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Performance

Not Available in Compass Community Edition

Performance Tab

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

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Server Stats

The Performance tab displays various stats:

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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 as reported by db.currentOp(), click on the operation.

Pause the Display

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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