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From "Nils Breunese (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1592) Free space check for automatic compaction doesn't follow symlinks
Date Wed, 19 Mar 2014 13:46:44 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940469#comment-13940469
] 

Nils Breunese commented on COUCHDB-1592:
----------------------------------------

I guess a proper equivalent of http://man7.org/linux/man-pages/man3/realpath.3.html is needed:

{quote}
realpath() expands all symbolic links and resolves references to /./, /../ and extra '/' characters
in the null-terminated string named by path to produce a canonicalized absolute pathname.
 (...) The resulting path will have no symbolic link, /./ or /../ components.
{quote}

> Free space check for automatic compaction doesn't follow symlinks
> -----------------------------------------------------------------
>
>                 Key: COUCHDB-1592
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1592
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core
>    Affects Versions: 1.2
>            Reporter: Nils Breunese
>
> We've got a problem with automatic compaction not running due to low diskspace according
to CouchDB. According to our system administrators there is more than enough space (more than
twice the currently used space), but the data directory is a symlink to the real data storage.
It seems CouchDB is checking the diskspace on the filesystem on which the symlink resides
instead of the diskspace on the linked filesystem.



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