[jira] [Commented] (SLIDER-1231) yarn.label.expression does not work correctly

["kyungwan nam (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLIDER-1231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16074266#comment-16074266 ] 

kyungwan nam commented on SLIDER-1231:
--------------------------------------

if node-label-expression in ApplicationSubmissionContext is set, it is used for all containers.

http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/NodeLabel.html#Specifying_node_label_for_application
{noformat}
Specifying node label for application

Applications can use following Java APIs to specify node label to request

- ApplicationSubmissionContext.setNodeLabelExpression(..) to set node label expression for all containers of the application.
- ResourceRequest.setNodeLabelExpression(..) to set node label expression for individual resource requests. This can overwrite node label expression set in ApplicationSubmissionContext
- Specify setAMContainerResourceRequest.setNodeLabelExpression in ApplicationSubmissionContext to indicate expected node label for application master container.
{noformat}



> yarn.label.expression does not work correctly
> ---------------------------------------------
>
>                 Key: SLIDER-1231
>                 URL: https://issues.apache.org/jira/browse/SLIDER-1231
>             Project: Slider
>          Issue Type: Bug
>            Reporter: kyungwan nam
>
> resources.json 
> {code}
> {
> ...
>   "components": {
>     "slider-appmaster": {
>       "yarn.memory": "2048",
>       "yarn.label.expression" : “label1"
>     },
>     "HBASE_REGIONSERVER": {
>       "yarn.role.priority": "1",
>       "yarn.component.instances": “1",
>       "yarn.memory": "4096",
>       "yarn.component.placement.policy": "4",
>       "yarn.placement.escalate.seconds": "60",
>       "yarn.container.failure.threshold": "9"
>     },
> {code}
> I thought this app will be worked as follows according to resources.json 
> - slider-appmaster should be allocated to a host whose node label is “label1”.
> - HBASE_REGIONSERVER  should be allocated to a host whose node label is default.
> but, all containers was trying to allocate to a host whose node label is “label1"



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