show-leaves

Description

A convenience wrapper for running SELECT * FROM INFORMATION_SCHEMA.LEAVES on the Master Aggregator on this host.

Returns a list of leaves in the cluster. This command must be run from the same host that the Master Aggregator is on.

Usage

Usage:
memsqlctl show-leaves [flags]
Flags:
-h, --help Help for show-leaves
Global Flags:
-c, --config FILE_PATH Path to the memsqctl config file
--default-install-dir DIRECTORY_PATH Path to the default install directory
--insecure-ssl Fall back to insecure SSL connections to local SingleStore nodes if memsqlctl is unable to otherwise establish a connection (ADVANCED)
-j, --json Print output in JSON format
--node-metadata-file FILE_PATH Path to the node metadata file
--parallelism POSITIVE_INTEGER Maximum amount of operations to be run in parallel
--ssl-ca FILE_PATH The path to the CA certificate file (in PEM format) to authenticate the database certificate
--timeout duration Maximum time for operation to complete (e.g., 30s, 10m, 1.5h)
--verbose-json Print output in JSON format, include some warnings and user messages
-v, --verbosity count Increase logging verbosity
-y, --yes Enable non-interactive mode and assume the user would like to move forward with the proposed actions by default

Remarks

  • This command is interactive unless you use either --yes or --json flag to override interactive behavior.

  • Returns a list of leaves in the cluster. This command must be run from the same host that the Master Aggregator is on.

Output

The following is the standard output for the show-leaves command.

sudo memsqlctl show-leaves
+------------+------+--------------------+-----------+-----------+--------+--------------------+------------------------------+
|    Host    | Port | Availability Group | Pair Host | Pair Port | State  | Opened Connections | Average Roundtrip Latency ms |
+------------+------+--------------------+-----------+-----------+--------+--------------------+------------------------------+
| 172.17.0.5 | 3306 |                  1 | null      | null      | online |                  2 |                        0.453 |
| 172.17.0.6 | 3306 |                  1 | null      | null      | online |                  2 |                        0.453 |
| 172.17.0.7 | 3306 |                  1 | null      | null      | online |                  2 |                        0.453 |
+------------+------+--------------------+-----------+-----------+--------+--------------------+------------------------------+

Last modified: April 25, 2023

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