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https://issues.apache.org/jira/browse/SPARK-44223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18081537#comment-18081537
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Anupam Yadav commented on SPARK-44223:
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Scope assessment: this touches ~45 source files across 8+ modules (kvstore,
network-common, core, yarn, sql, docs). Key areas: remove leveldbjni
dependency, delete LevelDB implementations and tests in kvstore/network-common,
update DBBackend enum and providers, update core HybridStore/History/KVUtils,
update 10+ test suites, update 5 doc pages. Will need to break this into
smaller PRs or coordinate carefully. Planning the approach.
> Drop leveldb support
> --------------------
>
> Key: SPARK-44223
> URL: https://issues.apache.org/jira/browse/SPARK-44223
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 4.2.0
> Reporter: Yang Jie
> Priority: Major
> Labels: pull-request-available
>
> The leveldb project seems to be no longer maintained, and we can always
> replace it with rocksdb. I think we can remove support and dependencies on
> leveldb in Spark 4.0
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