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https://issues.apache.org/jira/browse/FLUME-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194860#comment-15194860
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Barış Taşkend commented on FLUME-2285:
--------------------------------------

Hi,

Set minimumRequiredSpace=99401728 in flume configuration file. default value is 
524288000. For details :
https://flume.apache.org/FlumeUserGuide.html#file-channel

It worked for me.

> FileChannel Erroneously Reports "Usable Space Exhausted"
> --------------------------------------------------------
>
>                 Key: FLUME-2285
>                 URL: https://issues.apache.org/jira/browse/FLUME-2285
>             Project: Flume
>          Issue Type: Bug
>    Affects Versions: v1.4.0
>            Reporter: Michael Knapp
>
> I am using Flume 1.4.0, my configuration has a file channel with all of the 
> default settings.  It's checkpoint directory and data directory are both 
> empty and have the correct permissions on them.  When I run flume I get this 
> exception:
> java.lang.IllegalStateException: Channel closed [...]. Due to 
> java.io.IOException: Usable space exhaused, only 99401728 bytes remaining, 
> required 524288000 bytes
> The drive that the checkpoint and data directories reside on has 86GB 
> available (unused) on it.  The flume application is calculating the wrong 
> number for usable space.
> If I am wrong here, then the exception message should at least be more clear, 
> describing how to fix the issue, and where exactly it is getting that number 
> (99401728 bytes).  It would also be nice if the numbers were reported in 
> human readable form (MB, GB, etc.)



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