[jira] [Commented] (IGNITE-12994) Move binary metadata to PDS storage folder

["Ignite TC Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-12994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17132980#comment-17132980 ] 

Ignite TC Bot commented on IGNITE-12994:
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{panel:title=Branch: [pull/7792/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
[TeamCity *--> Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=5375392&buildTypeId=IgniteTests24Java8_RunAll]

> Move binary metadata to PDS storage folder
> ------------------------------------------
>
>                 Key: IGNITE-12994
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12994
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Semyon Danilov
>            Assignee: Semyon Danilov
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Move binary metadata to PDS storage folder
> Motivation: On K8s deployment disk that is attached to container can not be accessible from other containers or outside of K8s. In case if support will need to drop persistence except data, there will be no way to recover due to binary metadata is required to process PDS files
> Current PDS files that are required to restore data:
>  * {WORK_DIR}/db/\{nodeId}
>  * {WORK_DIR}/db/wal/\{nodeId}
>  * {WORK_DIR}/db/wal/archive/\{nodeId}
> Proposed implementation:
> If binary meta is already located at \{WORK_DIR}/db then start using it
> If no metadata been detected via new path then:
>  # Check previous location
>  # Copy metadata files to a new location
>  # Delete previous binary metadata



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