[jboss-jira] [JBoss JIRA] (JGRP-1765) TP: enable loopback by default and discard own multicasts
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https://issues.jboss.org/browse/JGRP-1765?page=com.atlassian.jira.plugin....
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Bela Ban commented on JGRP-1765:
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Perhaps we can get rid of the copy of the message when looping it back up. However, we
need to take care of concurrent access to the headers, e.g. when the message is sent down
on the original thread, headers may get added, but the newly spawned thread looping the
message back up might access the headers at the same time. The headers (Headers) are not
synchronized.
TP: enable loopback by default and discard own multicasts
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Key: JGRP-1765
URL: https://issues.jboss.org/browse/JGRP-1765
Project: JGroups
Issue Type: Enhancement
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 3.5
Enable {{TP.looback}} by default (deprecate and ignore prop): all messages sent by self
are passed right to a thread pool to send them up again.
When a multicast message sent by self is received, it is currently passed to a thread
pool, de-serialized and only then discarded if loopback=true. This means that we create an
unneeded buffer for de-serializationand perform de-serialization.
SOLUTION: discard the multicast from self immediately when receiving it, in
{{TP.receive()}}
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