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From "Venkatesh Seetharam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-697) Messaging improvements
Date Mon, 22 Sep 2014 21:02:34 GMT

    [ https://issues.apache.org/jira/browse/FALCON-697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143815#comment-14143815
] 

Venkatesh Seetharam commented on FALCON-697:
--------------------------------------------

I also observed one more issue that could be addressed: Listeners are called with in the activemq
threads, instead we probably should have our own thread pool and release activemq threads.

{code}
2014-09-22 12:07:24,585 INFO  - [ActiveMQ Session Task:] ~ Logging in ambari-qa (CurrentUser:62)
2014-09-22 12:07:24,588 INFO  - [ActiveMQ Session Task:] ~ Late date handling not applicable
for entityType: FEED, entityName: clicks-feed operation: DELETE (LateRerunHandler:224)
2014-09-22 12:07:24,590 INFO  - [ActiveMQ Session Task:] ~ Adding lineage for context WorkflowExecutionContext{{brokerImplClass=org.apache.activemq.ActiveMQConnectionFactory,
entityName=clicks-feed, feed
{code}

> Messaging improvements
> ----------------------
>
>                 Key: FALCON-697
>                 URL: https://issues.apache.org/jira/browse/FALCON-697
>             Project: Falcon
>          Issue Type: Improvement
>            Reporter: Shwetha G S
>            Assignee: Suma Shivaprasad
>
> 1. In eviction, we send 1 message for every path deleted to user topic. We can send 1
message with list of paths instead. I guess this applies to replication and process as well
> 2. In eviction, we don't send any jms message to falcon topic. Some listeners may be
interested in this as well



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