SingleStore DB

show-leaves
Description

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

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

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 DB 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                     Path to the CA certificate file in PEM format to authenticate the MemSQL server 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
  • Returns a list of leaves in the cluster. This command must be run from the same host that the Master Aggregator is on.

  • 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 |
+------------+------+--------------------+-----------+-----------+--------+--------------------+------------------------------+