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View Real-Time Performance

On this page

  • Limitations
  • Server Stats
  • Stop Slow Operations
  • Pause the Display

To access the real-time server performance view:

  1. Connect to a deployment.

  2. Click Performance in the left pane.

The Performance tab displays various stats:

Performance statistics example
click to enlarge
Chart/Table
Description
Operations
Displays the number of operations as reported by mongostat. For a description of the fields, see mongostat.
Read & Write
Displays the number of active reads, queued reads, active writes, queued writes as reported by mongostat. For a description of the fields, see mongostat.
Network
Displays the number of connections as reported by mongostat. For a description of the fields, see mongostat.
Memory
Displays the memory stats as reported by mongostat. For a description of the fields, see mongostat.
Hottest Collections

Displays the collections with the most activities as reported by mongotop.

The collections correspond to a given moment in the charts; i.e. as you move over the charts, the corresponding collections are highlighted/displayed in the table.

Slowest Operations
Displays the slowest operations as reported by db.currentOp(). The operations correspond to a given moment in the charts; i.e. as you move over the charts, the corresponding slowest operations are displayed in the table. To view the details of a slow operation or stop the operation, click on the operation.

You can stop slow operations from the Performance Tab.

Important

Required Permissions

On deployments that require authentication, to stop operations that you don't own, you must have the killop privilege action.

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The Pause button above the graph display pauses the update of the displays only. Pausing the performance tab does not impact the collection of the underlying data. To restart the display updates, click Play.

Next to the Pause button is a clock which shows the current time while the graphs are updating. If the display is paused, the clock shows the time at which the pause began.

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