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How to Monitor Your MongoDB Server Status

In this post, we’ll show you how to monitor the status of your MongoDB servers using Studio 3T’s Server Status Charts feature.

Introduction

Studio 3T’s Server Status Charts show real-time updates of what’s happening on a MongoDB instance.

This makes it easier to monitor particular things of interest on production, development, test, or local instances.

Studio 3T's Real-Time Server Operations Charts feature

Open Server Status Charts

You can open a Server Status Charts tab by right-clicking on a connection (or database, or collection) and selecting Server Status Charts from the Server Info menu:

Right-click on a MongoDB collection or database and choose Server Info

Choose your charts

You can customize which charts are shown by clicking on Select Charts in the upper right hand side corner of the Server Status Charts tab:

You can customize which charts you want to appear

For example, if we wanted to focus on Operation Counts, Current Connections, and Current Network Traffic, we would select only those, and the charts will be laid out intelligently to accommodate them:

You can choose to only show the Server Status Charts relevant to you/your team

What the chart information means

In this section, we’ll explain the information shown on each chart.

Note that the information displayed in the charts may be:

Cumulative
Charts show information since the start of a particular point until the present moment, e.g. all events of a particular type since the database started
Per Update Period
Point in Time
Charts show information about a particular event as it was at the point in time that the MongoDB server status was requested from the database
– where the charts show information since the start of a particular point until the present moment, e.g. all events of a particular type since the database started.

The table below details each of the MongoDB server status charts:

Operation Counts
Per Update Period
The number of database operations by type during the update period.
Active Clients
Point in Time
The number of the active client connections performing read and write operations.
Current Queue
Point in Time
The number of operations that are currently queued and waiting for the read or write lock.
Current Connections
Point in Time / Per Update Period
The number of incoming connections from clients to the database server.
‘In use’ and ‘Available’ report the point in time values, ‘Total created’ shows values per update period.
Current Network Requests
Per Update Period
The number of distinct requests that the server has received during the update period.
Current Network Traffic
Per Update Period
The number of bytes that reflects the amount of network traffic received by and sent from this database during the update period.
Total Connections Created
Cumulative
Count of all incoming connections created to the server. This number includes connections that have since closed.
Total Network Requests
Cumulative
The total number of distinct requests that the server has received.
Total Network Traffic
Cumulative
The total number of bytes that reflects the amount of network traffic received by and sent from this database.

More detailed information about the counters the chart data are based upon can be found in the MongoDB documentation.


Check out these other Studio 3T tutorials:

Updated on November 13, 2018

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