Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
SHOW CLUSTER STATUS
On this page
Shows information about partitions within a cluster including replication role, replication state, and replication position, across all databases.
Syntax
SHOW CLUSTER STATUS;
Remarks
-
This command must be run on the master aggregator or a child aggregator node (see Node Requirements for SingleStore Commands).
-
Refer to the Permission Matrix for the required permission.
Table description
|
Field |
Data Type (Size) |
Description |
Example Value |
|---|---|---|---|
|
NODE_ |
bigint(10) |
ID of node. |
1 |
|
HOST |
varchar(512) |
Host of the node |
127. |
|
PORT |
bigint(10) |
The port of the node |
10000 |
|
DATABASE_ |
varchar(512) |
Name of database |
Transaction_ |
|
ROLE |
varchar(512) |
Database’s role (e. |
master |
|
STATE |
varchar(256) |
Database state |
replicating |
|
POSITION |
varchar(256) |
Position in transaction log |
0:8832 |
|
MASTER_ |
varchar(256) |
Host of this node’s aggregator |
127. |
|
MASTER_ |
bigint(10) |
Port of this node’s aggregator |
127. |
|
METADATA_ |
bigint(10) |
Master’s node ID expected by metadata. |
1 |
|
METADATA_ |
varchar(256) |
Master’s host expected by metadata. |
127. |
|
METADATA_ |
bigint(10) |
Master’s port expected by metadata |
3306 |
|
METADATA_ |
varchar(512) |
Database’s role based on metadata |
Orphan |
|
DETAILS |
varchar(512) |
Extra details |
stage: packet wait, state: x_ |
Sample output
SELECT * FROM information_schema.MV_CLUSTER_STATUS
+---------+-----------+-------+---------------------------+---------------+-------------+----------+-------------+-------------+-------------------------+----------------------+----------------------+---------------+-------------------------------------------------+
| NODE_ID | HOST | PORT | DATABASE_NAME | ROLE | STATE | POSITION | MASTER_HOST | MASTER_PORT | METADATA_MASTER_NODE_ID | METADATA_MASTER_HOST | METADATA_MASTER_PORT | METADATA_ROLE | DETAILS |
+---------+-----------+-------+---------------------------+---------------+-------------+----------+-------------+-------------+-------------------------+----------------------+----------------------+---------------+-------------------------------------------------+
| 1 | 127.0.0.1 | 10000 | cluster | master | online | 0:46 | NULL | NULL | NULL | NULL | NULL | Reference | |
| 1 | 127.0.0.1 | 10000 | monitoring | master | online | 0:8832 | NULL | NULL | NULL | NULL | NULL | Reference | |
| 1 | 127.0.0.1 | 10000 | vigilantia | master | online | 0:24616 | NULL | NULL | NULL | NULL | NULL | Reference | |
| 3 | 127.0.0.1 | 10001 | cluster | async replica | replicating | 0:45 | 127.0.0.1 | 10000 | 1 | 127.0.0.1 | 10000 | Reference | stage: packet wait, state: x_streaming, err: no |
| 3 | 127.0.0.1 | 10001 | monitoring | sync replica | replicating | 0:8832 | 127.0.0.1 | 10000 | 1 | 127.0.0.1 | 10000 | Reference | |
| 3 | 127.0.0.1 | 10001 | monitoring_0 | master | online | 0:58893 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | monitoring_0_AUTO_REPLICA | async replica | replicating | 0:58893 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
| 3 | 127.0.0.1 | 10001 | monitoring_1 | master | online | 0:57439 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | monitoring_1_AUTO_REPLICA | async replica | replicating | 0:57439 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
| 3 | 127.0.0.1 | 10001 | monitoring_2 | master | online | 0:49952 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | monitoring_2_AUTO_REPLICA | async replica | replicating | 0:49952 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
| 3 | 127.0.0.1 | 10001 | vigilantia | sync replica | replicating | 0:24616 | 127.0.0.1 | 10000 | 1 | 127.0.0.1 | 10000 | Reference | |
| 3 | 127.0.0.1 | 10001 | vigilantia_0 | master | online | 0:25874 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | vigilantia_0_AUTO_REPLICA | async replica | replicating | 0:25874 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
| 3 | 127.0.0.1 | 10001 | vigilantia_1 | master | online | 0:25874 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | vigilantia_1_AUTO_REPLICA | async replica | replicating | 0:25874 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
| 3 | 127.0.0.1 | 10001 | vigilantia_2 | master | online | 0:25874 | NULL | NULL | NULL | NULL | NULL | Master | |
| 3 | 127.0.0.1 | 10001 | vigilantia_2_AUTO_REPLICA | async replica | replicating | 0:25874 | 127.0.0.1 | 10001 | NULL | NULL | NULL | Orphan | |
+---------+-----------+-------+---------------------------+---------------+-------------+----------+-------------+-------------+-------------------------+----------------------+----------------------+---------------+-------------------------------------------------+Last modified: January 9, 2023