cartodb-4.42/lib/assets/javascripts/cdb/docs/guides/09-metrics.md

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2024-04-06 13:25:13 +08:00
## cartodb.js metrics
these are the metrics collected by cartodb.js. Can be printed in the browser opening a console and
executing
```
cartodb.core.Profiler.print_stats()
```
### layergroup stats
- **cartodb-js.layergroup.[type].time**: type can be get or post, depending on how the layergroup was fetch. It contains the time taken to fetch layergroup (including network time)
- **cartodb-js.layergroup.[type].error**: number of errors when fetching layergroup
**cartodb-js.layergroup.attributes.time**: time to fetch attributes (for example when an
infowindow is open)
**cartodb-js.layergroup.attributes.error**: fetching errors
**cartodb-js.named_map.attributes.time**: same than layergroup.attributes but for named maps
**cartodb-js.named_map.attributes.error**: fetching errors
### tiles stats
- **cartodb-js.tile.png.load.time**: time taken to load a *png* tile
- **cartodb-js.tile.png.error**: number of errors loading a png tile
### torque
- **torque.provider.windshaft.points**: number of points per tile
- **torque.provider.windshaft.process_time**: time used to process a tile. It does NOT include fetch
time
- **torque.provider.windshaft.tile.fetch**: time to fetch a torque tile
- **torque.provider.windshaft.tile.error**: failed tiles
- **torque.provider.windshaft.layergroup.time**: time to instanciate the map for torque tiles
- **torque.provider.windshaft.layergroup.error**:
- **torque.renderer.point.generateSprite**: time taken to generate a sprite based on css and point
properties
- **torque.renderer.point.renderLayers**: time to render all the layers for a tile
- **torque.renderer.point.renderTile**: time to render a tile