SingleStore DB

show-aggregators
Description

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

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

Usage:
  memsqlctl show-aggregators [flags]

Flags:
  -h, --help   Help for show-aggregators

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 aggregators 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.

  • The memsqlctl show-aggregators command is equivalent to the sdb-admin show-aggregators command.

Output

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

$ sudo memsqlctl show-aggregators
+------------+------+--------+--------------------+------------------------------+-------------------+
|    Host    | Port | State  | Opened Connections | Average Roundtrip Latency ms | Master Aggregator |
+------------+------+--------+--------------------+------------------------------+-------------------+
| 172.17.0.2 | 3306 | online |0                   | null                         |1                  |
| 172.17.0.7 | 3307 | online |1                   | 10.089                       |0                  |
+------------+------+--------+--------------------+------------------------------+-------------------+