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https://issues.apache.org/jira/browse/IGNITE-27187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vsevolod Kovalev resolved IGNITE-27187.
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Resolution: Duplicate
> IndexQuery: support querying backup partitions for an explicit partition
> ------------------------------------------------------------------------
>
> Key: IGNITE-27187
> URL: https://issues.apache.org/jira/browse/IGNITE-27187
> Project: Ignite
> Issue Type: New Feature
> Reporter: Vsevolod Kovalev
> Assignee: Vsevolod Kovalev
> Priority: Major
> Fix For: 2.18
>
>
> Today IndexQuery always filters results to primary partitions via
> `IndexingQueryFilter`. This prevents using IndexQuery as a lower-level tool
> to scan a backup copy of a given partition (e.g. for diagnostics,
> verification, or experiments with backup-only reads).
> We should investigate and prototype a mode where, for an explicitly specified
> partition, IndexQuery can be directed to run on a backup replica instead of
> the primary.
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