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Groups > comp.lang.java.programmer > #13567

Re: Pattern suggestion

Date 2012-04-15 22:01 -0400
From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: Pattern suggestion
References <jmel0t$jrh$1@news2.carnet.hr> <jmeor9$n3o$1@dont-email.me>
Message-ID <4f8b7d7e$0$293$14726298@news.sunsite.dk> (permalink)
Organization SunSITE.dk - Supporting Open source

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On 4/15/2012 11:17 AM, markspace wrote:
> On 4/15/2012 7:11 AM, FrenKy wrote:
>> So I need "1 driver to many workers" pattern where workers are
>> multithreaded.
>>
>> I have a solution now based on Observable/Observer that I use (and it
>> works) but I'm not sure if it is the best way.
>
> Map-Reduce is the current standard pattern for big searches like these,
> I believe. Check Google and Wikipedia to get started. I also recommend
> O'Reilly's "Hadoop" book.
>
> There's is also Fork-Join, an older pattern that's a little more labor
> intensive in terms of code, imo.

Even though both are about parallellizing a workload, then I
think that those are mostly used for different purposes.

Hadoop is great for processing TB/PB residing on disk
on multiple computers.

Fork Join is great for processing MB/GB residing in
memory on multiple cores on the same computer.

Arne

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Thread

Pattern suggestion FrenKy <frenky__nn@gmail.com> - 2012-04-15 16:11 +0200
  Re: Pattern suggestion Rui Maciel <rui.maciel@gmail.com> - 2012-04-15 16:04 +0100
    Re: Pattern suggestion Lew <noone@lewscanon.com> - 2012-04-15 08:15 -0700
  Re: Pattern suggestion markspace <-@.> - 2012-04-15 08:17 -0700
    Re: Pattern suggestion Arne Vajhøj <arne@vajhoej.dk> - 2012-04-15 22:01 -0400
  Re: Pattern suggestion Jan Burse <janburse@fastmail.fm> - 2012-04-15 17:41 +0200
    Re: Pattern suggestion Jan Burse <janburse@fastmail.fm> - 2012-04-16 00:37 +0200
  Re: Pattern suggestion Patricia Shanahan <pats@acm.org> - 2012-04-15 09:17 -0700
    Re: Pattern suggestion Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-04-15 13:57 -0300
      Re: Pattern suggestion Martin Gregorie <martin@address-in-sig.invalid> - 2012-04-15 19:56 +0000
        Re: Pattern suggestion Robert Klemme <shortcutter@googlemail.com> - 2012-04-16 09:55 +0200
  Re: Pattern suggestion Arne Vajhøj <arne@vajhoej.dk> - 2012-04-15 21:58 -0400

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