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Posted to issues@ambari.apache.org by "Siddharth Wagle (JIRA)" <ji...@apache.org> on 2017/09/06 21:12:00 UTC

[jira] [Created] (AMBARI-21898) Property provider in-memory maps are refreshed too slowly after config updates

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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