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From "Andrey Gura (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (IGNITE-1016) Add excludeNeighbors and backupFilter to FairAffinityFunction
Date Thu, 30 Jul 2015 10:52:04 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14647459#comment-14647459
] 

Andrey Gura edited comment on IGNITE-1016 at 7/30/15 10:51 AM:
---------------------------------------------------------------

Dmitry, the import part of Valentin's comments is "when possible". Current implementation
of {{RendezvousAffinityFunction}} tries to assign partitions to backups that deployed to different
hosts, but if it is impossible then node on the same host can be assigned as backup to the
partition.

So I think that {{excludeNeighbors}} with default value {{true}} it's good idea for all affinity
functions.


was (Author: agura):
Dmitry, the import part of Valentin's comments is "when possible". Current implementation
of {{RendezvousAffinityFunction}} tries to assign partitions to backups that deployed to different
hosts, but if it is impossible then node on the same host can be assigned as backup to the
partition.

So I think that {{excludeNeighbors}} with default value {{true}} it is good idea.

> Add excludeNeighbors and backupFilter to FairAffinityFunction
> -------------------------------------------------------------
>
>                 Key: IGNITE-1016
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1016
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: sprint-4
>            Reporter: Valentin Kulichenko
>            Assignee: Andrey Gura
>              Labels: Usability
>             Fix For: sprint-7
>
>
> These properties are currently available only for {{RendezvousAffinityFunction}}.



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