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https://issues.apache.org/jira/browse/LUCENE-10251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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spike liu updated LUCENE-10251:
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Attachment: LUCENE-10251-20211222.patch
> Add the compliant "Direct" doc-value format
> -------------------------------------------
>
> Key: LUCENE-10251
> URL: https://issues.apache.org/jira/browse/LUCENE-10251
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/codecs
> Affects Versions: 10.0 (main)
> Reporter: spike liu
> Priority: Minor
> Attachments: LUCENE-10251-20211222.patch,
> compliant_direct_doc-value_format.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In an effort to keep the "Direct" doc-value format in future release, we
> moved them to doc-value iterators. Any review would be appreciated.
> Main changes include:
> * Use DocValuesIterator instead of LegacyDocValues.java in
> DirectDocValuesProducer;
> * Embed iterator implementation inside DirectDocValuesConsumer for code
> reuse;
> * All test cases have been run successfully and included in [pull
> request|https://github.com/apache/lucene/pull/464/files];
> P.S. Our business scenario:
> * Save the inventory in Direct doc-value format;
> * Update them in memory with high-frequency without persistence;
> * Load inventory from data storage during app ignite;
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