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https://issues.apache.org/jira/browse/ZOOKEEPER-850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13119374#comment-13119374
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César Álvarez Núñez commented on ZOOKEEPER-850:
-----------------------------------------------
Hi all,
Calls to org.slf4j.Logger methods should use parameters instead of "string
concatenation".
That's one of the main reasons to use SLF4J. More information at:
http://www.slf4j.org/faq.html#logging_performance
> Switch from log4j to slf4j
> --------------------------
>
> Key: ZOOKEEPER-850
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-850
> Project: ZooKeeper
> Issue Type: Improvement
> Components: java client
> Affects Versions: 3.3.1
> Reporter: Olaf Krische
> Assignee: Olaf Krische
> Fix For: 3.4.0
>
> Attachments: ZOOKEEPER-3.3.1-log4j-slf4j-20101031.patch.bz2,
> ZOOKEEPER-3.4.0-log4j-slf4j-20101102.patch.bz2, ZOOKEEPER-850.patch,
> ZOOKEEPER-850.patch, ZOOKEEPER-850.patch, ZOOKEEPER-850.patch
>
>
> Hello,
> i would like to see slf4j integrated into the zookeeper instead of relying
> explicitly on log4j.
> slf4j is an abstract logging framework. There are adapters from slf4j to many
> logger implementations, one of them is log4j.
> The decision which log engine to use i dont like to make so early.
> This would help me to embed zookeeper in my own applications (which use a
> different logger implemenation, but slf4j is the basis)
> What do you think?
> (as i can see, those slf4j request flood all other projects on apache as well
> :-)
> Maybe for 3.4 or 4.0?
> I can offer a patchset, i have experience in such an migration already. :-)
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