[jira] [Resolved] (LUCENE-7972) DirectoryTaxonomyReader should implement Accountable

["Michael McCandless (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-7972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-7972.
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    Resolution: Fixed

> DirectoryTaxonomyReader should implement Accountable
> ----------------------------------------------------
>
>                 Key: LUCENE-7972
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7972
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 7.1, master (8.0)
>
>         Attachments: LUCENE-7972.patch
>
>
> This class is a concrete instance of {{TaxonomyReader}} that uses a Lucene index to map facet labels to ordinals.
> It uses a fair amount of heap, e.g. to hold parent/sibling/child int arrays, to cache recent lookups, and in the underlying {{IndexReader}}.  I think we should have it implement {{Accountable}} so people can track its heap usage.



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