Docs » Supported integrations in Splunk Observability Cloud » Configure application receivers for databases » Hadoop

Hadoop 🔗

The Splunk Distribution of OpenTelemetry Collector uses the Smart Agent receiver with the Hadoop monitor type to collect metrics from the following components of a Hadoop 2.0 or higher cluster:

  • Cluster Metrics

  • Cluster Scheduler

  • Cluster Applications

  • Cluster Nodes

  • MapReduce Jobs

This integration uses the REST API. If a remote JMX port is exposed in the Hadoop cluster, then you can also configure the hadoopjmx monitor to collect additional metrics about the Hadoop cluster.

This integration is only available on Kubernetes and Linux.

Benefits 🔗

After you configure the integration, you can access these features:

Installation 🔗

Follow these steps to deploy this integration:

  1. Deploy the Splunk Distribution of OpenTelemetry Collector to your host or container platform:

  2. Configure the monitor, as described in the Configuration section.

  3. Restart the Splunk Distribution of OpenTelemetry Collector.

Configuration 🔗

To use this integration of a Smart Agent monitor with the Collector:

  1. Include the Smart Agent receiver in your configuration file.

  2. Add the monitor type to the Collector configuration, both in the receiver and pipelines sections.

Example 🔗

To activate this integration, add the following to your Collector configuration:

receivers:
  smartagent/hadoop:
    type: collectd/hadoop
    ...  # Additional config

Next, add the monitor to the service.pipelines.metrics.receivers section of your configuration file:

service:
  pipelines:
    metrics:
      receivers: [smartagent/hadoop]

Configuration options 🔗

The following table shows the configuration options for this integration:

Option

Required

Type

Description

pythonBinary

no

string

Path to a python binary that should be used to execute the

Python code. If not set, a built-in runtime will be used. Can include arguments to the binary as well.

host

yes

string

Resource Manager Hostname

port

yes

integer

Resource Manager Port

verbose

no

bool

Log verbose information about the plugin (default:

false)

Metrics 🔗

The following metrics are available for this integration:

Notes 🔗

  • To learn more about the available in Splunk Observability Cloud see Metric types

  • In host-based subscription plans, default metrics are those metrics included in host-based subscriptions in Splunk Observability Cloud, such as host, container, or bundled metrics. Custom metrics are not provided by default and might be subject to charges. See Metric categories for more information.

  • In MTS-based subscription plans, all metrics are custom.

  • To add additional metrics, see how to configure extraMetrics in Add additional metrics

Troubleshooting 🔗

If you are a Splunk Observability Cloud customer and are not able to see your data in Splunk Observability Cloud, you can get help in the following ways.

Available to Splunk Observability Cloud customers

Available to prospective customers and free trial users

  • Ask a question and get answers through community support at Splunk Answers .

  • Join the Splunk #observability user group Slack channel to communicate with customers, partners, and Splunk employees worldwide. To join, see Chat groups in the Get Started with Splunk Community manual.

To learn about even more support options, see Splunk Customer Success .

This page was last updated on May 28, 2024.