[jira] [Resolved] (SLIDER-965) RoleHistory to (carefully) share RoleStatus instances with AppState

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLIDER-965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved SLIDER-965.
-----------------------------------
    Resolution: Fixed

> RoleHistory to (carefully) share RoleStatus instances with AppState
> -------------------------------------------------------------------
>
>                 Key: SLIDER-965
>                 URL: https://issues.apache.org/jira/browse/SLIDER-965
>             Project: Slider
>          Issue Type: Sub-task
>          Components: appmaster
>    Affects Versions: Slider 0.90
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>             Fix For: Slider 0.90
>
>
> Move the {{RoleHistory}} beyond simple read-time {{ProviderRole}} information, to sharing the map of RoleStatus entries with {{AppState}}.
> This involves improving the concurrency of the class. The plan is to move all integer counters in {{RoleState}} into the atomic {{LongGauge}} fields, with some downcoversion to integers at the last moment possible.



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