[logback-dev] [JIRA] Commented: (LBCORE-128) Please support implementation of binary log files in RollingFileAppender/FileAppender

[Ceki Gulcu (JIRA)]

    [ http://jira.qos.ch/browse/LBCORE-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11523#action_11523 ] 

Ceki Gulcu commented on LBCORE-128:
-----------------------------------

Hi Joern,

The list of issues to be corrected for 0.9.19 is pretty long (around 30 issues). While it is obvious that this change would make logback more flexible, it would also increase the complexity of the code. What I am missing is a use case. How is writing binary log files useful? Is it for differed processing of log files, e.g having Lilith read log files without needing to parse free format text? I would appreciate if you could shed some light onto the matter.


> Please support implementation of binary log files in RollingFileAppender/FileAppender
> -------------------------------------------------------------------------------------
>
>                 Key: LBCORE-128
>                 URL: http://jira.qos.ch/browse/LBCORE-128
>             Project: logback-core
>          Issue Type: Improvement
>          Components: Appender
>    Affects Versions: 0.9.17
>            Reporter: Joern Huxhorn
>            Assignee: Logback dev list
>
> This was discussed briefly at http://marc.info/?l=logback-dev&m=124905434331308&w=2 and I forgot to file a ticket about this.
> Currently, RandomFileAppender => FileAppender => WriterAppender is using the following method in WriterAppender to actually write the data:
> protected void writerWrite(String s, boolean flush) throws IOException
> Please add an additional method like
> protected void writerWrite(byte[] bytes, boolean flush) throws IOException
> to write to the underlying stream directly.
> writerWrite(String, boolean) could call that method after performing the transformation internally, making this change transparent for the rest of the implementation.
> Using a binary format for logfiles could have tremendous performance impact as can be seen here: http://sourceforge.net/apps/trac/lilith/wiki/SerializationPerformance

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