diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt index dd875828560..1dfa87eee2b 100644 --- a/hadoop-yarn-project/CHANGES.txt +++ b/hadoop-yarn-project/CHANGES.txt @@ -191,6 +191,9 @@ Release 2.4.0 - UNRELEASED available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) + YARN-1171. Add default queue properties to Fair Scheduler documentation + (Naren Koneru via Sandy Ryza) + OPTIMIZATIONS BUG FIXES diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/FairScheduler.apt.vm b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/FairScheduler.apt.vm index 97436fb8e54..32bb0b80dda 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/FairScheduler.apt.vm +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/FairScheduler.apt.vm @@ -265,7 +265,15 @@ Allocation file format its fair share before it will try to preempt containers to take resources from other queues. - * <>, which sets the default scheduling + * <>, which sets the default number + of seconds the queue is under its minimum share before it will try to preempt + containers to take resources from other queues; overriden by + minSharePreemptionTimeout element in each queue if specified. + + * <>, which sets the default running app limit + for queues; overriden by maxRunningApps element in each queue. + + * <>, which sets the default scheduling policy for queues; overriden by the schedulingPolicy element in each queue if specified. Defaults to "fair".