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Posted to issues@ignite.apache.org by "Alexei Scherbakov (JIRA)" <ji...@apache.org> on 2019/02/07 11:52:00 UTC

[jira] [Commented] (IGNITE-10920) Optimize HistoryAffinityAssignment heap usage.

    [ https://issues.apache.org/jira/browse/IGNITE-10920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16762594#comment-16762594 ] 

Alexei Scherbakov commented on IGNITE-10920:
--------------------------------------------

[~kbolyandra]

I've noticed some unremoved debug code in HistoryAffinityAssignment, please remove.

> Optimize HistoryAffinityAssignment heap usage.
> ----------------------------------------------
>
>                 Key: IGNITE-10920
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10920
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Alexei Scherbakov
>            Assignee: Konstantin Bolyandra
>            Priority: Major
>             Fix For: 2.8
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> With large topology and large amount of caches/partitions many server discovery events may quickly produce large affinity history, eating gigabytes of heap.
> Solution: implement some kind of a compression for affinity cache map.
> On example, affinity history could be stored as delta to some previous version.
>  



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