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From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (HADOOP-6664) fs.inmemory.size.mb not listed in conf. Cluster setup page gives wrong advice.
Date Mon, 19 Apr 2010 16:11:51 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward Capriolo reopened HADOOP-6664:
-------------------------------------


In the future, can you please not close a ticket before I even have a chance to reply.

1) the generated documentation on the site is wrong. 
2) the generated xml files in the src directory are putting variables in the wrong files.

People who are not 'In the know' will put configuration variables in the wrong file and not
get the effect they desire. 

> fs.inmemory.size.mb not listed in conf. Cluster setup page gives wrong advice.
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-6664
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6664
>             Project: Hadoop Common
>          Issue Type: Task
>          Components: conf, documentation
>    Affects Versions: 0.20.2
>            Reporter: Edward Capriolo
>
> http://hadoop.apache.org/common/docs/current/cluster_setup.html
> fs.inmemory.size.mb does not appear in any xml file
> {noformat}
> 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 
> {noformat}
> http://hadoop.apache.org/common/docs/current/cluster_setup.html
> Documentation error:
> Real-World Cluster Configurations
> {noformat}
> 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.
> {noformat}
> core --- io.sort.factor					-- should be mapred
> core --- io.sort.mb					-- should be mapred

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