Vladimir Rodionov created HBASE-30024:
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Summary: Add CarrotCache-based BlockCacheEngine to reduce metadata
overhead and improve cache density
Key: HBASE-30024
URL: https://issues.apache.org/jira/browse/HBASE-30024
Project: HBase
Issue Type: Improvement
Reporter: Vladimir Rodionov
Assignee: Vladimir Rodionov
Introduce a new BlockCacheEngine backed by CarrotCache.
Initial scope:
• L2 integration (L1 remains LruBlockCache)
• store HBase block payloads without format changes
• integrate with topology and policy layers
Motivation:
• significantly lower metadata overhead
• improved effective cache capacity
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