Hi all, I looked through the "Cluster Setup" guide under link http://hadoop.apache.org/common/docs/r0.20.1/cluster_setup.html and found there's a "fs.inmemory.size.mb" parameter for specifying memory allocated for the in-memory file-system used to merge map-outputs at the reduces, and this parameter is set in the "core-site.xml". But when I checked the "core-default.xml" under path "$HADOOP_HOME/src/core/", I didn't find the parameter at all, nor could I find the parameter through JTUI after lauching jobs. Does anybody know about this parameter? Has it been removed from release 0.20.X? If it hasn't been removed, how could I set the parameter besides using the -D option? Thanks in advance.
Best Regards, Carp
