Thanks! That makes perfect sense.
john
From: Sandy Ryza [mailto:sandy.r...@cloudera.com]
Sent: Monday, September 09, 2013 4:17 AM
To: user@hadoop.apache.org
Subject: Re: Scheduler question
Hi John,
YARN schedulers handle this with the concept of reservations. Scheduling
decisions occur
Hi John,
YARN schedulers handle this with the concept of reservations. Scheduling
decisions occur on node heartbeats. When a node that is full heartbeats,
the next application that should be able to place a container on it gets to
place a reservation on it. Each node has space for a single