[HADOOP-6812] fs.inmemory.size.mb not listed in conf. Cluster setup page gives wrong advice.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.20.2, 0.21.0, 0.22.0
• Fix Version/s: 0.22.0
• Component/s: documentation
• Hadoop Flags: Reviewed
• Assignee: Christopher Douglas
• Reporter: Edward Capriolo
• Created: 29/Mar/10 16:11
• Updated: 12/Dec/11 06:19
• Resolved: 28/Jan/11 22:43

Description

http://hadoop.apache.org/common/docs/current/cluster_setup.html

fs.inmemory.size.mb does not appear in any xml file

grep "fs.inmemory.size.mb" ./mapred/mapred-default.xml 
[edward@ec src]$ grep "fs.inmemory.size.mb" ./hdfs/hdfs-default.xml 
[edward@ec src]$ grep "fs.inmemory.size.mb" ./core/core-default.xml 

http://hadoop.apache.org/common/docs/current/cluster_setup.html
Documentation error:
Real-World Cluster Configurations

conf/core-site.xml  	io.sort.factor  	100  	More streams merged at once while sorting files.
conf/core-site.xml 	io.sort.mb 	200 	Higher memory-limit while sorting data.

core — io.sort.factor – should be mapred
core — io.sort.mb – should be mapred