[jira] [Updated] (CAMEL-19060) Scalability ceiling

["Otavio Rodolfo Piske (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-19060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Otavio Rodolfo Piske updated CAMEL-19060:
-----------------------------------------
    Attachment: perf-stats.txt

> Scalability ceiling
> -------------------
>
>                 Key: CAMEL-19060
>                 URL: https://issues.apache.org/jira/browse/CAMEL-19060
>             Project: Camel
>          Issue Type: Task
>    Affects Versions: 3.18.5, 4.0-M1
>            Reporter: Otavio Rodolfo Piske
>            Assignee: Otavio Rodolfo Piske
>            Priority: Major
>         Attachments: perf-stats.txt
>
>
> When using the Seda producer/consumer on a large core count machine, it seems that Camel's throughput peak at around 9 producer / 9 consumer threads and after that starts to decrease [1]. This seems to indicate some kind of coherence issue - the cost to keep the threads coherent exceeds the system's ability to handle the load / use the system's free capacity.
>  
> 1. This, of course, taking in consideration that the thread pool had been adjusted and the machine has enough capacity. Both of which were true.



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