[jira] [Resolved] (IGNITE-9185) Collect and check update counters visited during WAL rebalance

["Alexei Scherbakov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-9185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexei Scherbakov resolved IGNITE-9185.
---------------------------------------
    Resolution: Fixed

Broken recovery will be fixed by linked ticket.

> Collect and check update counters visited during WAL rebalance
> --------------------------------------------------------------
>
>                 Key: IGNITE-9185
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9185
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: 2.5
>            Reporter: Pavel Kovalenko
>            Assignee: Pavel Kovalenko
>            Priority: Critical
>             Fix For: 2.7
>
>
> Currently we don't check what update counters we visit during WAL iteration and what data we send to a demander node. There can be situation, that we met last requested update counter in WAL and stop rebalance process, while due to possible DataRecord's reordering we miss some updates after.
> If rebalance process breaks due to end of WAL, but not all data records were visit, we can easily check what records are missed, cancel rebalance and print useful information to log for further debug.



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