Yes Arun, that is what I need. Thanks a lot. Yehia
On 13 November 2014 08:55, Arun Murthy <[email protected]> wrote: > You mean to the JVM of the MRAppMaster? > > <property> > <name>yarn.app.mapreduce.am.command-opts</name> > <value>-Xmx1024m</value> > <description>Java opts for the MR App Master processes. > The following symbol, if present, will be interpolated: @taskid@ is > replaced > by current TaskID. Any other occurrences of '@' will go unchanged. > For example, to enable verbose gc logging to a file named for the taskid > in > /tmp and to set the heap maximum to be a gigabyte, pass a 'value' of: > -Xmx1024m -verbose:gc -Xloggc:/tmp/@[email protected] > > Usage of -Djava.library.path can cause programs to no longer function if > hadoop native libraries are used. These values should instead be set as > part > of LD_LIBRARY_PATH in the map / reduce JVM env using the > mapreduce.map.env and > mapreduce.reduce.env config settings. > </description> > </property> > > <property> > <name>yarn.app.mapreduce.am.env</name> > <value></value> > <description>User added environment variables for the MR App Master > processes. Example : > 1) A=foo This will set the env variable A to foo > 2) B=$B:c This is inherit tasktracker's B env variable. > </description> > </property> > > Arun > > > On Wed, Nov 12, 2014 at 6:06 PM, Yehia Elshater <[email protected]> > wrote: > >> Hi All, >> >> Is there a way to add extra commands to be run while launching an >> instance of MRApplicaitonMaster instance ? >> >> Thanks >> Yehia >> > > > > -- > > -- > Arun C. Murthy > Hortonworks Inc. > http://hortonworks.com/ > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You.
