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Performance

To access the real-time server performance view, click the cluster name in the upper left corner and select the Performance tab.

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The Performance tab displays various stats:

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Chart/TableDescription
OperationsDisplays the number of operations as reported by mongostat. For a description of the fields, see mongostat.
Read & WriteDisplays the number of active reads, queued reads, active writes, queued writes as reported by mongostat. For a description of the fields, see mongostat.
NetworkDisplays the number of connections as reported by mongostat. For a description of the fields, see mongostat.
MemoryDisplays 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 OperationsDisplays 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 kill the operation, click on the operation.
Important With Circle IconCreated with Sketch.Important
Required Permissions

On deployments which require authentication, to kill operations not owned by the user, the user must have access that includes the killop privilege action.

You can kill slow operations from the Performance Tab.

  1. Click the query you would like to kill in the Slowest Operations section.


    Slow Operations section

  2. In the Operation Details view, click Kill Op.


    Kill Op button

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.

The Performance tab is not available if you are connected to a Data Lake.

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