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Posted to issues@ambari.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2017/09/07 02:40:00 UTC
[jira] [Commented] (AMBARI-21898) Property provider in-memory maps
are refreshed too slowly after config updates
[ https://issues.apache.org/jira/browse/AMBARI-21898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156348#comment-16156348 ]
Hudson commented on AMBARI-21898:
---------------------------------
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #8010 (See [https://builds.apache.org/job/Ambari-trunk-Commit/8010/])
AMBARI-21898. Property provider in-memory maps are refreshed too slowly (swagle: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=8cb942393ce15efb5f6fbc9f594287c30971c296])
* (edit) ambari-server/src/main/java/org/apache/ambari/server/state/Cluster.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractProviderModule.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
> 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
>
> Attachments: AMBARI-21898.patch
>
>
> 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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