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YARN-8915. Update the doc about the default value of maximum-container-assignments for capacity scheduler. Contributed by Zhankun Tang. 

(cherry picked from commit 78ea897b67)
(cherry picked from commit 7dd8eafe33)
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Weiwei Yang 2018-10-29 12:04:32 +08:00 committed by Jonathan Hung
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/CapacityScheduler.md
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@ -295,7 +295,7 @@ Note, this feature should be disabled if YARN is deployed separately with the fi
| Property | Description | | Property | Description |
|:---- |:---- | |:---- |:---- |
| `yarn.scheduler.capacity.per-node-heartbeat.multiple-assignments-enabled` | Whether to allow multiple container assignments in one NodeManager heartbeat. Defaults to true. | | `yarn.scheduler.capacity.per-node-heartbeat.multiple-assignments-enabled` | Whether to allow multiple container assignments in one NodeManager heartbeat. Defaults to true. |
| `yarn.scheduler.capacity.per-node-heartbeat.maximum-container-assignments` | If `multiple-assignments-enabled` is true, the maximum amount of containers that can be assigned in one NodeManager heartbeat. Defaults to -1, which sets no limit. | | `yarn.scheduler.capacity.per-node-heartbeat.maximum-container-assignments` | If `multiple-assignments-enabled` is true, the maximum amount of containers that can be assigned in one NodeManager heartbeat. Default value is 100, which limits the maximum number of container assignments per heartbeat to 100. Set this value to -1 will disable this limit. |
| `yarn.scheduler.capacity.per-node-heartbeat.maximum-offswitch-assignments` | If `multiple-assignments-enabled` is true, the maximum amount of off-switch containers that can be assigned in one NodeManager heartbeat. Defaults to 1, which represents only one off-switch allocation allowed in one heartbeat. | | `yarn.scheduler.capacity.per-node-heartbeat.maximum-offswitch-assignments` | If `multiple-assignments-enabled` is true, the maximum amount of off-switch containers that can be assigned in one NodeManager heartbeat. Defaults to 1, which represents only one off-switch allocation allowed in one heartbeat. |
###Reviewing the configuration of the CapacityScheduler ###Reviewing the configuration of the CapacityScheduler