what is performance tunning in BO in report level& designer
level?
- 1 Answers
- 5796 Views
- IBM, I also Faced
- E-Mail Answers
Answer Posted / guest
Analyze Report SQL for unnecessary Joins
1. First get the list of reports which are performing low
and get their SQL.
2. Analyze the report SQL for joins. There could be
unnecessary join which is causing query to perform low.
make a change in your universe accordingly to generate
query with optimized joins.
Analyze report Query for Indexes.
1. Get the report SQL , check the where clause
2. Check if indexes are user properly in SQL and also they
exist in database
Use Aggregates for measures
1. Use Aggregate aware for your measure objects to use
summary tables form Database
Use Partitions for high volume fact tables
1. Partitioning the fact table can boost your query
performance.
Array Fetch Size
1. Play with Universe options for setting up optimal value
of Array fetch Size parameter.
Universe Analysis for Shortcut joins
1. Analyze your reports and universe for possible use of
shortcut joins as they play little but important role in
performance.
Index Awareness
1. Try using Index Awareness from Universe side to generate
optimized query.
Universe Cleaning.
1. Make sure LOV is disabled measure objects.
2. Make sure LOV is disable for un-necessary dimension
objects and detail objects.
JOIN_BY_SQL
1. Try evaluating JOIN_BY_SQL universe parameter
| Is This Answer Correct ? | 10 Yes | 0 No |
Post New Answer View All Answers
How can we do load testing for webi reports? (Example if I have have to test one webi report for concurrent users refreshing report at one time)?
Explain when to use local filter and when to use global filter?
what is the difference between add link and include link in BO? Explain me with a scenario when to go for add link and when to go for include link?
can anybody tell me about complicated object you have created
How were the reports scheduled and how to resolve unexecuted documents?
How we drill up week to month?
what will be the contents for a functional requirements specifications
Its regarding Javascript coding for customization in BI4 reports. We need to have all the options disabled in the report except the option to Export(save the report in computer in Excel/pdf formats). I am able to hide TopBar,TabBar,Left Navigation etc but I need "Export" option to be displayed to the users in Read mode. Can this selective "hiding" be achieved?
Can we Save (save as) WEBI Doc as DESKI?
How to Explain about BO projects in interviews?(in Banking,insurance,Manufacturing domains)
Explain what task is 98% of the required work of a business analyst?
how many reports have u created ? explain a few.
Can any one say me how i can integrate 3 or more analytics like radio bottons,line chart,pie chart while designing a dash board in xcelsius and i am also facing problem to show one after another values in the same chat at a time..... Please help me out for this....
Explain is there any other repository domains rather than universe, security, document?
Can anybody tell me what are the tuning problems?
