[jboss-jira] [JBoss JIRA] (JGRP-1717) Bundling reduces performance in scenario mimicking Inifinispan

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933739#comment-12933739 ] 

Bela Ban commented on JGRP-1717:
--------------------------------

Tested perf with UnicastTest (measures throughput *not* latency)
Environment:
- cluster-xx lab, 1Gbps network (~125MB/sec)
- 2 nodes: sender on cluster01 and receiver on cluster02
- fast.xml with ip_ttl=1
-- ignore_dont_bundle=true (default)
- Sending 100'000 1K messages

Perf was measured with bundler_type
* {{sender-sends-with-timer}} (SSWT)
* {{transfer-queue}} (TQ)
* {{sender-sends}} (SS)
* Using {{DONT_BUNDLE}} (+B) or off (-B)


|| sender threads || SSWT (-B) || SSWT (+B) || TQ (-B) || TQ (+B) || SS (-B) || SS (+B) ||
|   1 |  70 | 120 | 120 | 120 |  73 |  73 |
|   4 | 77 |  112 | 120 | 120 | 120 | 120 |
| 10 | 75 | 108 | 120 | 120 | 120 | 120 |
| 25 | 75 | 100 | 120 | 120 | 120 | 120 |
                
> Bundling reduces performance in scenario mimicking Inifinispan
> --------------------------------------------------------------
>
>                 Key: JGRP-1717
>                 URL: https://issues.jboss.org/browse/JGRP-1717
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.3
>            Reporter: Radim Vansa
>            Assignee: Bela Ban
>             Fix For: 3.5
>
>         Attachments: benchmark-jgroups.xml, jgroups-udp.pdf, jgroups-udp.xml
>
>
> In Radargun benchmark of JGroups mimicking the behaviour of Infinispan we can see that performance with bundling on actually reduces the performance.
> See attached configurations and results.

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