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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-9417) Allow daemons to terminate when they finish iterating a topic
Date Mon, 17 Oct 2016 18:56:58 GMT

     [ https://issues.apache.org/jira/browse/SOLR-9417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joel Bernstein updated SOLR-9417:
---------------------------------
    Summary: Allow daemons to terminate when they finish iterating a topic  (was: Allow daemons
to terminate)

> Allow daemons to terminate when they finish iterating a topic
> -------------------------------------------------------------
>
>                 Key: SOLR-9417
>                 URL: https://issues.apache.org/jira/browse/SOLR-9417
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>             Fix For: 6.3
>
>         Attachments: SOLR-9417.patch, SOLR-9417.patch
>
>
> The daemon expression currently runs until it's killed. This ticket will add a new *terminate*
parameter to the daemon expression that will allow the daemon to shut itself down when it's
finished processing a topic.
> There are a couple of small changes that need to be made to allow the daemon to terminate
on it's own:
> 1) The daemon will need to be passed the Map of all daemons in the /stream handler. This
will allow the DaemonStream to remove itself from the Map when it terminates.
> 2) Logic needs to be added for the daemon to exit it's run loop if the topic signals
it had a zero Tuple run. The *sleepMillis* value in the EOF Tuple can be used for this purpose.
If sleepMillis is greater then 0 then this signals a zero Tuple run.



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