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Posted to commits@activemq.apache.org by ch...@apache.org on 2012/12/17 17:47:24 UTC
svn commit: r1423015 -
/activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md
Author: chirino
Date: Mon Dec 17 16:47:23 2012
New Revision: 1423015
URL: http://svn.apache.org/viewvc?rev=1423015&view=rev
Log:
Fixing up APLO-280: Clarification about message groups
Modified:
activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md
Modified: activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md
URL: http://svn.apache.org/viewvc/activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md?rev=1423015&r1=1423014&r2=1423015&view=diff
==============================================================================
--- activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md (original)
+++ activemq/activemq-apollo/trunk/apollo-website/src/documentation/stomp-manual.md Mon Dec 17 16:47:23 2012
@@ -560,9 +560,8 @@ Message Groups are an enhancement to the
Message Groups are logically like a parallel Exclusive Consumer. Rather
than all messages going to a single consumer, the stomp `message_group` header
is used to define which message group the message belongs to. The Message Group feature
-then ensures that all messages for the same message group will be sent to the same
-consumer - while that consumer stays alive. As soon as the consumer dies another
-will be chosen.
+then ensures that all messages for the same message group will be sent to only 1 consumer
+at time.
Another way of explaining Message Groups is that it provides sticky load balancing
of messages across consumers; where the message group value is kinda like a HTTP
@@ -577,9 +576,9 @@ Here is an example message with the mess
PO145
^@
-The broker uses consistent hashing to map message groups to consumers. When you another
+The broker uses consistent hashing to map message groups to consumers. When you add another
subscription to a queue, the broker will first wait for messages sent to previous subscriptions
-to be processed and then the broker rebalances the message groups across consumers.
+to be processed and then the broker rebalances the message groups across the attached consumers.
### Temporary Destinations