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https://issues.apache.org/jira/browse/BOOKKEEPER-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229135#comment-13229135
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Hudson commented on BOOKKEEPER-168:
-----------------------------------

Integrated in bookkeeper-trunk #404 (See 
[https://builds.apache.org/job/bookkeeper-trunk/404/])
    BOOKKEEPER-168: Message bounding on subscriptions (ivank) (Revision 1300510)

     Result = UNSTABLE
ivank : 
Files : 
* /zookeeper/bookkeeper/trunk/CHANGES.txt
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/inc/hedwig/client.h
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/inc/hedwig/subscribe.h
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/lib/client.cpp
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/lib/data.cpp
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/lib/data.h
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/lib/subscriberimpl.cpp
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/lib/subscriberimpl.h
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/log4cpp.conf
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/scripts/log4cxx.conf
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/scripts/tester.sh
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/test/Makefile.am
* /zookeeper/bookkeeper/trunk/hedwig-client/src/main/cpp/test/main.cpp
* 
/zookeeper/bookkeeper/trunk/hedwig-client/src/main/java/org/apache/hedwig/client/api/Subscriber.java
* 
/zookeeper/bookkeeper/trunk/hedwig-client/src/main/java/org/apache/hedwig/client/conf/ClientConfiguration.java
* 
/zookeeper/bookkeeper/trunk/hedwig-client/src/main/java/org/apache/hedwig/client/data/PubSubData.java
* 
/zookeeper/bookkeeper/trunk/hedwig-client/src/main/java/org/apache/hedwig/client/netty/HedwigSubscriber.java
* 
/zookeeper/bookkeeper/trunk/hedwig-protocol/src/main/java/org/apache/hedwig/protocol/PubSubProtocol.java
* 
/zookeeper/bookkeeper/trunk/hedwig-protocol/src/main/protobuf/PubSubProtocol.proto
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/persistence/BookkeeperPersistenceManager.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/persistence/LocalDBPersistenceManager.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/persistence/PersistenceManager.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/persistence/ReadAheadCache.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/regions/HedwigHubSubscriber.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/main/java/org/apache/hedwig/server/subscriptions/AbstractSubscriptionManager.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/test/java/org/apache/hedwig/server/persistence/MessageBoundedPersistenceTest.java
* 
/zookeeper/bookkeeper/trunk/hedwig-server/src/test/java/org/apache/hedwig/server/persistence/StubPersistenceManager.java

                
> Message bounding on subscriptions
> ---------------------------------
>
>                 Key: BOOKKEEPER-168
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-168
>             Project: Bookkeeper
>          Issue Type: New Feature
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: 4.1.0
>
>         Attachments: BOOKKEEPER-168.diff, BOOKKEEPER-168.diff, 
> BOOKKEEPER-168.diff
>
>
> In hedwig, messages for a subscription will queue up forever if the 
> subscriber is offline. In some usecases, this is undesirable, as it will 
> eventually mean resource exhaustion. In this JIRA we propose an optional 
> change to the subscription contract, which allows the user to set a bound on 
> the number of messages which will be queued for its subscription while it is 
> offline.

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