YARN-8566. Add diagnostic message for unschedulable containers (snemeth via rkanter)
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Robert Kanter
parent
b429f19d32
commit
fecbac499e
@ -2326,6 +2326,291 @@ Response Body:
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</appAttempts>
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```
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Containers for an Application Attempt API
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-----------------------------------------
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With Containers for an Application Attempt API you can obtain the list of containers, which belongs to an Application Attempt.
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### URI
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* http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers
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### HTTP Operations Supported
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* GET
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### Query Parameters Supported
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None
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### Elements of the *containers* object
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When you make a request for the list of containers, the information will be returned as an array of container objects.
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containers:
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| containers | array of app container objects(JSON)/zero or more container objects(XML) | The collection of app container objects |
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### Elements of the *container* object
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| containerId | string | The container id |
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| allocatedMB | long | The amount of memory allocated for the container in MB |
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| allocatedVCores | int | The amount of virtual cores allocated for the container |
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| assignedNodeId | string | The node id of the node the attempt ran on |
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| priority | int | Allocated priority of the container |
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| startedTime | long | The start time of the attempt (in ms since epoch) |
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| finishedTime | long | The finish time of the attempt (in ms since epoch) 0 if not finished |
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| elapsedTime | long | The elapsed time in ms since the startedTime |
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| logUrl | string | The web URL that can be used to check the log for the container |
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| containerExitStatus | int | Final exit status of the container |
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| containerState | string | State of the container, can be NEW, RUNNING, or COMPLETE |
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| nodeHttpAddress | string | The node http address of the node the attempt ran on ||
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| nodeId | string | The node id of the node the attempt ran on |
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| allocatedResources |array of resource(JSON)/zero or more resource objects(XML) | Allocated resources for the container |
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### Elements of the *resource* object
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| memory | int | The maximum memory for the container |
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| vCores | int | The maximum number of vcores for the container |
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**JSON response**
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HTTP Request:
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GET http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers
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Response Header:
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HTTP/1.1 200 OK
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Content-Type: application/json
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Transfer-Encoding: chunked
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Server: Jetty(6.1.26)
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Response Body:
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```json
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{
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"containers" : {
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"container": [
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{
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"containerId": "container_1531404209605_0008_01_000001",
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"allocatedMB": "1536",
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"allocatedVCores": "1",
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"assignedNodeId": "host.domain.com:37814",
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"priority": "0",
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"startedTime": "1531405909444",
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"finishedTime": "0",
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"elapsedTime": "4112",
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"logUrl": "http://host.domain.com:8042/node/containerlogs/container_1531404209605_0008_01_000001/systest",
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"containerExitStatus": "0",
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"containerState": "RUNNING",
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"nodeHttpAddress": "http://host.domain.com:8042",
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"nodeId": "host.domain.com:37814",
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"allocatedResources": [
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{
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"key": "memory-mb",
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"value": "1536"
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},
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{
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"key": "vcores",
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"value": "1"
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}
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]
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}
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]
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}
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}
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```
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**XML response**
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HTTP Request:
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GET http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers
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Accept: application/xml
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Response Header:
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HTTP/1.1 200 OK
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Content-Type: application/xml
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Content-Length: 1104
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Server: Jetty(6.1.26)
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Response Body:
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```xml
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<containers>
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<container>
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<containerId>container_1531404209605_0008_01_000001</containerId>
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<allocatedMB>1536</allocatedMB>
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<allocatedVCores>1</allocatedVCores>
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<assignedNodeId>host.domain.com:37814</assignedNodeId>
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<priority>0</priority>
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<startedTime>1531405909444</startedTime>
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<finishedTime>0</finishedTime>
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<elapsedTime>4112</elapsedTime>
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<logUrl>
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http://host.domain.com:8042/node/containerlogs/container_1531404209605_0008_01_000001/systest
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</logUrl>
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<containerExitStatus>0</containerExitStatus>
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<containerState>RUNNING</containerState>
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<nodeHttpAddress>http://host.domain.com:8042</nodeHttpAddress>
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<nodeId>host.domain.com:37814</nodeId>
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<allocatedResources>
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<entry>
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<key>memory-mb</key>
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<value>1536</value>
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</entry>
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<entry>
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<key>vcores</key>
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<value>1</value>
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</entry>
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</allocatedResources>
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</container>
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</containers>
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```
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Specific Container for an Application Attempt API
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-------------------------------------------------
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With Specific Container for an Application Attempt API you can obtain information about a specific container, which belongs to an Application Attempt and selected by the container id.
