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Asked: 2011-12-14 15:09:52 +0800 CST

Is there a performance difference between using local drives and equivalent UNC paths?

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These two paths are equal:

\\myhostname\c$\temp
c:\temp

Is there a performance difference between them? Specifically, long sequential reads and writes.

windows performance unc

1 Answers

  1. There is a minimal network enumeration and name resolution but it's not per transaction. There would be no noticable performance difference between the 2.

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