GeekInterview.com
   Home |  Tech FAQ  |   Interview Questions |  Placement Papers |  Tech Articles |  Learn |  Freelance Projects |  Online Testing |  Geeks Talk |  Job Postings |  Knowledge Base | Site Search |  Add/Ask Question

  GeekInterview.com  >  Interview Questions  >  Data Warehousing  >  Abinitio

 Print  |  
Question:  Under what circumstances join should be used instead on lookup.



November 11, 2007 07:37:10 #3
 anji_abinitio   Member Since: Visitor    Total Comments: N/A 

RE: Under what circumstances join should be used inste...
 
In the case of the join, the memory issue can be addressed by changing the maxcore limit, which, if exceeded, is handled by writing files to disk. While this may be costly, it makes graph fairly robust. In case of lookup, if the memory exceeded, the graph fails due to lack of swap space.
     

 

Back To Question