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From Harsh J <ha...@cloudera.com>
Subject Re: memory management module of Namenode
Date Tue, 28 Jan 2014 11:00:35 GMT

The central class is FSNamesystem.java downwards. I'd advise drilling
down from the NameNodeRpcServer sources at
for any client operation your curiosity wants to dive into.

On Tue, Jan 28, 2014 at 4:14 PM, Chetan Agrawal <cagrawal11@gmail.com> wrote:
> I read that the namenode keeps all the metadata record in main memory right
> for fast access.
> I want to study the code where the namenode is instructed to do so i.e. to
> keep metadata record in main memory. where can i find the source code file
> for this namenode memory management? i am using github and have
> 'hadoop-common' repository.

Harsh J

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