hadoop-mapreduce-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Dunning <tdunn...@maprtech.com>
Subject Re: Hadoop hardware failure recovery
Date Fri, 10 Aug 2012 18:55:50 GMT
Hadoop's file system was (mostly) copied from the concepts of Google's old
file system.

The original paper is probably the best way to learn about that.


On Fri, Aug 10, 2012 at 11:38 AM, Aji Janis <aji1705@gmail.com> wrote:

> I am very new to Hadoop. I am considering setting up a Hadoop cluster
> consisting of 5 nodes where each node has 3 internal hard drives. I
> understand HDFS has a configurable redundancy feature but what happens if
> an entire drive crashes (physically) for whatever reason? How does Hadoop
> recover, if it can, from this situation? What else should I know before
> setting up my cluster this way? Thanks in advance.

View raw message