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From Allen Wittenauer ...@yahoo-inc.com>
Subject Re: Optimal Filesystem (and Settings) for HDFS
Date Mon, 18 May 2009 22:28:08 GMT



On 5/18/09 11:33 AM, "Edward Capriolo" <edlinuxguru@gmail.com> wrote:

> Do not forget 'tune2fs -m 2'. By default this value gets set at 5%.
> With 1 TB disks we got 33 GB more usable space. Talk about instant
> savings!

Yup. Although, I think we're using -m 1.


> On Mon, May 18, 2009 at 1:31 PM, Alex Loddengaard <alex@cloudera.com> wrote:
>> I believe Yahoo! uses ext3,

Yup.  They won't buy me enough battery backed RAM to use a memory file
system. ;)


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