From 3488c4f2c9767684eb1007bb00250f474c06d5d8 Mon Sep 17 00:00:00 2001 From: Varun Vasudev Date: Fri, 1 Apr 2016 12:20:40 +0530 Subject: [PATCH] Revert "YARN-4857. Add missing default configuration regarding preemption of CapacityScheduler. Contributed by Kai Sasaki." This reverts commit 0064cba169d1bb761f6e81ee86830be598d7c500. --- .../src/main/resources/yarn-default.xml | 58 ------------------- 1 file changed, 58 deletions(-) diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml index cb3c73a13e8..506cf3d9fc7 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml @@ -908,64 +908,6 @@ 600000 - - - If true, run the policy but do not affect the cluster with preemption and kill events. - - yarn.resourcemanager.monitor.capacity.preemption.observe_only - false - - - - - Time in milliseconds between invocations of this ProportionalCapacityPreemptionPolicy - policy. - - yarn.resourcemanager.monitor.capacity.preemption.monitoring_interval - 3000 - - - - - Time in milliseconds between requesting a preemption from an application and killing - the container. - - yarn.resourcemanager.monitor.capacity.preemption.max_wait_before_kill - 15000 - - - - - Maximum percentage of resources preempted in a single round. By controlling this valueone - can throttle the pace at which containers are reclaimed from the cluster. After computing - the total desired preemption, the policy scales it back within this limit. - - yarn.resourcemanager.monitor.capacity.preemption.total_preemption_per_round - 0.1 - - - - - Maximum amount of resources above the target capacity ignored for preemption. - This defines a deadzone around the target capacity that helps prevent thrashing and - oscillations around the computed target balance. High values would slow the time to capacity - and (absent natural.completions) it might prevent convergence to guaranteed capacity. - - yarn.resourcemanager.monitor.capacity.preemption.max_ignored_over_capacity - 0.1 - - - - - Given a computed preemption target, account for containers naturally expiring and preempt - only this percentage of the delta. This determines the rate of geometric convergence into - the deadzone (MAX_IGNORED_OVER_CAPACITY). For example, a termination factor of 0.5 will reclaim - almost 95% of resources within 5 * #WAIT_TIME_BEFORE_KILL, even absent natural termination. - - yarn.resourcemanager.monitor.capacity.preemption.natural_termination_factor - 0.2 - -