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https://issues.apache.org/jira/browse/RYA-443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16364613#comment-16364613
 ] 

ASF GitHub Bot commented on RYA-443:
------------------------------------

Github user kchilton2 commented on a diff in the pull request:

    https://github.com/apache/incubator-rya/pull/272#discussion_r168276101
  
    --- Diff: 
extras/rya.streams/kafka/src/main/java/org/apache/rya/streams/kafka/KafkaTopics.java
 ---
    @@ -48,7 +51,28 @@
          */
         public static String queryChangeLogTopic(final String ryaInstance) {
             requireNonNull(ryaInstance);
    -        return ryaInstance + "-QueryChangeLog";
    +        return ryaInstance + QUERY_CHANGE_LOG_TOPIC_SUFFIX;
    +    }
    +
    +    /**
    +     * Get the Rya instance name from a Kafka topic name that has been 
used for a {@link QueryChnageLog}.
    --- End diff --
    
    Done.


> Implement a single node query manager
> -------------------------------------
>
>                 Key: RYA-443
>                 URL: https://issues.apache.org/jira/browse/RYA-443
>             Project: Rya
>          Issue Type: Task
>            Reporter: Andrew Smith
>            Assignee: Kevin Chilton
>            Priority: Major
>
> We need an application that watches the QueryChangeLog to see when the 
> isActive state of queries changes and then reacts to the state change. If 
> isActive goes to true, the system must start processing the query. If it is 
> false, then it must stop processing the query. This application needs to 
> start when the host machine starts. We plan to support CentOS 7.



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