[prev in list] [next in list] [prev in thread] [next in thread]
List: ruby-talk
Subject: Re: Some interesting criticisms of rails
From: "Zed A. Shaw" <zedshaw () zedshaw ! com>
Date: 2005-09-17 17:17:24
Message-ID: 20050917131615.6e39fdac.zedshaw () zedshaw ! com
[Download RAW message or body]
Robert, where's the logical proof that distributed locking to control access to a shared resource is always faster than using a centralized server? I'm curious if one exists.
On Sat, 17 Sep 2005 18:51:35 +0900
"Robert Klemme" <bob.news@gmx.net> wrote:
> Zed A. Shaw <zedshaw@zedshaw.com> wrote:
> First of all it's five philosophers (i.e. as far as I remeber it's important
> that the number of resource aquisitors is odd). Then of course this just
> serves as an illustrating example. The problem of shared resource access is
> all too common in CS (for example in databases). You cannot solve it by
> introducing a centralized server because that creates a bottleneck which
> defies the purpose of parallel processing. Your waiter is not the best
> solution. If you're interested in more details about how for example RDBMS
> solve this there's a lot of resources out there to read on.
>
> I don't know why think you have to rant about real CS problems or
> communists. This is not an excercise to plague students but it's a real
> issue and an important problem which must be solved. Without real solutions
> your OS would likely perform much worse than it actually does.
>
> Regards
>
> robert
>
>
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic