How to Improve Performance of graphs in Ab initio?
Answer Posted / mahendra garewal
Hi,
Performance of graphs can be improved by employing the
following methods.
1:use data parallelism(but efficienty).
2:try to use less no of phases in graphs.
3:use component parallelism.
4:use component folding.
5:always use the oracle tuned query inside the input table
component this will give huge performance improvement.
6:Try to use as less as possible the components which does
not allows the pipeline parallelism.
7:Do not use huge lookups.
8:if data is not huge always use in memory sort option.
Is This Answer Correct ? | 15 Yes | 1 No |
Post New Answer View All Answers
What is a rollup component?
What the difference between “look-up” file and “look is up” in abinitio?
Difference between output_index and output_indexes in reformat
State the relation between EME, GDE and Co-operating system?
How to replace last 4 digits of an input column with XXXX given input column has 12 digits?
Have you used rollup component? Describe how.
How does the bre work with the co>operating system?
How to convert a single column values 1 2 3 4 to single row of 4 columns ? And vice-versa
What a local lookup is?
What is broadcasting and replicate?
Can anyone give me an exaple of realtime start script in the graph?
What do you mean by a transaction file and how it is different from that of a sort file?
Is data warehousing different from data mining?
What are the key elements of a data processing system?
What is m_dump?