> Hi,

> Node (libeio) has only 4 [1] background threads (per process)
> for file I/O, but Vert.x has 20 [2] (per instance).

> [1]
> https://github.com/joyent/node/blob/v0.6.17/deps/uv/src/unix/eio/eio....
> [2]
> https://github.com/purplefox/vert.x/blob/v1.0.0.final/src/main/java/o...

> On Wed, 9 May 2012 21:56:26 -0400, Matt <hel...@gmail.com> wrote:

> > No.

> > Though I imagine Isaacs is wondering where the file read performance
> > difference is. My gut feeling is that Java maybe uses mmap under the
> hood,
> > or some other performance trick. It would be much more obvious if there
> > were strace output. There's also other probable wins, like using a newer
> V8
> > that optimises non-VM functions (see recent thread about threads-a-gogo
> > being faster even with just one thread).

> > On Wed, May 9, 2012 at 9:32 PM, Node42 <liu.ke...@gmail.com> wrote:

> > > <a href="

> http://vertxproject.wordpress.com/2012/05/09/vert-x-vs-node-js-simple...">Benchmark

> > > </a>

> > > <a href="http://news.ycombinator.com/item?id=3948727">Hacker News
> > > Discussion</a>

> > > <a href="http://news.ycombinator.com/item?id=3927891">Hacker News
> > > Discussion 2</a>

> > > <a href="http://vertx.io/">Vert.x</a>

> > > <a href="http://www.infoq.com/news/2012/05/vertx">InforQ article</a>

> > > <a href="

> http://fbflex.wordpress.com/2012/05/02/running-vert-x-applications-on...">Running

> > > Vert.x Applications on Heroku</a>

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