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How to Improve Performance of graphs in Ab initio?
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Answer Posted / ananya
There are many ways to improve the performance of the
graph. It also depends on a particular graph, the
components used in it.
In general the following tips can be used for improving
performance:
1> Try to use partitioning in the graph
2> try minimising the number of components
3> Maintain lookups for better effeciency
4> Components like join/ rollup should have the option
Input must be sorted, if they are placed after a sort
component.
5> If component have In memory: Input need not be sorted
option selected, use the MAX_CORE parameter value
efeciently.
6> Use phasing of a graph effeciently.
7> Ensure that all the graphs where RDBMS tables are used
as input, the join condition is on indexed columns.
8> Try to perform the sort or aggregation operation of data
in the source tables at the database server itself, instead
of using it in AbInitio.
| Is This Answer Correct ? | 26 Yes | 1 No |
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