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From "Peter Davis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-3925) Default log.dir=/tmp/kafka-logs is unsafe
Date Sat, 02 Jul 2016 19:11:11 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-3925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15360291#comment-15360291
] 

Peter Davis commented on KAFKA-3925:
------------------------------------

Another recent mailing list thread: http://mail-archives.apache.org/mod_mbox/kafka-users/201606.mbox/%3cCAG4TxrjGODvQ5_nLb2qt_SSkHXtTJpUY6d42HdtCZ5HjQxK_bg@mail.gmail.com%3e

> Default log.dir=/tmp/kafka-logs is unsafe
> -----------------------------------------
>
>                 Key: KAFKA-3925
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3925
>             Project: Kafka
>          Issue Type: Bug
>          Components: config
>    Affects Versions: 0.10.0.0
>         Environment: Various, depends on OS and configuration
>            Reporter: Peter Davis
>
> Many operating systems are configured to delete files under /tmp.  For example Ubuntu
has [tmpreaper](http://manpages.ubuntu.com/manpages/wily/man8/tmpreaper.8.html), others use
tmpfs, others delete /tmp on startup. 
> Defaults are OK to make getting started easier but should not be unsafe (risking data
loss). 
> Something under /var would be a better default log.dir under *nix.  Or relative to the
Kafka bin directory to avoid needing root.  
> If the default cannot be changed, I would suggest a special warning print to the console
on broker startup if log.dir is under /tmp. 
> See [users list thread](http://mail-archives.apache.org/mod_mbox/kafka-users/201607.mbox/%3cCAD5tkZb-0MMuWJqHNUJ3i1+xuNPZ4tnQt-RPm65grxE0=0o9VQ@mail.gmail.com%3e).
 I've also been bitten by this. 



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