1
Q
Caching
- Query cache
- Remembers queries issued by reports components (i.e. charts)
- When performing same query, pulls from cache
- If query cache cannot help, go to prefetch cache
- Cannot be turned of
- Prefetch cache
- ‘Smart cache’: predicts what ‘might’ be requested
- If prefetch cache cannot serve data, pulls from live data set
- Only active for data sources that use owner’s credentials for data access
- Can be turned off
- When to turn caching off:
- Need to view ‘fresh data’ from rapidly changing data set
A
