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Groups > comp.lang.java.programmer > #19758

Re: Java daemon

From Martin Gregorie <martin@address-in-sig.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: Java daemon
Date 2012-11-15 02:09 +0000
Organization UK Free Software Network
Message-ID <k81isp$v9c$1@localhost.localdomain> (permalink)
References (4 earlier) <50a1b94b$0$294$14726298@news.sunsite.dk> <k7ueha$5v6$1@localhost.localdomain> <50a2ca3d$0$281$14726298@news.sunsite.dk> <k812nj$r2j$1@localhost.localdomain> <50a41358$0$291$14726298@news.sunsite.dk>

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On Wed, 14 Nov 2012 16:55:33 -0500, Arne Vajhøj wrote:

> On 11/14/2012 4:33 PM, Martin Gregorie wrote:
>> On Tue, 13 Nov 2012 17:31:22 -0500, Arne Vajhøj wrote:
>>
>>> You know what a daemon is.
>>>
>>> Besides the web integration with Apache and IIS that accounts for 99+%
>>> of PHP usage, then PHP also comes with a command line utility.
>>>
>>> So you can write a daemon in PHP and run it via the command line
>>> utility.
>>>
>> Thanks for the clarification. I thought you must have been talking
>> about some special PHP daemonising framework or library.
> 
> Nope. Just not very good at explaining what I meant.
>
Probably same here. I have written a batch-type program in PHP but would 
probably not do it again because I think there are better languages for 
that. This program walks a directory structure, generating thumbnails of 
all the images it finds. Its companion (still in PHP under Apache) 
generates menus if thumbnails on the fly. Its first cut generated the 
thumbnails as needed, but that was deadly slow, hence the overnight batch 
directory walker.

I ended up rewriting the thumbnail generating program in Java and dumping 
the PHP version when I needed a non-trivial enhancement (the ability to 
generate permanent HTML menu pages. As a bonus, the Java version is 
significantly faster which is quite surprising considering its run is 
fairly short - 2-3 seconds on a typical run when it finds nothing to do 
in the 600+ directories it looks at.


-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

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Thread

Java daemon "sl@exabyte" <sb5309@hotmail.com> - 2012-11-12 22:17 +0800
  Re: Java daemon David Lamb <dalamb@cs.queensu.ca> - 2012-11-12 09:25 -0500
    Re: Java daemon "sl@exabyte" <sb5309@hotmail.com> - 2012-11-12 23:55 +0800
      Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-12 22:07 +0000
        Re: Java daemon "sl@exabyte" <sb5309@hotmail.com> - 2012-11-13 10:56 +0800
          Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-12 22:08 -0500
          Re: Java daemon "SL" <sb5309@hotmail.com> - 2012-11-13 13:59 +0800
          Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-13 21:50 +0000
            Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-18 16:43 -0500
              Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-19 01:05 +0000
                Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-18 20:41 -0500
                Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-20 00:32 +0000
                Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-19 20:07 -0500
                Re: Java daemon Arved Sandstrom <asandstrom2@eastlink.ca> - 2012-11-19 20:38 -0400
                Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-19 20:22 -0500
                Re: Java daemon Arved Sandstrom <asandstrom2@eastlink.ca> - 2012-11-20 17:46 -0400
              Re: Java daemon Lew <lewbloch@gmail.com> - 2012-11-18 20:10 -0800
                Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-19 10:50 -0500
        Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-12 22:06 -0500
          Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-13 21:36 +0000
            Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-13 17:31 -0500
              Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-14 21:33 +0000
                Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-14 16:55 -0500
                Re: Java daemon Martin Gregorie <martin@address-in-sig.invalid> - 2012-11-15 02:09 +0000
    Re: Java daemon "SL" <sb5309@hotmail.com> - 2012-11-13 14:40 +0800
      Re: Java daemon Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-11-12 23:39 -0800
        Re: Java daemon "SL" <sb5309@hotmail.com> - 2012-11-13 16:16 +0800
      Re: Java daemon Arved Sandstrom <asandstrom2@eastlink.ca> - 2012-11-13 06:37 -0400
      Re: Java daemon David Lamb <dalamb@cs.queensu.ca> - 2012-11-13 08:46 -0500
      Re: Java daemon "John B. Matthews" <nospam@nospam.invalid> - 2012-11-13 21:23 -0500
      Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-18 16:52 -0500
      Re: Java daemon markspace <-@.> - 2012-11-18 14:02 -0800
        Re: Java daemon jlp <jlp@jlp.com> - 2012-11-19 20:39 +0100
          Re: Java daemon "SL@maxis" <ecp_gen@my-rialto.com> - 2012-11-20 15:23 +0800
  Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-12 09:41 -0500
  Re: Java daemon Jim Janney <jjanney@shell.xmission.com> - 2012-11-12 14:24 -0700
    Re: Java daemon Lew <lewbloch@gmail.com> - 2012-11-12 13:35 -0800
      Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-12 22:05 -0500
    Re: Java daemon Arne Vajhøj <arne@vajhoej.dk> - 2012-11-18 16:40 -0500

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