[jboss-jira] [JBoss JIRA] (JGRP-155) TP.loopback should always be used
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https://issues.jboss.org/browse/JGRP-155?page=com.atlassian.jira.plugin.s...
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Bela Ban commented on JGRP-155:
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The reason for the perf degradation is probably that we loop back messages *individually*,
e.g. if A multicasts 1000 messages, TP.loopback=true will use 1 thread / message.
SOLUTION: we should move the loopback handling after the bundling code, so that
looped-backed messages are bundled (batched) as well. This way, we'll use fewer
threads to handled looped backed messages.
TP.loopback should always be used
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Key: JGRP-155
URL: https://issues.jboss.org/browse/JGRP-155
Project: JGroups
Issue Type: Task
Affects Versions: 2.2.8, 2.2.9
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 3.x
Investigate the 3 potential problem areas below:
- Memory leak caused by FC when credits are received too quickly
- Deadlocks caused by same threads calling themselves (e.g. VIEW_OK ack msgs)
- Preemption doesn't work: Scheduler is meaningless here
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