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SHOW TABLET DIAGNOSIS

Description​

This statement is used to diagnose the specified tablet. The results will show information about the tablet and some potential problems.

grammar:

SHOW TABLET DIAGNOSE TABLET tablet_id

illustrate:

The lines of information in the result are as follows:

  1. TabletExist: Whether the Tablet exists
  2. TabletId: Tablet ID
  3. Database: The DB to which the Tablet belongs and its ID
  4. Table: The Table to which Tablet belongs and its ID
  5. Partition: The Partition to which the Tablet belongs and its ID
  6. MaterializedIndex: The materialized view to which the Tablet belongs and its ID
  7. Replicas(ReplicaId -> BackendId): Tablet replicas and their BE.
  8. ReplicasNum: Whether the number of replicas is correct.
  9. ReplicaBackendStatus: Whether the BE node where the replica is located is normal.
  10. ReplicaVersionStatus: Whether the version number of the replica is normal.
  11. ReplicaStatus: Whether the replica status is normal.
  12. ReplicaCompactionStatus: Whether the replica Compaction status is normal.

Example​

  1. Diagnose tablet 10001

    SHOW TABLET DIAGNOSE TABLET 10001;

Keywords​

SHOW, DIAGNOSIS, TABLET