[jira] [Commented] (AMBARI-11518) All Yarn NodeManager widgets not getting displayed

["Jaimin D Jetly (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-11518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14564094#comment-14564094 ] 

Jaimin D Jetly commented on AMBARI-11518:
-----------------------------------------

verified that the patch works on a cluster.
also verified all existing unit tests passes

> All Yarn NodeManager widgets not getting displayed
> --------------------------------------------------
>
>                 Key: AMBARI-11518
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11518
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.0
>            Reporter: Jaimin D Jetly
>            Assignee: Jaimin D Jetly
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11518.patch
>
>
> widgets are comprised of temporal metrics (Graphs) or point-in-time metrics (Number, Gauge and Template).
> The API query for temporal metrics is different (additional time range and step) then point-in-time metric.
> It is observed that currently Ambari on YARN summary page polls either of following 2 APIs to retrieve NodeManager widgets information.
> {code:title=API-1}
> http://c6401:8080/api/v1/clusters/c1/services/YARN/components/NODEMANAGER?fields=metrics/yarn/BadLocalDirs,metrics/yarn/BadLogDirs,metrics/yarn/ContainersFailed._sum,metrics/yarn/ContainersCompleted._sum,metrics/yarn/ContainersLaunched._sum,metrics/yarn/ContainersIniting._sum,metrics/yarn/ContainersKilled._sum,metrics/yarn/ContainersRunning._sum,metrics/memory/mem_total._avg,metrics/memory/mem_free._avg,metrics/memory/mem_cached._avg,metrics/disk/read_bps._sum,metrics/disk/write_bps._sum,metrics/network/pkts_in._avg,metrics/network/pkts_out._avg,metrics/cpu/cpu_system._sum,metrics/cpu/cpu_user._sum,metrics/cpu/cpu_nice._sum,metrics/cpu/cpu_idle._sum,metrics/cpu/cpu_wio._sum&format=null_padding&_=1432847714941
> {code}
> {code:title=API-2}
> http://c6401:8080/api/v1/clusters/c1/services/YARN/components/NODEMANAGER?fields=metrics/cpu/cpu_system._sum[1432844246,1432847846,15],metrics/cpu/cpu_user._sum[1432844246,1432847846,15],metrics/cpu/cpu_nice._sum[1432844246,1432847846,15],metrics/cpu/cpu_idle._sum[1432844246,1432847846,15],metrics/cpu/cpu_wio._sum[1432844246,1432847846,15],metrics/yarn/ContainersFailed._sum[1432844246,1432847846,15],metrics/yarn/ContainersCompleted._sum[1432844246,1432847846,15],metrics/yarn/ContainersLaunched._sum[1432844246,1432847846,15],metrics/yarn/ContainersIniting._sum[1432844246,1432847846,15],metrics/yarn/ContainersKilled._sum[1432844246,1432847846,15],metrics/yarn/ContainersRunning._sum[1432844246,1432847846,15],metrics/yarn/BadLocalDirs[1432844246,1432847846,15],metrics/yarn/BadLogDirs[1432844246,1432847846,15],metrics/network/pkts_in._avg[1432844246,1432847846,15],metrics/network/pkts_out._avg[1432844246,1432847846,15],metrics/memory/mem_total._avg[1432844246,1432847846,15],metrics/memory/mem_free._avg[1432844246,1432847846,15],metrics/memory/mem_cached._avg[1432844246,1432847846,15],metrics/disk/read_bps._sum[1432844246,1432847846,15],metrics/disk/write_bps._sum[1432844246,1432847846,15]&format=null_padding&_=1432847846992
> {code}
> when ambari-web polls 1st API then all NodeManager temporal widgets shows no data.
> When ambari-web polls 2nd API then poin-in-time nodemanager widgets shows n/a.



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