>> Seems there is a thread you're running with your irb session that
>> might be spawning a lot.
>>
> 
> It could be associated with rb-readline, but under my system it
> doesn't spawn more than once:

Interesting. I think that's it...

possibly from this line:

#0:/home/rdp/installs/ruby-1.9.1-p243_gc/lib/ruby/site_ruby/1.9.1/rbreadline.rb:6834:Kernel:>:

@readline_echoing_p = (`stty -a`.scan(/-*echo\b/).first == 'echo')

Thanks for the tip!
-r
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