to improve the performance of aggregator we use sorted input option and use sorter t/r befor aggregator. But here we are increasing one more cache in our mapping i.e; sorter. So how can u convince that you are increasing the performance.?

Answer Posted / james

Sorted input in an aggregator transformation does not use
cache instead it uses the memory. Reading from memory is
faster than reading from cache.

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain direct and indirect flat file loading (source file type) - informatica

821


What are the types of schemas we have in data warehouse and what are the difference between them?

517


What is mapplet in informatica?

588


What are batches?

617


Explain the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

546






What is the benefit of session partitioning?

589


How to display session logs based upon particular dates. If I want to display session logs for 1 week from a particular date how can I do it without using unix. ?

1599


What is the sequence generator transformation in informatica?

609


How are indexes created after completing the load process?

983


What are the issues you have faced in your project? How did you overcome those issues?

1908


What is the function of look up transformation?

645


How to go to the older version for a mapping?

597


What is the use of source qualifier?

664


What is sequence generator transformation in informatica?

616


what is the size of your data warehousing?

1669