Vladimir Rodionov created HBASE-30022:
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Summary: Refactor CombinedBlockCache into explicit tiered
CacheTopology (exclusive/inclusive modes)
Key: HBASE-30022
URL: https://issues.apache.org/jira/browse/HBASE-30022
Project: HBase
Issue Type: Improvement
Components: BlockCache, Performance
Reporter: Vladimir Rodionov
Assignee: Vladimir Rodionov
Refactor existing CombinedBlockCache into a topology abstraction:
• TieredExclusiveTopology
• TieredInclusiveTopology
Move responsibilities:
• L1/L2 routing
• promotion/demotion logic
• metric aggregation
Ensure behavior remains identical to current implementation.
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