The heap of application master is controlled
via and its default value is -Xmx1024m (

yarn.scheduler.minimum-allocation-mb is completely different property -
The minimum allocation for every container request at the RM, in MBs.
Memory requests lower than this won't take effect, and the specified value
will get allocated at minimum.
2013/12/5 Vinod Kumar Vavilapalli <[EMAIL PROTECTED]>