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Message from discussion Three years of a Scala lust affair, the blog post
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David Pollak  
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 More options Nov 21 2009, 9:08 pm
From: David Pollak <feeder.of.the.be...@gmail.com>
Date: Sat, 21 Nov 2009 18:08:47 -0800
Local: Sat, Nov 21 2009 9:08 pm
Subject: Re: [cufp] Re: Three years of a Scala lust affair, the blog post
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On Sat, Nov 21, 2009 at 3:17 PM, tivrfoa <lescoutinh...@gmail.com> wrote:
> I don't know Scala, but it must be a great language because many
> important people are saying good things about it  (http://
> www.infoq.com/news/2009/07/scala-replace-java) and important companies
> like Twitter, LinkedIn and eBay are using it.

> In this video
> http://blog.linkedin.com/2009/06/15/video-linkedin-scala-tech-talk/,
> Martin (Scala creator) says that he will concentrated his efforts, so
> in 5 years Scala will be the language of choice for concurrency. This
> is an awesome thing.
> In this same talk, a Twitter engineer says that Erlang is not suited
> to their environment, and the illustrious David Pollak (Lift creator
> =) says that if Twitter uses Lift they would not need to worry about
> their scale infrastructure. xD

I did not say that.

The folks at Twitter (some of who are Lift committers) do in fact use Scala.

My exact quote (during a round-table at LinkedIn) is that a Lift application
could handle 1/4 of Twitter's then-current traffic on a single server.
 Specifically, Lift-based applications can handle > 2K dynamically generated
pages per second on a quad-core Intel machine.  This compares with < 100
pages per second on a similar machine running Rails.

Twitter's scaling issues are not related, however, to the front end, but the
back end.  Twitter's initial design put all the logic (and pressure) into
the database.  There are only so many queries an RDBMS can do in a second.
Twitter has over the last 18 months implemented a back end that does not put
all of the timeline logic into the database.  This is independent of the web
front end.

> I don't know if I learn Erlang or Scala first. Both seems to have a
> great future (and already have a great present =).

> On Nov 20, 6:21 pm, David Pollak <feeder.of.the.be...@gmail.com>
> wrote:
> > Folks,

> > I've been doing Scala for three years as of today.  I wrote a blog post
> > about it:
> http://blog.lostlake.org/index.php?/archives/97-Happy-3rd-Anniversay....

> > There are a lot of people to thank for making Scala the great thing it is
> > today.  Martin has led his EPFL team to bridge academia and commercial,
> > vigorous debating and politeness, functional and object oriented to bring
> us
> > Scala and the Scala community.

> > It's been 3 years for me and I can't think of a better language or a
> better
> > community than what Scala has evolved into.

> > Thanks,

> > David

> > --
> > Lift, the simply functional web frameworkhttp://liftweb.net
> > Beginning Scalahttp://www.apress.com/book/view/1430219890
> > Follow me:http://twitter.com/dpp
> > Surf the harmonics

> --

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--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics

 
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