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### URI
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* http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers/{containerId}
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### HTTP Operations Supported
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* GET
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### Query Parameters Supported
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None
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### Elements of the *container* object
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| containerId | string | The container id |
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| allocatedMB | long | The amount of memory allocated for the container in MB |
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| allocatedVCores | int | The amount of virtual cores allocated for the container |
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| assignedNodeId | string | The node id of the node the attempt ran on |
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| priority | int | Allocated priority of the container |
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| startedTime | long | The start time of the attempt (in ms since epoch) |
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| finishedTime | long | The finish time of the attempt (in ms since epoch) 0 if not finished |
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| elapsedTime | long | The elapsed time in ms since the startedTime |
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| logUrl | string | The web URL that can be used to check the log for the container |
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| containerExitStatus | int | Final exit status of the container |
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| containerState | string | State of the container, can be NEW, RUNNING, or COMPLETE |
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| nodeHttpAddress | string | The node http address of the node the attempt ran on ||
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| nodeId | string | The node id of the node the attempt ran on |
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| allocatedResources |array of resource(JSON)/zero or more resource objects(XML) | Allocated resources for the container |
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### Elements of the *resource* object
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| memory | int | The maximum memory for the container |
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| vCores | int | The maximum number of vcores for the container |
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**JSON response**
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HTTP Request:
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GET http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers/{containerId}
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Response Header:
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HTTP/1.1 200 OK
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Content-Type: application/json
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Transfer-Encoding: chunked
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Server: Jetty(6.1.26)
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Response Body:
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```json
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{
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"container": {
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"containerId": "container_1531404209605_0008_01_000001",
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"allocatedMB": "1536",
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"allocatedVCores": "1",
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"assignedNodeId": "host.domain.com:37814",
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"priority": "0",
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"startedTime": "1531405909444",
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"finishedTime": "0",
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"elapsedTime": "4112",
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"logUrl": "http://host.domain.com:8042/node/containerlogs/container_1531404209605_0008_01_000001/systest",
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"containerExitStatus": "0",
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"containerState": "RUNNING",
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"nodeHttpAddress": "http://host.domain.com:8042",
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"nodeId": "host.domain.com:37814",
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"allocatedResources": [
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{
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"key": "memory-mb",
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"value": "1536"
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},
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{
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"key": "vcores",
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"value": "1"
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}
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]
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}
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}
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```
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**XML response**
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HTTP Request:
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GET http://rm-http-address:port/ws/v1/cluster/apps/{appid}/appattempts/{appAttemptId}/containers/{containerId}
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Accept: application/xml
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Response Header:
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HTTP/1.1 200 OK
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Content-Type: application/xml
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Content-Length: 1104
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Server: Jetty(6.1.26)
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Response Body:
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```xml
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<container>
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<containerId>container_1531404209605_0008_01_000001</containerId>
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<allocatedMB>1536</allocatedMB>
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<allocatedVCores>1</allocatedVCores>
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<assignedNodeId>host.domain.com:37814</assignedNodeId>
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<priority>0</priority>
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<startedTime>1531405909444</startedTime>
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<finishedTime>0</finishedTime>
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<elapsedTime>4112</elapsedTime>
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<logUrl>
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http://host.domain.com:8042/node/containerlogs/container_1531404209605_0008_01_000001/systest
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</logUrl>
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<containerExitStatus>0</containerExitStatus>
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<containerState>RUNNING</containerState>
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<nodeHttpAddress>http://host.domain.com:8042</nodeHttpAddress>
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<nodeId>host.domain.com:37814</nodeId>
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<allocatedResources>
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<entry>
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<key>memory-mb</key>
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<value>1536</value>
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</entry>
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<entry>
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<key>vcores</key>
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<value>1</value>
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</entry>
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</allocatedResources>
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</container>
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```
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Cluster Nodes API
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-----------------
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