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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-11541) Dynamic columns and indexes can be lost after the cluster restart
Date Mon, 25 Mar 2019 11:35:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-11541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16800589#comment-16800589
] 

Vladimir Ozerov commented on IGNITE-11541:
------------------------------------------

[~agoncharuk], patch looks good to me.

> Dynamic columns and indexes can be lost after the cluster restart
> -----------------------------------------------------------------
>
>                 Key: IGNITE-11541
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11541
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache, persistence, sql
>    Affects Versions: 2.7
>            Reporter: Roman Guseinov
>            Assignee: Alexey Goncharuk
>            Priority: Critical
>             Fix For: 2.8
>
>         Attachments: StaticCacheAndDdlReproducer.java
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The case is the following:
> # Run a server node (persistence enabled. static cache configuration with queryEnities).
> # Add/drop column/index via DDL.
> # Restart the node with the same configuration.
> # The changes are lost...
> It seems the issue is related to merging cache metadata.
> There are some workarounds:
> # Remove/comment cache configuration. After the restart, the metadata will be loaded
from the persistence store. This will work for a rolling restart.
> # Make the same changes in the configuration (update queryEntity). It requires the whole
cluster restart.
> Reproducer is attached.



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