There is some work being done in this area by some folks over at UC Berkeley's AMP Lab in coordination with Facebook. I don't believe it has been published quite yet, but the title of the project is "PACMan" -- I expect it will be published soon.
-Todd On Sat, Jan 14, 2012 at 5:30 PM, Rita <rmorgan...@gmail.com> wrote: > After reading this article, > http://www.cloudera.com/blog/2012/01/caching-in-hbase-slabcache/ , I was > wondering if there was a filesystem cache for hdfs. For example, if a large > file (10gigabytes) was keep getting accessed on the cluster instead of keep > getting it from the network why not storage the content of the file locally > on the client itself. A use case on the client would be like this: > > > > <property> > <name>dfs.client.cachedirectory</name> > <value>/var/cache/hdfs</value> > </property> > > > <property> > <name>dfs.client.cachesize</name> > <description>in megabytes</description> > <value>100000</value> > </property> > > > Any thoughts of a feature like this? > > > -- > --- Get your facts first, then you can distort them as you please.-- -- Todd Lipcon Software Engineer, Cloudera
