MongoDB Server Metrics

Ship your MongoDB Server Metrics via Telegraf to your Logit.io Stack

Configure Telegraf to ship MongoDB Server metrics to your Logit.io stacks via Logstash.

Install Integration

Please click on the Install Integration button to configure your stack for this source.

Install Telegraf

This integration allows you to configure a Telegraf agent to send your metrics, in multiple formats, to Logit.io.

Choose the installation method for your operating system:

When you paste the command below into Powershell it will download the Telegraf zip file. Once that is complete, press Enter again and the zip file will be extracted into C:\Program Files\InfluxData\telegraf\telegraf-1.31.2.

wget https://dl.influxdata.com/telegraf/releases/telegraf-1.31.2_windows_amd64.zip -UseBasicParsing -OutFile telegraf-1.31.2_windows_amd64.zip 
Expand-Archive .\telegraf-1.31.2_windows_amd64.zip -DestinationPath 'C:\Program Files\InfluxData\telegraf'

Configure the Telegraf input plugin

The configuration file below is pre-configured to scrape the system metrics from your hosts, add the following code to the configuration file /etc/telegraf/telegraf.conf from the previous step.

# Read metrics from one or many MongoDB servers
[[inputs.mongodb]]
  ## An array of URLs of the form:
  ##   "mongodb://" [user ":" pass "@"] host [ ":" port]
  ## For example:
  ##   mongodb://user:[email protected]:27017,
  ##   mongodb://10.10.3.33:18832,
  ##
  ## If connecting to a cluster, users must include the "?connect=direct" in
  ## the URL to ensure that the connection goes directly to the specified node
  ## and not have all connections passed to the master node.
  servers = ["mongodb://127.0.0.1:27017/?connect=direct"]
 
  ## When true, collect cluster status.
  ## Note that the query that counts jumbo chunks triggers a COLLSCAN, which
  ## may have an impact on performance.
    gather_cluster_status = true
 
  ## When true, collect per database stats
    gather_perdb_stats = true
 
  ## When true, collect per collection stats
    gather_col_stats = true
 
  ## When true, collect usage statistics for each collection
  ## (insert, update, queries, remove, getmore, commands etc...).
  # gather_top_stat = false
 
  ## List of db where collections stats are collected
  ## If empty, all db are concerned
  # col_stats_dbs = ["local"]
 
  ## Optional TLS Config
  # tls_ca = "/etc/telegraf/ca.pem"
  # tls_cert = "/etc/telegraf/cert.pem"
  # tls_key = "/etc/telegraf/key.pem"
  ## Use TLS but skip chain & host verification
  # insecure_skip_verify = false
 
  ## Specifies plugin behavior regarding disconnected servers
  ## Available choices :
  ##   - error: telegraf will return an error on startup if one the servers is unreachable
  ##   - skip: telegraf will skip unreachable servers on both startup and gather
  # disconnected_servers_behavior = "error"

Read more about how to configure data scraping and configuration options for MongoDB (opens in a new tab)

Configure The Output plugin

Once you have generated the configuration file, you need to set up the output plug-in to allow Telegraf to transmit your data to Logit.io in Prometheus format. This can be accomplished by incorporating the following code into your configuration file:

[[outputs.http]]
  url = "https://@metricsUsername:@metricsPassword@@metrics_id-vm.logit.io:@vmAgentPort/api/v1/write"
  data_format = "prometheusremotewrite"
 
  [outputs.http.headers]
    Content-Type = "application/x-protobuf"
    Content-Encoding = "snappy"

Start Telegraf

From the location where Telegraf was installed (C:\Program Files\InfluxData\telegraf\telegraf-1.31.2) run the program providing the chosen configuration file as a parameter:

.\telegraf.exe --config telegraf-demo.conf

Once Telegraf is running you should see output similar to the following, which confirms the inputs, output and basic configuration the application has been started with: Powershell Telegraf information

View your metrics

Data should now have been sent to your Stack.

View My Data

If you don't see take a look at How to diagnose no data in Stack below for how to diagnose common issues.

How to diagnose no data in Stack

If you don't see data appearing in your Stack after following the steps, visit the Help Centre guide for steps to diagnose no data appearing in your Stack or Chat to support now.

Telegraf MongoDB Server Overview

For effective monitoring and analysis of MongoDB metrics in a distributed network, companies require a reliable and robust solution for managing these metrics. Telegraf, an open-source server agent known for its data collection capabilities, can aggregate MongoDB metrics from multiple sources, including active MongoDB instances, databases, and other related applications.

Telegraf provides a wide array of input plugins, enabling users to capture metrics from different facets like CPU utilization, memory consumption, network operations, among others. To preserve and analyze these collected metrics, firms can utilize Prometheus, an open-source tool famed for its monitoring and alerting capabilities. Prometheus also offers a flexible querying language and striking data visualization attributes.

By configuring Telegraf to produce metrics in the Prometheus format and using Prometheus to pull these metrics from the Telegraf server, businesses can efficiently export MongoDB metrics from Telegraf to Prometheus. This procedure involves setting up Telegraf to compile MongoDB metrics, formatting them in Prometheus's style, organizing Prometheus to extract these metrics from the Telegraf server, and visually interpreting the data leveraging Prometheus's dynamic querying and graphical visualization features.

Implementing Telegraf to transmit MongoDB metrics to Prometheus presents a dependable and effective metrics management solution for distributed networks. It allows organizations to glean insights into MongoDB performance, optimize their dispersed MongoDB instances, and swiftly address any arising issues.

If you need any further assistance with shipping your log data to Logit.io we're here to help you get started. Feel free to get in contact with our support team by sending us a message via live chat & we'll be happy to assist.

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