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https://issues.apache.org/jira/browse/IGNITE-5962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780982#comment-16780982
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Pavel Kuznetsov commented on IGNITE-5962:
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In short, I calculate max number of possible added characters during name
masking. It allows us to say that particular index name will be ok after
masking, even in worst case: we have cache group, type and segment ids are
negative ints (11 singns in string representation). In practice limit of
not-yet-masked name is 211 utf8 bytes.
> Increase max length of index name
> ---------------------------------
>
> Key: IGNITE-5962
> URL: https://issues.apache.org/jira/browse/IGNITE-5962
> Project: Ignite
> Issue Type: Improvement
> Components: general, sql
> Affects Versions: 2.1
> Reporter: Ilya Lantukh
> Assignee: Pavel Kuznetsov
> Priority: Major
>
> In https://issues.apache.org/jira/browse/IGNITE-5941 max index name length
> was reduced from 768 to 256 bytes. If we need to support longer names, we
> need to change format of metastore data pages.
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