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Posted to dev@ambari.apache.org by "Siddharth Wagle (JIRA)" <ji...@apache.org> on 2013/02/22 00:58:12 UTC
[jira] [Created] (AMBARI-1465) Minimize Read and Write locks for
createHosts
Siddharth Wagle created AMBARI-1465:
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Summary: Minimize Read and Write locks for createHosts
Key: AMBARI-1465
URL: https://issues.apache.org/jira/browse/AMBARI-1465
Project: Ambari
Issue Type: Bug
Components: controller
Affects Versions: 1.2.2
Reporter: Siddharth Wagle
Assignee: Siddharth Wagle
Fix For: 1.3.0
Invocation count and exec time for ClustersImpl.mapHostToCluser very high
org.apache.ambari.server.state.cluster.ClustersImpl.mapHostToCluster(String, String)
Time(ms): 252,925
Avg Time(ms): 5,269
Own Time(ms): 211
Invocation Count: 48
Each time host is mapped to cluster we refresh the entity manager. This results in the createHosts call taking excess of 10 minutes
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