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YARN-8896. Limit the maximum number of container assignments per heartbeat. (Zhankun Tang via wangda) 

Change-Id: I6e72f8362bd7f5c2a844cb9e3c4732492314e9f1
(cherry picked from commit 780be14f07)
This commit is contained in:
Wangda Tan 2018-10-18 10:58:21 -07:00
parent 3cb52958b2
commit 46baafedf1
1 changed files with 4 additions and 1 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
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@ -333,8 +333,11 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
public static final String MAX_ASSIGN_PER_HEARTBEAT = PREFIX
+ "per-node-heartbeat.maximum-container-assignments";
/**
* Avoid potential risk that greedy assign multiple may involve
* */
@Private
public static final int DEFAULT_MAX_ASSIGN_PER_HEARTBEAT = -1;
public static final int DEFAULT_MAX_ASSIGN_PER_HEARTBEAT = 100;
/** Configuring absolute min/max resources in a queue. **/
@Private