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https://issues.apache.org/jira/browse/YARN-8542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16548248#comment-16548248
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Chandni Singh commented on YARN-8542:
-------------------------------------
[~gsaha]
I am not in favor of the below format:
{code:java}
{
"name": "sleep",
"containers": [
{
"bare_host": "eyang-5.openstacklocal",
"component_instance_name": "sleep-0",
"hostname": "sleep-0.qqq.hbase.ycluster",
"id": "container_1531765479645_0002_01_000004",
"ip": "172.26.111.20",
"launch_time": 1531767377710,
"state": "READY"
}
}{code}
It doesn't follow the convention. The request is for containers, so it should
return a list of containers. I prefer adding component_name to the container
json.
Also it is easy for users to further filter a flat list instead of a nested
json.
> Yarn Service: Add component name to container json
> --------------------------------------------------
>
> Key: YARN-8542
> URL: https://issues.apache.org/jira/browse/YARN-8542
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
>
> In YARN-8299, CLI for query container status is implemented to display
> containers in a flat list. It might be helpful to display component
> structure hierarchy like this:
> {code}
> [
> {
> "name": "ping",
> "containers": [
> {
> "bare_host": "eyang-4.openstacklocal",
> "component_instance_name": "ping-0",
> "hostname": "ping-0.qqq.hbase.ycluster",
> "id": "container_1531765479645_0002_01_000002",
> "ip": "172.26.111.21",
> "launch_time": 1531767377301,
> "state": "READY"
> },
> {
> "bare_host": "eyang-4.openstacklocal",
> "component_instance_name": "ping-1",
> "hostname": "ping-1.qqq.hbase.ycluster",
> "id": "container_1531765479645_0002_01_000007",
> "ip": "172.26.111.21",
> "launch_time": 1531767410395,
> "state": "RUNNING_BUT_UNREADY"
> }
> ]
> },
> {
> "name": "sleep",
> "containers": [
> {
> "bare_host": "eyang-5.openstacklocal",
> "component_instance_name": "sleep-0",
> "hostname": "sleep-0.qqq.hbase.ycluster",
> "id": "container_1531765479645_0002_01_000004",
> "ip": "172.26.111.20",
> "launch_time": 1531767377710,
> "state": "READY"
> },
> {
> "bare_host": "eyang-4.openstacklocal",
> "component_instance_name": "sleep-1",
> "hostname": "sleep-1.qqq.hbase.ycluster",
> "id": "container_1531765479645_0002_01_000005",
> "ip": "172.26.111.21",
> "launch_time": 1531767378303,
> "state": "READY"
> }
> ]
> }
> ]
> {code}
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