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https://issues.apache.org/jira/browse/IGNITE-19547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17727109#comment-17727109
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Semyon Danilov commented on IGNITE-19547:
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The patch looks good to me.
> Switch index IDs from UUID to int
> ---------------------------------
>
> Key: IGNITE-19547
> URL: https://issues.apache.org/jira/browse/IGNITE-19547
> Project: Ignite
> Issue Type: Improvement
> Reporter: Roman Puchkovskiy
> Assignee: Kirill Tkalenko
> Priority: Major
> Labels: ignite-3
> Fix For: 3.0.0-beta2
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, as indices are stored as named list items in the Configuration,
> they are internally (to the configuration) identified by UUIDs. The same
> UUIDs are also used to identify indices in the whole system.
> We need to change the latter: that is, in addition to the internal IDs
> (needed only for configuration), we need to generate integer IDs and use them
> in the rest of the system to identify indices.
> For now, index IDs should be generated using same global counter that will be
> used to generate table and zone IDs.
> Internal IDs will remain until we switch from storing tables/indices/zones in
> the Configuration to storing them in the Catalog (this is out of scope of
> this task).
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