My experience is that the only way to get really high performance with
counter-like objects is to have one per thread and combine them on read.




On Mon, Nov 4, 2013 at 8:49 AM, Romain Manni-Bucau <rmannibu...@gmail.com>wrote:

> Hi,
>
> ATM sirona (a java monitoring library in incubator) relies a lot on
> Summary stats object from [math3] but it needed a lock to ensure
> consistency. I know there is a synchronized version but this one
> scales less then the locked one.
>
> My question is quite simple then: will [math] add an implementation
> with thread safety guarantee and good performances? I think for
> instance to the LongAdder of Doug Lea which could be used as a good
> base.
>
> Romain Manni-Bucau
> Twitter: @rmannibucau
> Blog: http://rmannibucau.wordpress.com/
> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> Github: https://github.com/rmannibucau
>
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