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https://issues.apache.org/jira/browse/HBASE-30022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Rodionov updated HBASE-30022:
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Summary: Refactor CacheConfig and HFileReaderImpl to use
CacheAccessService (was: Refactor HFileReaderImpl to use CacheAccessService
for block cache access)
> Refactor CacheConfig and HFileReaderImpl to use CacheAccessService
> --------------------------------------------------------------------
>
> Key: HBASE-30022
> URL: https://issues.apache.org/jira/browse/HBASE-30022
> Project: HBase
> Issue Type: New Feature
> Components: BlockCache, Performance
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Priority: Major
>
> h2. Description
> Refactor *HFileReaderImpl* to use *CacheAccessService* as the entry point for
> block cache access instead of directly interacting with *BlockCache*.
> This change updates the read path to delegate cache operations through
> CacheAccessService, including:
> * block lookup on read
> * cache population on read miss
> * cache-related metrics updates (if applicable)
> h3. Scope
> * Replace direct BlockCache calls in *HFileReaderImpl* with
> *CacheAccessService*
> * Adapt existing call parameters to use request/write context objects
> * Ensure compatibility with current caching behavior
> h3. Notes
> * No behavior change intended
> * Existing cache implementations (*LruBlockCache*, *BucketCache*,
> *CombinedBlockCache*) remain unchanged
> * CacheAccessService implementation continues to delegate to BlockCache in
> this phase
> * This is part of migrating read path code toward a pluggable cache
> architecture
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