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https://issues.apache.org/jira/browse/LOG4J2-44?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13458086#comment-13458086
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Tushar commented on LOG4J2-44:
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* If we dont already have a way to roll over on start up. i think its there. 

* and would be great if the out file can be dynamic - based on a java simple 
date format in some parts so we have a root path + pattern

/archive/path/{YYYY}/{MM}/

Need to make a simple date format, parse the date and year and then make the 
file object call mkdirs() this way we dont need any external job to organise 
the archive except download and delete files from server !

besides this i will give what is there a test and let close this when i get a 
chance to get from trunk ...
                
> log4j java date wise log every X MB
> -----------------------------------
>
>                 Key: LOG4J2-44
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-44
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: Appenders
>            Reporter: Tushar
>            Priority: Minor
>         Attachments: TespAppLog4j1.zip
>
>
> a log roll over that makes a new file every x MB/ KB but the current file is 
> archived with a full date-time--random-int-to-make-  unique stamp
> so if the file is myProj_A.log after x MB is renamed to
> myProj_A_2010_09_10_02_48_02_XX34334.log (year-month-day- time ...) and so on
> Is there a pattern/ property to do this already?
> can see http://www.simonsite.org.uk/ and 
> http://www.simonsite.org.uk/javadoc/org/apache/log4j/appender/TimeAndSizeRollingAppender.html
>  here the code is a little mixed up (we want test and real code in seperate 
> src roots) - and not sure if it works completely but it says it does. but it 
> has our requirements.
> Code should write out buffer in bits instead of blocking for a long time 
> emptying full buffer when buffer is full Or is that done by nio ?
> build and run script to test with params to control logging, number of 
> threads, amount of data logged so we can see that the logs are rolling as 
> planned we want the final roller to roll every day but can keep that as hour 
> and minute params (so final will be 24 hours and 0 minutes, but for testing 
> can be 5 minutes only, similarly size can be in KB) also need format of file 
> name with prefix for folder so the root log folder can be c:\log then we 
> specify the dynamic sub folder like yyyy\mm\dd meaning make sub folders for 
> current year, inside that for month and inside that for day and finally the 
> file name format with a prefix like myApp_{yyyy_mm_dd_HH_II_SS) and post fix 
> so the final file will be in folder (example) 
> C:\log\2010\10\29\myApp_2010_10_29_14_34_22_randXYZ.txt where randXYZ stand 
> for some random text that is added to make the file name unique (as required 
> or can use java inbuilt getTempFile function ...)

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