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From "Ilya Kasnacheev (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-11745) Rebalancing overwhelmingly prefers some supplier nodes to others
Date Tue, 16 Apr 2019 13:09:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-11745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Ilya Kasnacheev updated IGNITE-11745:
    Ignite Flags: Docs Required

> Rebalancing overwhelmingly prefers some supplier nodes to others
> ----------------------------------------------------------------
>                 Key: IGNITE-11745
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11745
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: 2.7
>            Reporter: Ilya Kasnacheev
>            Assignee: Ilya Kasnacheev
>            Priority: Critical
>          Time Spent: 10m
>  Remaining Estimate: 0h
> When cache has backups, and you add third node to cluster, Ignite will only rebalance
data from single node.
> When you add n-th node, Ignite will not rebalance from some nodes and it will pull 10x
as much data from some nodes than from others.
> This is because we filter static nodes list by partition availability and then pick the
first one. Overwhelmingly it is the first nodes in list and nodes towards the end of list
will never get to supply partitions.

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