The top one is the one you should set. mapred-site.xml is for properties you cannot set anywhere else.
Regards, LLoyd On 19 February 2016 at 10:44, 康明辉 <[email protected]> wrote: > Hi , master > > I have a confusing about the setting in Cloudera Manager hadoop version > for some value. > Especially for java option setting, eg: > <property> > <name>mapreduce.map.java.opts</name> > <value> > -Xmx512M > </value> > </property> > > In the Cloudera Manager, we both have settings like following: > [image: Inline image 1] > And you can also directly change the setting in : > [image: Inline image 2] > > I am confused which one is the right setting? > Thanks in advance! > > -- > Best Regards, > Jack >
