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From "Robert Newson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1569) Low diskspace warning for compaction should be logged at error level
Date Mon, 22 Oct 2012 13:02:12 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481346#comment-13481346
] 

Robert Newson commented on COUCHDB-1569:
----------------------------------------

While I don't think it's sensible or appropriate to expect to only monitor couch.log for system-wide
issues like running out of disk space, logging this at error seems reasonable to me. I'll
note that writing an error message to disk to tell you you're out of disk space has an obvious
limitation.

Short version: yes, long version: you should be monitoring your system's resources with tools
dedicated to that purpose (zenoss and the like).

                
> Low diskspace warning for compaction should be logged at error level
> --------------------------------------------------------------------
>
>                 Key: COUCHDB-1569
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1569
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Database Core
>    Affects Versions: 1.2
>            Reporter: Nils Breunese
>            Priority: Trivial
>
> In production we're running CouchDB at log level 'error', because running at 'info' is
too verbose for production. We suspect automatic compaction might not be running due to low
diskspace. 
> http://wiki.apache.org/couchdb/Compaction#Automatic_Compaction says: "When there's not
enough free disk space to compact a particular database or view index, a warning message is
logged." But there is no warning log level in CouchDB as far as I know and the can_db_compact
function in src/couchdb/couch_compaction_daemon.erl seems to log the message about diskspace
being too low at info level. Could this be changed to error level?

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