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http://jira.qos.ch/browse/LBCORE-243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ceki Gulcu reassigned LBCORE-243:
---------------------------------

    Assignee: Ceki Gulcu  (was: Logback dev list)

> Return ImmediateFlush and perhaps buffering options to FileAppender
> -------------------------------------------------------------------
>
>                 Key: LBCORE-243
>                 URL: http://jira.qos.ch/browse/LBCORE-243
>             Project: logback-core
>          Issue Type: Improvement
>          Components: Appender
>    Affects Versions: 1.0.0
>            Reporter: Petr H
>            Assignee: Ceki Gulcu
>
> Based on the "log4j performance comparison" discussion in the logback-user 
> mailing list:
> http://old.nabble.com/log4j-performance-comparison-td31183677.html
> I'd like to see at least the ImmediateFlush option back as it causes really 
> big difference in writing performance at our systems with heavy logging 
> activity.
> Last logback release with ImmediateFlush option is 0.9.18 and this is the one 
> we have to stay at due to performance reasons. We can't afford to upgrade to 
> later logback release or switch ImmediateFlush to true as it makes some of 
> our systems practically unusable.
> The best option seems to be the use of FileWriter with the possibility to set 
> the ImmediateFlush option and also buffering (wrapping with BufferedWriter 
> and use of BufferedIO + BufferSize options) can help a little.

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