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https://issues.apache.org/jira/browse/LUCENE-9353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17130389#comment-17130389
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Adrien Grand commented on LUCENE-9353:
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I went a bit further on the PR and also moved metadata of the FST to the
metadata file too. This helps avoid doing O(numFields) seeks when opening a
reader, like we did for points at LUCENE-9148.
> Move metadata of the terms dictionary to its own file
> -----------------------------------------------------
>
> Key: LUCENE-9353
> URL: https://issues.apache.org/jira/browse/LUCENE-9353
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Currently opening a terms index requires jumping to the end of the terms
> index and terms dictionaries to decode some metadata such as sumTtf or file
> pointers where information for a given field is located. It'd be nicer to
> have it in a separate file, which would also have the benefit of letting us
> verify checksums for this part of the content.
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