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From "Mck SembWever (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-5883) Switch to Logback
Date Tue, 10 Sep 2013 09:59:53 GMT


Mck SembWever commented on CASSANDRA-5883:

Has log4j2 been considered?
Both log4j (old) and logback has awful java code in its internals using synchronised blocks/methods.

log4j2 seems to take a large step forward here and ensures an application won't lock up in
the same way a log4j/logback application can. Such contention locks are not unusual once you
increase logging  in any high concurrent application.

log4j2 can be more than 1000x times faster…

> Switch to Logback
> -----------------
>                 Key: CASSANDRA-5883
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core, Tools
>            Reporter: Jonathan Ellis
>            Assignee: Dave Brosius
>            Priority: Minor
>             Fix For: 2.1
>         Attachments: 0001-Additional-migration-to-logback.patch, 5883-1.txt, 5883-additional1.txt,
> Logback has a number of advantages over log4j, and switching will be straightforward
since we are already using the slf4j translation layer:

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