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From "Aaron T. Myers" <...@cloudera.com>
Subject Re: fs cache giving me headaches
Date Tue, 07 Aug 2012 15:53:14 GMT
On Tue, Aug 7, 2012 at 11:44 AM, Koert Kuipers <koert@tresata.com> wrote:

> I do create new ugis, and i do not hand them off to threads. However i
> assumed that FileSystem.get(conf) would fetch from the filesystem cache
> based on the ugi (based on equality that is, not identity). So my
> assumption was that if different threads create ugis that are equal, they
> would fetch the same FileSystem from the cache. Is that wrong?


Yes, UGIs are compared using identity, not value equality, for exactly this

Aaron T. Myers
Software Engineer, Cloudera

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