Tom Beerbower created AMBARI-2158:
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Summary: Certain queries with metrics takes a long time (3 minutes
on a 450-node cluster)
Key: AMBARI-2158
URL: https://issues.apache.org/jira/browse/AMBARI-2158
Project: Ambari
Issue Type: Bug
Reporter: Tom Beerbower
Assignee: Tom Beerbower
On a 450-node cluster, the following query takes 3 minutes to respond:
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/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
The following query (only one metric) took 2.7 minutes:
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/services?fields=components/ServiceComponentInfo,components/host_components,components/host_components/HostRoles,components/host_components/metrics/jvm/memHeapUsedM
Note that the same query without the metrics only takes about 4 seconds:
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/services?fields=components/ServiceComponentInfo,components/host_components,components/host_components/HostRoles
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