The metrics node

Subscribe to internal metric events of running tasks. For more information on these events make yourself familiar with faxe's metrics.

Note: It is not possible to subscribe to metrics for the task the metrics node belongs to.

Example

%% get all metrics for task "flow1" and node "amqp_publish13"
|metrics()
.flow('flow1')
.node('amqp_publish13')


%% get total number of bytes read and written for task "flow32"
|metrics()
.flow('flow32')
.metrics('bytes_read', 'bytes_sent')

Parameters

Parameter	Description	Default
flow( string )	Id of task
node( string )	Id of node	undefined
metrics( string_list )	List of metric_names	undefined