Srimanth Gunturi created AMBARI-3017:
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Summary: UI's service call latency increases by a factor of 2 or 3
every 20-30 calls.
Key: AMBARI-3017
URL: https://issues.apache.org/jira/browse/AMBARI-3017
Project: Ambari
Issue Type: Bug
Components: client
Affects Versions: 1.4.0
Reporter: Srimanth Gunturi
Assignee: Mahadev konar
Fix For: 1.4.0
Attachments: servicesGC.png
Every 20-30 calls for service metrics, latency of the next 5 calls are a
multiple of 2 or 3. This might be due to garbage collection. But basically in
UI, the updates seem to take longer.
The call UI makes is
{noformat}
/api/v1/clusters/${cluster}/services?fields=components/ServiceComponentInfo,components/host_components,components/host_components/HostRoles,components/host_components/metrics/jvm/memHeapUsedM,components/host_components/metrics/jvm/memHeapCommittedM,components/host_components/metrics/mapred/jobtracker/trackers_decommissioned,components/host_components/metrics/cpu/cpu_wio,components/host_components/metrics/rpc/RpcQueueTime_avg_time,components/host_components/metrics/flume/flume,components/host_components/metrics/yarn/Queue
{noformat}
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