[JBoss JIRA] (JGRP-1980) Improve throughput under contention for FlowControl.Credit
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[
https://issues.jboss.org/browse/JGRP-1980?page=com.atlassian.jira.plugin....
]
Bela Ban commented on JGRP-1980:
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There's very little contention: mainly on the sender side, between sender threads
decrementing (and possibly blocking) credits and credits getting refilled. Sender threads
also contend with other sender threads.
If this turns out to be a major bottleneck, we can always revisit it.
Improve throughput under contention for FlowControl.Credit
----------------------------------------------------------
Key: JGRP-1980
URL: https://issues.jboss.org/browse/JGRP-1980
Project: JGroups
Issue Type: Enhancement
Affects Versions: 3.6.6
Reporter: Sanne Grinovero
Assignee: Bela Ban
Fix For: 3.6.8
Attachments: bla.java
The methods {{org.jgroups.protocols.FlowControl.Credit.decrementIfEnoughCredits(long,
long)}} and {{org.jgroups.protocols.FlowControl.Credit.decrementAndGet(long)}} are
contending the locks on class synchronization when stress testing JGroups.
Wondering if we can think of polishing the implementation, although it looks like
challenging.
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Bela Ban (JIRA)