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https://issues.apache.org/jira/browse/AMBARI-11528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14564927#comment-14564927
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Hudson commented on AMBARI-11528:
---------------------------------

FAILURE: Integrated in Ambari-trunk-Commit #2749 (See 
[https://builds.apache.org/job/Ambari-trunk-Commit/2749/])
AMBARI-11528 AlertReceivedListener produces large number of db requests (dsen) 
(dsen: 
http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=a48150ff2f678439054e9f86dd864ca02eff8d43)
* 
ambari-server/src/test/java/org/apache/ambari/server/alerts/AgentHeartbeatAlertRunnableTest.java
* 
ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClustersImpl.java
* 
ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java
* 
ambari-server/src/test/java/org/apache/ambari/server/alerts/StaleAlertRunnableTest.java
* 
ambari-server/src/main/java/org/apache/ambari/server/events/publishers/AlertEventPublisher.java
* 
ambari-server/src/test/java/org/apache/ambari/server/state/alerts/AlertStateChangedEventTest.java
* 
ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertStateChangedListener.java
* 
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/AlertResourceProviderTest.java
* ambari-server/src/main/java/org/apache/ambari/server/state/Clusters.java
* ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java
* 
ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertDispatchDAO.java
* 
ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java


> AlertReceivedListener produces large number of db requests
> ----------------------------------------------------------
>
>                 Key: AMBARI-11528
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11528
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>            Priority: Critical
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11528.patch
>
>
> In 5-min snapshot processing of onAlertEvent method took ~94 seconds 
> producing 46k commits and almost same amount of db requests (~equally split 
> between alert_history and alert_definition tables)
> this can be related to large amount to alerts, but it should be addressed as 
> we can have even more alerts on larger clusters, and it can be caused by a 
> single thread only for all listeners, so there's possible bottleneck here.



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