How can I improve the performance of my request?

Step-by-step guide

This is extremely useful if you wish to download big amounts of data.

Efficiency tips:
Smaller Nr of tapes (a request accesses) means better request efficiency.
Requests for data which is online in general go faster
Ideally requests should not access more than 1 tape.
Please read the retrieval efficiency pages
Please also read why MARS activity is important