subscriptions

Each client that submits a subscribe command message is tracked by AMPS, and their relevant metrics are captured in the monitoring instance database. Selecting the subscriptions resource lists the available subscribers. Selecting a subscriber will list the available statistics below:

Metric	Description	Type
backlog	The current number of messages leased on this subscription. Applies to subscriptions to a queue.	snapshot
bookmark	The bookmark the client provided when the subscription was entered, if any.	fixed
client_id	The ID of the subscribing client.	fixed
entitlement_filter	The filter applied to this subscription by the entitlement module, if any. (Since a regular expression subscription can have multiple entitlement filters, one for each matching topic, this is blank for subscriptions that use a regular expression for the topic name.)	fixed
filter	The filter requested on the subscription, if any.	fixed
message_type	Message type for the subscription message. Message type for a subscription is established when the client connects to a Transport. It will be the MessageType of the Transport or the message type supplied in the URI in the case the Transport doesn’t specify a MessageType.	fixed
options	The options string for the subscription.	fixed
pagination_id	For subscriptions that use pagination, the identifier of the paginated set for this subscription.	fixed
seconds_behind	For bookmark subscriptions, the age of the last message enqueued for the client. This indicates the point in the transaction log at which replay is currently happening, and does not necessarily correspond to the rate at which the client is receiving messages or the amount of time required for the client to complete replay.	snapshot
sub_id	The subscription ID for this subscription.	fixed
topic	Subscription topic.	fixed

Statistics Database Tables: ISUBSCRIPTIONS_STATIC, ISUBSCRIPTIONS_DYNAMIC

Admin Path: /amps/instance/subscriptions/<id>/<metric>