Command: glimpse-cluster

The glimpse-cluster command provides the ability to

• launch worker nodes, and
• get the status for running worker nodes.

Usage of the command is:

glimpse-cluster [options] CMD [ARGS]

Supported values for options and CMD depend on the cluster implementation, which is chosen by setting the GLIMPSE_CLUSTER_TYPE environment variable. Usage for each implementation are shown below.

Gearman Cluster Usage

For the gearman cluster, supported options include:

-c FILE	Read socket configuration from FILE.
-v	Be verbose with logging.

Supported values for the CMD argument include:

LaunchBroker

Start a set of intermediate devices for the cluster on this machine.

LaunchWorker

Start a cluster worker on the local host.

KillWorkers

Send a quit command to any workers running on the cluster.

RestartWorkers

Send restart to any workers running on cluster, causing a restart.

PingWorkers

Determine the set of active workers.

IPython Cluster Usage

For the ipython cluster, supported options include:

-p PROF	Set the IPython profile.
-v	Be verbose with logging.

and CMD can be one of:

KillWorkers

Kill all active workers.

RestartWorkers

Kill and relaunch all active workers.

PingWorkers

Determine the set of active workers.

ZeroMQ Cluster Usage

For the zmq cluster, supported options include:

-c FILE	Read socket configuration from FILE.
-v	Be verbose with logging.

and CMD can be one of:

LaunchBrokers

Start a set of intermediate devices for the cluster on this machine.

LaunchWorker

Start a cluster worker on the local host.

KillWorkers

Send a quit command to any workers running on the cluster.

RestartWorkers

Send restart to any workers running on cluster, causing a restart.

PingWorkers

Determine the set of active workers.

FlushCluster

Consume any queued messages waiting on the cluster.