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From "Patrick Hunt (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-912) ZooKeeper client logs trace and debug messages at level INFO
Date Fri, 05 Nov 2010 00:00:41 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928430#action_12928430

Patrick Hunt commented on ZOOKEEPER-912:

Hi John, thanks for the feedback

bq. I've actually had to repackage the zk jar without log4j.xml to tone down the logging.

well we don't have a log4j.xml at all, we do have a log4j.properties but that's not included
in our primary or "maven bin" jar files. I just looked again and I don't see it included (at
least in 3.3.1) Perhaps this is being pulled in from elsewhere in your environment?

We do provide a default log4j.properties in the conf directory of the release artifact. However
the intent is for users to either use that directly or customize it based on their needs,
which is why it's a config file and not hardcoded.

bq. If I could weigh in on this one too... <logging levels>

That's basically what we do. I grant that we skew to pushing more detail at INFO that might
be DEBUG, and some DEBUG that should be TRACE. We have been working on that of late (see JIRA,
a number of logging level changes went into 3.3). We could push a few more of the info messages
to debug, but I'm reticent for a few reasons. Primarily the fact that we often get reports
from users who see issues where the only detail we have to go on (esp given this is a complex
distributed system) is the info (and higher) level logs. My experience supporting a number
of production teams (15+) tells me this would compromise our ability to help them resolve

> ZooKeeper client logs trace and debug messages at level INFO
> ------------------------------------------------------------
>                 Key: ZOOKEEPER-912
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-912
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: java client
>    Affects Versions: 3.3.1
>            Reporter: Anthony Urso
>            Assignee: Anthony Urso
>            Priority: Minor
>             Fix For: 3.4.0
>         Attachments: zk-loglevel.patch
> ZK logs a lot of uninformative trace and debug messages to level INFO.  This fuzzes up
everything and makes it easy to miss useful log info. 

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