Siddharth Wagle created AMBARI-21898:
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Summary: Property provider in-memory maps are refreshed too slowly
after config updates
Key: AMBARI-21898
URL: https://issues.apache.org/jira/browse/AMBARI-21898
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.0.0
Reporter: Siddharth Wagle
Assignee: Siddharth Wagle
Priority: Critical
Fix For: 2.6.0
Building the hostComponentMap map for ProviderModule seems does unnecessary
computation going through the ResourceProvider layer. On every configuration
update, we call the reset on these maps which takes a long time to refresh.
Instead, relying on
org.apache.ambari.server.state.cluster.ClusterImpl#serviceComponentHosts will
lead to faster computation without overhead like stale config calculations for
every SCH.
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