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Version: 0.7

GREPTIME_REGION_PEERS

The GREPTIME_REGION_PEERS table shows detailed information of a single Region node in GreptimeDB, such as whether it is a learner or leader.

NOTE

This table is not available on GreptimeCloud.

USE INFORMATION_SCHEMA;
DESC GREPTIME_REGION_PEERS;

The output is as follows:

+--------------+--------+------+------+---------+---------------+
| Column       | Type   | Key  | Null | Default | Semantic Type |
+--------------+--------+------+------+---------+---------------+
| region_id    | UInt64 |      | NO   |         | FIELD         |
| peer_id      | UInt64 |      | YES  |         | FIELD         |
| peer_addr    | String |      | YES  |         | FIELD         |
| is_leader    | String |      | YES  |         | FIELD         |
| status       | String |      | YES  |         | FIELD         |
| down_seconds | Int64  |      | YES  |         | FIELD         |
+--------------+--------+------+------+---------+---------------+
6 rows in set (0.00 sec)

Fields in the GREPTIME_REGION_PEERS table are described as follows:

  • region_id: The ID of the Region.
  • peer_id: The ID of the Region peer.
  • peer_addr: The address of the peer.
  • is_leader: Whether the peer is the leader.
  • status: The status of the peer, ALIVE or DOWNGRADED.
    • ALIVE: The peer is online.
    • DOWNGRADED: The Region peer is unavailable (e.g., crashed, network disconnected), or the Region peer was planned to migrate to another peer.
  • down_seconds: The duration of being offline, in seconds.