Comment #28 on issue 10727 by [email protected]: Very heavy cache-access  
makes for serious performance degradation
http://code.google.com/p/chromium/issues/detail?id=10727

Yes, what you did should have been fine, and the result should not be  
affected by the
lack of responsiveness that your system experience.

The problem is that this particular measurement is taken only when the  
cache is going
to evict entries so as a prerequisite the cache has to be full (hence the  
request to
use the biggest saved cache). At that time, I'm trying to see if the cache  
is already
busy to prevent adding extra load, and I'm also logging that load.

A full cache (current vs max size from the stats) should probably feel the  
need to
evict something when asked to load 40 tabs - unless everything is stored in  
the cache
:(. I just wanted to see what was the number for your system, but it's not  
that big
of a deal because we already know that the system is loaded by the time it  
takes to
do stuff.

I've been too busy with other stuff, but at some point we'll implement  
request throttling to avoid most of this issue.

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