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https://issues.apache.org/jira/browse/HBASE-30019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Rodionov updated HBASE-30019:
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Issue Type: New Feature (was: Improvement)
> Introduce BlockCacheEngine and CacheTopology abstractions (no behavior change)
> ------------------------------------------------------------------------------
>
> Key: HBASE-30019
> URL: https://issues.apache.org/jira/browse/HBASE-30019
> Project: HBase
> Issue Type: New Feature
> Components: BlockCache, Performance
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Priority: Major
>
> Introduce core internal abstractions for a pluggable block cache architecture:
> • BlockCacheEngine (storage interface)
> • CacheTopology (L1/L2 orchestration)
> • request/write context objects
> This change is strictly a refactoring:
> • no behavior change
> • existing LruBlockCache and BucketCache continue to work as-is
> • serves as foundation for future work
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