Gnatsd Streaming

Supported OS Linux Windows Mac OS

Integration version1.0.0

Overview

Get metrics from gnatsd_streaming service in real time to:

  • Visualize and monitor gnatsd_streaming states
  • Be notified about gnatsd_streaming failovers and events.

Setup

The gnatsd_streaming check is not included in the Datadog Agent package, so you need to install it.

Installation

For Agent v7.21+ / v6.21+, follow the instructions below to install the gnatsd_streaming check on your host. See Use Community Integrations to install with the Docker Agent or earlier versions of the Agent.

  1. Run the following command to install the Agent integration:

    datadog-agent integration install -t datadog-gnatsd_streaming==<INTEGRATION_VERSION>
    
  2. Configure your integration similar to core integrations.

Configuration

  1. Edit the gnatsd_streaming.d/conf.yaml file in the conf.d/ folder at the root of your Agent’s configuration directory to start collecting your GnatsD streaming metrics. See the sample gnatsd_streaming.d/conf.yaml for all available configuration options.

  2. Restart the Agent

Validation

Run the Agent’s status subcommand and look for gnatsd_streaming under the Checks section.

Compatibility

The gnatsd_streaming check is compatible with all major platforms

Data Collected

Metrics

gnatsd.streaming.serverz.clients
(gauge)
The number of currently connectied clients
Shown as unit
gnatsd.streaming.serverz.subscriptions
(count)
The number of subscriptions the server has handled
Shown as unit
gnatsd.streaming.serverz.channels
(gauge)
The number of currently active channels
Shown as unit
gnatsd.streaming.serverz.total_msgs
(count)
The total number of messages passed through the server
Shown as unit
gnatsd.streaming.serverz.total_bytes
(count)
The total number of bytes passed through the server
Shown as byte
gnatsd.streaming.storez.total_msgs
(count)
The total number of messages passed through the store
Shown as unit
gnatsd.streaming.storez.total_bytes
(count)
The total number of bytes passed through the store
Shown as byte
gnatsd.streaming.clientsz.total
(gauge)
The number of clients connected
Shown as unit
gnatsd.streaming.channelsz.total
(gauge)
The number of channels open
Shown as unit
gnatsd.streaming.channelsz.msgs
(count)
The total count of messages in a channel
Shown as unit
gnatsd.streaming.channelsz.bytes
(count)
The total bytes of messages in a channel
Shown as byte

Nats Streaming Server metrics are tagged with names like “nss-cluster_id”

Events

If you are running Nats Streaming Server in a Fault Tolerant group, a Nats Streaming Failover event is issued when the status of a server changes between FT_STANDBY and FT_ACTIVE.

Service Checks

gnatsd_streaming.can_connect
Returns CRITICAL if the Agent can’t connect to the Gnastd Streaming endpoint, OK otherwise
Statuses: ok, critical

Troubleshooting

Need help? Contact Datadog support.

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