[jboss-jira] [JBoss JIRA] (JGRP-1662) Remove flow control and fragmentation if run on TCP transport
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https://issues.jboss.org/browse/JGRP-1662?page=com.atlassian.jira.plugin....
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Bela Ban commented on JGRP-1662:
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Changed thread pool config: a high queue size led to a high number of 70k messages getting
queued, which was the reason for the OOMEs. Adjusted min_size to 4 and set the queue size
to 1000. However, numbers went up to 79MB/sec/node, compared to 87MB/sec/node for the old
config (+MFC +FRAG2).
Remove flow control and fragmentation if run on TCP transport
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Key: JGRP-1662
URL: https://issues.jboss.org/browse/JGRP-1662
Project: JGroups
Issue Type: Enhancement
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 3.3.4, 3.4
When run with a TCP transport, we don't need MFC and FRAG(2). However, if we remove
FRAG2, the bundler at the transport will drop a message if it exceeds max_bundle_size.
Let's therefore bypass message bundling when the transport is TCP (TCP has its own
batching).
TODO: measure how this change affects performance on a 4 node cluster. If positive,
commit it.
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