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Hadoop >> mail # user >> namenode memory test

自己 2013-04-24, 02:26
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Re: namenode memory test
Can you manually go into the directory configured for hadoop.tmp.dir under
core-site.xml and do an ls -l to find the disk usage details, it will have
fsimage, edits, fstime, VERSION.
or the basic commands like,
hadoop fs -du
hadoop fsck

On Wed, Apr 24, 2013 at 7:56 AM, 自己 <[EMAIL PROTECTED]> wrote:

> Hi, I would like to know  how much memory our data take on the name-node
> per block, file and directory.
> For example, the metadata size of a file.
> When I store some files in HDFS,how can I get the memory size take on the
> name-node?
> Is there some tools or commands to test the memory size take on the
> name-node?
> I'm looking forward to your reply! Thanks!