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Cache

See the data that Scops keeps in memory so that pages open fast, and switch off layers to save memory.

Settings, Cache with the total size, a bar split by group, and the list of layers

Before you begin

  • You need Manage Settings.
  • The cache is a copy of the repository. When you switch a layer off, you lose no data: the pages that use it become slower.

Switch a layer off

  1. Open Settings › Cache.

  2. Click the switch of the layer. Scops frees its memory, and the pages read the repository.

The switch stays after a restart. The Cache switch at the top right turns off all seven layers. The other layers are always kept.

LayerKeepsWhen it is off
Active sessions, 5-minute8 dThe one-day Dashboard, Radar and Ask Scops have no 5-minute history.
Active sessions, hourly waits32 dThe load verdict of Metrics has no usual range.
Active sessions, hourly32 dThe day and week Dashboard and the Insights chart read the repository.
Active sessions, daily32 dEach month view reads the repository.
Performance hourly32 dThe day and week charts of Metrics read the repository.
SizingLatest onlyScops makes the Sizing page each time it opens. The Overview does not list the segments that grow.
Change events15 dThe pages read the changes from the repository.

To keep one database out of the cache, turn off its Cache switch in Policies › Monitoring.

See what fills a layer

The details of the Active sessions, hourly layer, with its job, the pages that use it and the size for each database

Click the row of a layer. The panel shows the job that fills it, the pages that use it and the share of each database.

Measure the memory of ScopsApi

  1. Click Memory Diagnostics, the last row of the list.

  2. Click a button of the table below.

  3. For a support request, click the copy button. It copies the results as JSON.

ButtonWhat it does
Measure, Measure Every RowMeasures the cache by object and by database. Measure Every Row is exact, but can take some seconds.
Process, Allocation RateThe memory counters of ScopsApi, and the memory that it takes and releases in 10 seconds.
Memory by TypeThe memory of ScopsApi by object type. It takes 30 to 120 seconds.
Free Memory NowA full garbage collection. ScopsApi pauses while it runs.
JobsThe jobs that fill the layers. MonitoringWhich databases are cached.

Updated October 30, 2026