[jira] [Commented] (AMBARI-9885) Modify the API call to exclude Flume metrics on Dashboard and Service pages

["Oleg Nechiporenko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-9885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344838#comment-14344838 ] 

Oleg Nechiporenko commented on AMBARI-9885:
-------------------------------------------

+1 for patch.

> Modify the API call to exclude Flume metrics on Dashboard and Service pages
> ---------------------------------------------------------------------------
>
>                 Key: AMBARI-9885
>                 URL: https://issues.apache.org/jira/browse/AMBARI-9885
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.0.0
>            Reporter: Andrii Babiichuk
>            Assignee: Andrii Babiichuk
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-9885.patch, AMBARI-9885_branch_2.0.0.patch
>
>
> - Dashboard loading on 400 node clusters takes forever.
> - Investigation shows that the culprit is the following API call:
> {code}
> /api/v1/clusters/cc/components/?ServiceComponentInfo/component_name=FLUME_HANDLER|ServiceComponentInfo/component_name=APP_TIMELINE_SERVER|ServiceComponentInfo/category=MASTER&fields=ServiceComponentInfo/Version,ServiceComponentInfo/StartTime,ServiceComponentInfo/HeapMemoryUsed,ServiceComponentInfo/HeapMemoryMax,ServiceComponentInfo/service_name,host_components/HostRoles/host_name,host_components/HostRoles/state,host_components/HostRoles/maintenance_state,host_components/HostRoles/stale_configs,host_components/HostRoles/ha_state,host_components/HostRoles/desired_admin_state,host_components/metrics/jvm/memHeapUsedM,host_components/metrics/jvm/HeapMemoryMax,host_components/metrics/jvm/HeapMemoryUsed,host_components/metrics/jvm/memHeapCommittedM,host_components/metrics/mapred/jobtracker/trackers_decommissioned,host_components/metrics/cpu/cpu_wio,host_components/metrics/rpc/RpcQueueTime_avg_time,host_components/metrics/dfs/FSNamesystem/*,host_components/metrics/dfs/namenode/Version,host_components/metrics/dfs/namenode/LiveNodes,host_components/metrics/dfs/namenode/DeadNodes,host_components/metrics/dfs/namenode/DecomNodes,host_components/metrics/dfs/namenode/TotalFiles,host_components/metrics/dfs/namenode/UpgradeFinalized,host_components/metrics/dfs/namenode/Safemode,host_components/metrics/runtime/StartTime,host_components/metrics/flume/flume,host_components/processes/HostComponentProcess,host_components/metrics/hbase/master/IsActiveMaster,ServiceComponentInfo/MasterStartTime,ServiceComponentInfo/MasterActiveTime,ServiceComponentInfo/AverageLoad,ServiceComponentInfo/Revision,ServiceComponentInfo/RegionsInTransition,metrics/api/v1/cluster/summary,metrics/api/v1/topology/summary,host_components/metrics/yarn/Queue,ServiceComponentInfo/rm_metrics/cluster/activeNMcount,ServiceComponentInfo/rm_metrics/cluster/lostNMcount,ServiceComponentInfo/rm_metrics/cluster/unhealthyNMcount,ServiceComponentInfo/rm_metrics/cluster/rebootedNMcount,ServiceComponentInfo/rm_metrics/cluster/decommissionedNMcount&minimal_response=true&_=1425140480545
> {code}
> - Among the requested metrics FLUME_HANDLER is on all hosts and this API calls results in requesting all metrics on all hosts for Flume.
> - Request is to remove the following from the requested properties: _"host_components/metrics/flume/flume"_. This results in API call returning in 2-3 seconds.
> - It is required to analyze impact of this change from UI side and making the change.



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