YARN-8896. Limit the maximum number of container assignments per heartbeat. (Zhankun Tang via wangda)
Change-Id: I6e72f8362bd7f5c2a844cb9e3c4732492314e9f1 (cherry picked from commit 780be14f07df2a3ed6273b96ae857c278fd72718) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/7252f8e1 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/7252f8e1 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/7252f8e1 Branch: refs/heads/branch-3.2 Commit: 7252f8e117bacdd3b746021d4b5d6b9c944813bd Parents: 5f7ed04 Author: Wangda Tan <wan...@apache.org> Authored: Thu Oct 18 10:58:21 2018 -0700 Committer: Wangda Tan <wan...@apache.org> Committed: Thu Oct 18 12:12:19 2018 -0700 ---------------------------------------------------------------------- .../scheduler/capacity/CapacitySchedulerConfiguration.java | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/7252f8e1/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 ---------------------------------------------------------------------- diff --git a/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 b/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 index b937ae7..08380f5 100644 --- a/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 +++ b/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 @@ -336,8 +336,11 @@ 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 --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
