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From Les Hazlewood <>
Subject Re: svn commit: r1131059 - in /shiro/trunk/core/src: main/java/org/apache/shiro/crypto/hash/ test/java/org/apache/shiro/crypto/hash/ test/java/org/apache/shiro/crypto/hash/
Date Tue, 07 Jun 2011 18:41:02 GMT
On Tue, Jun 7, 2011 at 9:36 AM, Phil Steitz <> wrote:
> need to tune for load, etc.; but slowing down logons via cpu
> spinning is a terrible thing to do to web applications that
> experience any kind of load.  I wonder if there is a way to have
> just one of these two evils - either cpu drain or connection /
> throughput drag.  IIUC the problem the slowing is trying to solve,
> that could be accomplished by forcing some kind of time dependency
> in the hashing algorithm itself without cpu drain.  Is that possible
> somehow?

Hi Phil,

My response covered a bit, so I decided to break it out into a blog entry:

Thoughts/comments welcome!


Les Hazlewood
CTO, Katasoft | | 888.391.5282
katasoft blog:
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