On Dec 16, 2010, at 9:02 AM, 刘东 wrote:
> tanks for you reply.
> I write test program to show my appliaction case.
>
> package com.iss.cnooc.test.ebank;
> import org.slf4j.Logger;
> import org.slf4j.LoggerFactory;
> public class LoggerTest
> {
>Logger logger = LoggerFactory.getLogger(LoggerT
ontention.
From: 刘东 [mailto:[email protected]]
Sent: Friday, December 17, 2010 1:40 AM
To: Log4J Users List
Subject: Re: Re: RE: Re: performance problem in multithread environment
Hi,I use jprofiler to monitor appliaction,the result shows that,at the same
time only on thread is runing,t
:
http://jakarta.apache.org/log4j/";>
I turned asyn BufferSize to 10240,but the test result is no changing.
why?
2010-12-17
刘东
发件人： Sebastien Tardif
发送时间： 2010-12-17 02:32:38
收件人： 'Log4J Users List'
抄送：
主题： RE: Re: performance problem in multi
://jakarta.apache.org/log4j/";>
I turned asyn BufferSize to 10240,but the test result is no changing.
why?
2010-12-17
刘东
发件人： Sebastien Tardif
发送时间： 2010-12-17 02:32:38
收件人： 'Log4J Users List'
抄送：
主题： RE: Re: performance problem in multithread environ
the test result is no changing.
why?
2010-12-17
刘东
发件人： Sebastien Tardif
发送时间： 2010-12-17 02:32:38
收件人： 'Log4J Users List'
抄送：
主题： RE: Re: performance problem in multithread environment
File IO is slow, you need to have a asyncappender between your application
and file i/o.
---
File IO is slow, you need to have a asyncappender between your application
and file i/o.
-Original Message-
From: 刘东 [mailto:[email protected]]
Sent: Thursday, December 16, 2010 10:02 AM
To: Log4J Users List
Subject: Re: Re: performance problem in multithread environment
tanks for
| 46859
2| 96593
4| 196921
16 | 717703
I use fileappender.
why?
2010-12-16
刘东
发件人： Curt Arnold
发送时间： 2010-12-16 14:15:03
收件人： Log4J Users List
抄送：
主题： Re: performance problem in
On Dec 13, 2010, at 10:54 AM, Jacob Kjome wrote:
> You will get better performance by not logging at all, no question. However,
> there are tuning possibilities. I see you mention "logger.info()". In
> production, I generally only have "warn()" and above for the vast majority of
> loggers.
e specifics, especially if you
feel you truly are taking these issues into account and are still getting
ridiculously bad performance while using Log4j.
Jake
On Mon, 13 Dec 2010 09:54:04 +0800
wrote:
I need your help!!!
Please help me ,thanks.
2010-12-13
2010-12-11 01:52:03
Log4J
I need your help!!!
Please help me ,thanks.
2010-12-13
刘东
发件人： 刘东
发送时间： 2010-12-11 01:52:03
收件人： Log4J Users List
抄送：
主题： Re: Re: performance problem in multithread environment
hi,
through jprofiler I found that many thread are blocked at
logger.info(message).I saw that each
without
log,application will process 40 orders one second.
Is there any mistakes by using log4j?need more config?
thanks.
2010-12-11
刘东
发件人： Sebastien Tardif
发送时间： 2010-12-11 01:10:40
收件人： log4j-user
抄送：
主题： Re: performance problem in multithread environment
The code show that
The code show that synchronization is by category.
If appendLoopOnAppenders is faster, like if the underline code use
asynchronous appender, that should not be a problem.
So you should investigate what the thread having the lock is doing.
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