[infinispan-issues] [JBoss JIRA] (ISPN-10574) Off Heap iteration performance improvements

[Pedro Zapata Fernandez (Jira)]

     [ https://issues.redhat.com/browse/ISPN-10574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pedro Zapata Fernandez updated ISPN-10574:
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    Sprint: DataGrid Sprint #34, DataGrid Sprint #35, DataGrid Sprint #36, DataGrid Sprint #37, DataGrid Sprint #38, DataGrid Sprint #39  (was: DataGrid Sprint #34, DataGrid Sprint #35, DataGrid Sprint #36, DataGrid Sprint #37, DataGrid Sprint #38)


> Off Heap iteration performance improvements
> -------------------------------------------
>
>                 Key: ISPN-10574
>                 URL: https://issues.redhat.com/browse/ISPN-10574
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Off Heap
>    Affects Versions: 10.0.0.CR1
>            Reporter: Will Burns
>            Assignee: Will Burns
>            Priority: Major
>             Fix For: 10.0.0.CR3, 10.0.0.Final
>
>
> When testing out some things it was found that an off heap cache with a single entry compared to an object one takes significantly longer for state transfer. Off Heap can be improved to make iteration faster and thus improve things like state transfer.
> # Off Heap entries are stored using modulus for locks. This causes iteration to not access entries sequentially as well as having to acquire the same lock many times over.
> # Off Heap should optimize code paths that can be short circuited (ie. don't create stream if size is 0)



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