hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Dunning <tdunn...@veoh.com>
Subject Re: simple architectural question
Date Wed, 26 Sep 2007 21:08:33 GMT

The blocks in a file are stored on the namenode (clearly these are file
meta-data).  The namenode also stores the number of replications.

There is a CRC for each block that is stored by the datanodes.

Based on IRC chatter, there will soon be user and group permission meta
data.


On 9/26/07 2:01 PM, "kate rhodes" <masukomi@gmail.com> wrote:

> My understanding is that there is no file meta-data beyond it's name
> and the directory that it lives in.


Mime
View raw message