Is Occupied
      • DBServer Instance Is Always in the Restoring State Because the Incorrect /tmp Directory Permission
      • DBService Backup Failure
      • Components Failed to Connect to DBService in Normal State
      • DBServer Failed to Start
      • DBService Backup Failed Because the Floating IP Address Is Unreachable
      • DBService Failed to Start Due to the Loss of the DBService Configuration File
      Parent topic: Troubleshooting

      Previous topic: ClickHouse Fails to Start Due to Incorrect Data in ZooKeeper

      Next topic: DBServer Instance Is in Abnormal Status

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