If you need to create a custom appender that compresses the archive
files you will need to create a new assembly with a copy of the
RollingFileAppender code in it. The RollXXX methods are used to roll the
old log file out of the way. These all call into the RollFile method, so
you may be able to extend the appender at that point. The appender
currently just uses System.IO.File.Move to roll the file.

You can find compression libraries for .net which will allow you to zip
the old files. As zipping up the file may be a slow operation I suggest
that you move the file to a temporary name and then compress it on a
separate thread.

Cheers,
Nicko 

> -----Original Message-----
> From: Shaily Goel [mailto:[EMAIL PROTECTED] 
> Sent: 21 June 2005 06:07
> To: [email protected]
> Subject: Rolling File Appender provided by Log4Net
> 
> We are planning to use Rolling File Appender provided by Log4net.
> 
> Our requirements are like below:
> 
> 1. Rolling File Appender should be able to log the messages 
> into a local file with an extension of .log
> 2. It should write the message in xml format in local file.
> 3. It should be able to roll log files based on either size 
> or date. When the current log file reaches a particular 
> size/date, a new log file is rolled into its place.
> 4. The old log file should be stored in a compressed format 
> until the maximum number of log files is reached, causing the 
> oldest log file to be deleted.
> 
> 
> I found that all my above requirements are met by Rolling 
> File Appender provided by log4net except that "The old log 
> file should be stored in a compressed format ".
> 
> I want to know whether Rolling File appender internally store 
> all old log files in compressed format??If not, how can we 
> achieve this ?
> 
> 
> Thanks
> Shaily
> 
> 
> 
>  
> 

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