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From Steve Loughran <steve.lough...@gmail.com>
Subject Re: NameNode low on available disk space
Date Tue, 22 Jan 2013 21:20:45 GMT
there are -I added the specifics to the JIRA you filed on this earlier

these are the kind of issues best discussed on the
user@hadoop.apache.orglist, rather than JIRA (they aren't bugs in the
code) or general (which is
more about general hadoop direction, releases &c)

-steve

On 22 January 2013 21:03, Mohit Vadhera <project.linux.proj@gmail.com>wrote:

> Hi,
>
> Namenode switches into safemode when it has low disk space on the root fs /
> i have to manually run a command to leave it. Below are log messages for
> low space on root / fs. Is there any parameter so that i can reduce
> reserved amount.
>
> 2013-01-21 01:22:52,217 WARN
> org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker: Space
> available on volume '/dev/mapper/vg_lv_root' is 10653696, which is below
> the configured reserved amount 104857600
> 2013-01-21 01:22:52,218 WARN
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: NameNode low on
> available disk space. Entering safe mode.
> 2013-01-21 01:22:52,218 INFO org.apache.hadoop.hdfs.StateChange: STATE*
> Safe mode is ON.
>

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