Ian Skinner wrote:
> Did I get your attention? Luckily these are read-only queries, but still!


I forgot to mention an important consideration is to somehow control and 
mitigate query requests so that users don't tie up the database with a 
task taking hours and hours to process.

It is already a batch processing system, where the users do not get the 
response immediately, but rather it is submitted to a que and then the 
user receives an e-mail with a ftp link to the resulting output files 
when their request is completed.  But, more and more frequently a 
request is to large and|or complex and it ties up the que so that 
nothing can be done until such a time as a DBA can get in there and kill 
the process that is jamming up the system.

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