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Can a context filter cause a performance problem?
If the context filter selects everything or doesn’t sufficiently trim down the underlying data to a more manageable set in the new context table, it can create big performance problems. Let’s take the example above with our insurance company and our customer data source of 50 million rows.
What are the different types of performance problems?
Types of Performance Problems 1 Poor prioritizing, timing, scheduling 2 Lost time Lateness, absenteeism, leaving without permission. Excessive visiting, phone use, break time, use of the Internet. Misuse of sick leave. 3 Slow response to work requests, untimely completion of assignments. 4 Preventable accidents.
Is there a way to filter a list?
You could also divide your collection up into multiple lists and allow the user to pick which one they want. That will mean you filter once and they can switch back and forth really quickly. Store a dictionary of search id or whatever as key and your list as value. .
How are the filters in a visualization calculated?
The filters that you add to your visualization are each independently calculated, regardless of what the other filters are doing. You can add “context” to your filters by adding a context filter. Once you create a context filter, then all other filters are calculated using this new data set.
When to use dependent filter in context filter?
If the data source is very large, you can set a context filter to include only breakfast products. Then you can create a top 10 filter by profit as a dependent filter, which would process only the data that passes through the context filter.
Why do you need a second context filter?
However, there may be scenarios where you might want the second filter to process only the records returned by the first filter. In such a case, the second filter is known as dependent filters because they process only the data that passes through the context filter. Context Filters serve two main purposes.
Where do you find context filters in tableau?
Context filters: Appear at the top of the Filters shelf. Are identified by a gray color on the Filters shelf. Cannot be rearranged on the shelf. As shown below, the Ship Mode dimension is set to be the context for a view.