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Couple changes proposed here:

Rollin Thomas requested to merge can-you-develop-against-global-common into master
  • Doesn't the caching dramatically decrease (not increase) the read time?
  • The comments about the 5 minute caching and that /global/common isn't recommended for active development stuff are problematic. At least one user has cited this statement as a reason why he installs code he's actively testing in $SCRATCH.

If we have to keep that here that's OK, but I've just done some testing and I saw no latency at all between creating a file from a login node in /global/common/mpccc and then seeing it appear on a compute node (less than a second). I might be misunderstanding what my test is showing me though.

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