[jbossts-issues] [JBoss JIRA] (JBTM-2180) Determine whether or not we should use a specific collections framework

[Michael Musgrove (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-2180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12968987#comment-12968987 ] 

Michael Musgrove commented on JBTM-2180:
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Initially we should profile which collections are suitable candidates to be replaced. My guess is that _transactions  ConcurrentHashMap in TransactionImple could benefit from such a change.

> Determine whether or not we should use a specific collections framework
> -----------------------------------------------------------------------
>
>                 Key: JBTM-2180
>                 URL: https://issues.jboss.org/browse/JBTM-2180
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: JTA, JTS, Performance Testing, REST, Transaction Core
>    Affects Versions: 5.0.1
>            Reporter: Mark Little
>            Assignee: Michael Musgrove
>
> We use many of the inbuilt collections implementations (such as Hashtable) which are well known to be suboptimal in certain cases. Should be use a separate collections framework, e.g., https://github.com/goldmansachs/gs-collections
> There are pros and cons of doing this. But first we need to determine whether it really makes sense from a performance perspective.



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