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https://issues.apache.org/jira/browse/LUCENE-9450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17382366#comment-17382366
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Gautam Worah edited comment on LUCENE-9450 at 7/16/21, 10:03 PM:
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Hi [~mayya] , I had looked at that test briefly when it was disabled.
So, for now, I could modify the test so that it checks that the previously
indexed StoredFields based field, can be read (and not modified).
But the larger concern, is that with this LUCENE-9334 change, a user won't be
able to add docs with the new Lucene 9.0 version without reindexing (if they
have taxonomy fields that were previously indexed with an older Lucene version).
was (Author: gworah):
Hi [~mayya] , I had looked at that test briefly when it was disabled.
So, for now, I could modify the test so that it checks that the previously
indexed StoredFields based field, can be read (and not modified).
But the larger concern, is that with this [LUCENE-9334] change, a user won't be
able to add docs with the new Lucene 9.0 version without reindexing (if they
have fields that were previously indexed with an older Lucene version).
> Taxonomy index should use DocValues not StoredFields
> ----------------------------------------------------
>
> Key: LUCENE-9450
> URL: https://issues.apache.org/jira/browse/LUCENE-9450
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Affects Versions: 8.5.2
> Reporter: Gautam Worah
> Priority: Minor
> Labels: performance
> Fix For: main (9.0)
>
> Attachments: LUCENE-9450-localrun.py-v1, wip_taxonomy_patch
>
> Time Spent: 3h 50m
> Remaining Estimate: 0h
>
> The taxonomy index that maps binning labels to ordinals was created before
> Lucene added BinaryDocValues.
> I've attached a WIP patch (does not pass tests currently)
> Issue suggested by [~mikemccand]
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