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Complex report reports and reports that are accessed regularly will benefit the most from the '''Enable Caching''' option.
:[[Image:Repcache.png]]
* Reports can also be '''Cached By User''' , when appropriate , such as when the report includes [[:Category:Criteria|criteria ]] to filter based on the user that opens the report (i.e. =@userid@).:'''Note:''' you must select both '''Enable Caching''' and '''Cache by User''' to cache by user.
* Enter an appropriate '''Cache Life Span''' in minutes.
Rather than creating the report each time it is run, caching stores the results for the duration specified in the '''Cache Life Span''' field.:* The first time a report is viewed , it will create it be created by querying the database and show live datawill be displayed. * Anyone viewing the report after this, within the life span specified, will see a snapshot of the report from the cache. Changes to underlying data will '''not''' be reflected in the report during the '''Cache Life Span'''.
* The report will be updated once the life span has expired, and any changes to the underlying data will then be reflected.
