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https://issues.apache.org/jira/browse/IGNITE-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov updated IGNITE-2288:
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Issue Type: Task (was: Sub-task)
Parent: (was: IGNITE-2232)
> F.first(Collection) should use index-based lookup for Lists.
> ------------------------------------------------------------
>
> Key: IGNITE-2288
> URL: https://issues.apache.org/jira/browse/IGNITE-2288
> Project: Ignite
> Issue Type: Task
> Components: general
> Affects Versions: ignite-1.4
> Reporter: Vladimir Ozerov
> Assignee: Vladimir Ozerov
> Labels: performance
> Fix For: 1.6
>
>
> There are lots of places in code where F.first(Collection) is used. Quite
> often passed collection is a List.
> Instead of gettting iterator, we should do "get(0)" in these cases. This will
> allow us to prevent iterator creation.
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