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Groups > comp.lang.java.programmer > #4542
| From | Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: analysis of java application logs |
| Date | 2011-05-24 19:12 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <irgou8$2sk$1@dont-email.me> (permalink) |
| References | (1 earlier) <irdmdc$hfg$1@news.albasani.net> <ire4op$fgq$1@dont-email.me> <ireave$1m2$1@news.albasani.net> <iremt2$u3k$1@localhost.localdomain> <941ivgF1amU1@mid.individual.net> |
On 24/05/2011 13:26, Nigel Wade allegedly wrote:
> On 23/05/11 23:25, Martin Gregorie wrote:
>> I tend to use at least two logging streams: debugging and
>> operational. I leave debugging statements in production code: its
>> normally off (of course) but can be turned on if needed.
>
> There is one caveat to leaving debug logging in production code; it
> may affect performance. Even with output disabled the string
> arguments are still constructed, unless they are constant. If logging
> is located in a tight loop, or critical section, it might become
> significant.
>
> In one particular application I profiled I found this to be eating
> up 80% of the CPU time. Admittedly, this was a rather special case,
> but it's still something which ought to be borne in mind if you leave
> debug logging code in production software.
>
Use a print-eff'ing logger and you'll have next to no overhead. If
evaluating the arguments is too heavy, use the ugly
if( logger.isXXXEnabled() ){}
jump.
--
DF.
An escaped convict once said to me:
"Alcatraz is the place to be"
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar
analysis of java application logs Ulrich Scholz <d7@thispla.net> - 2011-05-23 00:50 -0700
Re: analysis of java application logs Robert Klemme <shortcutter@googlemail.com> - 2011-05-23 02:20 -0700
Re: analysis of java application logs jlp <jlp@jlp.com> - 2011-05-23 11:45 +0200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 09:11 -0400
Re: analysis of java application logs Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-23 19:16 +0200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 15:02 -0400
Re: analysis of java application logs Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-23 22:03 +0200
Re: analysis of java application logs Michael Wojcik <mwojcik@newsguy.com> - 2011-05-26 14:43 -0400
Re: analysis of java application logs Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-05-23 18:32 -0300
Re: analysis of java application logs Ulrich Scholz <d7@thispla.net> - 2011-05-25 06:00 -0700
Re: analysis of java application logs Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-05-25 19:04 -0300
Re: analysis of java application logs Martin Gregorie <martin@address-in-sig.invalid> - 2011-05-23 22:25 +0000
Re: analysis of java application logs Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-05-24 12:26 +0100
Re: analysis of java application logs Martin Gregorie <martin@address-in-sig.invalid> - 2011-05-24 12:29 +0000
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-24 08:49 -0400
Re: analysis of java application logs Martin Gregorie <martin@address-in-sig.invalid> - 2011-05-24 14:37 +0000
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-24 12:26 -0400
Re: analysis of java application logs Jim Gibson <jimsgibson@gmail.com> - 2011-05-24 11:00 -0700
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-24 14:35 -0400
Re: analysis of java application logs Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-05-25 09:53 +0100
Re: analysis of java application logs Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-24 19:12 +0200
Re: analysis of java application logs Patricia Shanahan <pats@acm.org> - 2011-05-23 06:17 -0700
Re: analysis of java application logs Robert Klemme <shortcutter@googlemail.com> - 2011-05-23 20:33 +0200
Re: analysis of java application logs Martin Gregorie <martin@address-in-sig.invalid> - 2011-05-23 19:07 +0000
Re: analysis of java application logs CncShipper <anon@nowhere.com> - 2011-05-23 14:56 +0000
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 11:43 -0400
Re: analysis of java application logs jlp <jlp@jlp.com> - 2011-05-23 18:00 +0200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 12:20 -0400
Re: analysis of java application logs Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-23 19:06 +0200
Re: analysis of java application logs Robert Klemme <shortcutter@googlemail.com> - 2011-05-23 20:27 +0200
Re: analysis of java application logs Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-23 21:02 +0200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 15:06 -0400
Re: analysis of java application logs Robert Klemme <shortcutter@googlemail.com> - 2011-05-23 22:10 +0200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-23 17:04 -0400
Re: analysis of java application logs Tom Anderson <twic@urchin.earth.li> - 2011-05-24 15:04 +0100
Re: analysis of java application logs Martin Gregorie <martin@address-in-sig.invalid> - 2011-05-24 14:50 +0000
Re: analysis of java application logs Michael Wojcik <mwojcik@newsguy.com> - 2011-05-26 14:58 -0400
Re: analysis of java application logs Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-05-30 16:23 +1200
Re: analysis of java application logs Lew <noone@lewscanon.com> - 2011-05-30 01:08 -0400
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