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From "Ilya Lantukh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-8610) Searching checkpoint / WAL history for rebalancing is not properly working in case of local/global WAL disabling
Date Mon, 04 Jun 2018 13:54:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-8610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500245#comment-16500245
] 

Ilya Lantukh commented on IGNITE-8610:
--------------------------------------

Looks good.

> Searching checkpoint / WAL history for rebalancing is not properly working in case of
local/global WAL disabling
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-8610
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8610
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: 2.5
>            Reporter: Pavel Kovalenko
>            Assignee: Pavel Kovalenko
>            Priority: Major
>             Fix For: 2.6
>
>
> After implementation IGNITE-6411 and IGNITE-8087 we can face with situation when after
some checkpoint, WAL was temporarily disabled and enabled again. In this case we can't treat
that checkpoint as start point to rebalance, because WAL history after such checkpoint may
contain gaps.
> We should rework our checkpoint / wal history searching mechanism and ignore such checkpoints.



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