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  1. Kafka
  2. KAFKA-2590 KIP-28: Kafka Streams Checklist
  3. KAFKA-2594

Add a key-value store that is a fixed-capacity in-memory LRU cache

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.10.0.0
    • 0.10.0.0
    • streams
    • None

    Description

      The current KeyValueStore implementations are not limited in size, and thus are less useful for some use cases. This subtask will add a simple key-value store that maintains in memory at most a maximum number of entries that were recently read or written. When the cache size reaches the capacity and a new entry is to be added, the least recently used entry will be automatically purged from the cache. This key-value store will extend MeteredKeyValueStore for monitoring and recording of changes to a backing topic, enabling recovery of the cache contents from the replicated state.

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              rhauch Randall Hauch
              rhauch Randall Hauch
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                Created:
                Updated:
                Resolved: