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`ADMIN DIAGNOSE TABLET tablet_id`
This statement makes it easier to quickly diagnose the status of a tablet.
See "ADMIN-DIAGNOSE-TABLET.md" for details
```
mysql> admin diagnose tablet 10196;
+----------------------------------+------------------------------+------------+
| Item | Info | Suggestion |
+----------------------------------+------------------------------+------------+
| TabletExist | Yes | |
| TabletId | 10196 | |
| Database | default_cluster:db1: 10192 | |
| Table | tbl1: 10194 | |
| Partition | tbl1: 10193 | |
| MaterializedIndex | tbl1: 10195 | |
| Replicas(ReplicaId -> BackendId) | {"10197":10002} | |
| ReplicasNum | OK | |
| ReplicaBackendStatus | Backend 10002 is not alive. | |
| ReplicaVersionStatus | OK | |
| ReplicaStatus | OK | |
| ReplicaCompactionStatus | OK | |
+----------------------------------+------------------------------+------------+
```
60 lines
2.3 KiB
Markdown
60 lines
2.3 KiB
Markdown
---
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{
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"title": "ADMIN DIAGNOSE TABLET",
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"language": "en"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# ADMIN DIAGNOSE TABLET
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## description
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This statement is used to diagnose the specified tablet. The results will show information about the tablet and some potential problems.
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grammar:
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ADMIN DIAGNOSE TABLET tblet_id
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illustrate:
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The lines of information in the result are as follows:
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1. TabletExist: Whether the Tablet exists
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2. TabletId: Tablet ID
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3. Database: The DB to which the Tablet belongs and its ID
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4. Table: The Table to which Tablet belongs and its ID
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5. Partition: The Partition to which the Tablet belongs and its ID
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6. MaterializedIndex: The materialized view to which the Tablet belongs and its ID
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7. Replicas(ReplicaId -> BackendId): Tablet replicas and their BE.
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8. ReplicasNum: Whether the number of replicas is correct.
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9. ReplicaBackendStatus: Whether the BE node where the replica is located is normal.
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10.ReplicaVersionStatus: Whether the version number of the replica is normal.
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11.ReplicaStatus: Whether the replica status is normal.
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12.ReplicaCompactionStatus: Whether the replica Compaction status is normal.
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## example
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1. Diagnose tablet 10001
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ADMIN DIAGNOSE TABLET 10001;
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## keyword
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ADMIN,DIAGNOSE,TABLET
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