[jbossts-issues] [JBoss JIRA] (JBTM-1494) Produce performance figures to show performance improvements of Compensations over ACID

[Paul Robinson (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12813781#comment-12813781 ] 

Paul Robinson commented on JBTM-1494:
-------------------------------------

I don't think "performance" is the right term to use here. I think I really mean "scalability".

I was thinking about taking an example where a service (backed by a DB) is part of a distributed transaction. In the ACID case, the throughput would be limited due to the locking of contended data. In the compensations case, the locking window would be reduced and (hopefully) the throughput would increase.

This issue fell under the remit of showing the community why they would chose to use compensating-transactions. 

                
> Produce performance figures to show performance improvements of Compensations over ACID
> ---------------------------------------------------------------------------------------
>
>                 Key: JBTM-1494
>                 URL: https://issues.jboss.org/browse/JBTM-1494
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Performance Testing, XTS
>            Reporter: Paul Robinson
>            Assignee: Paul Robinson
>             Fix For: 6.0.0.Final
>
>
> As part of evangelising compensations, it would be useful to show performance comparisons for different classes of applications. 
> Ideally, these results should show that that, for certain classes of applications, the performance of a compensation-based transaction is a lot better than for an ACID transaction.

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