Yang Jie created SPARK-34309:
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Summary: Use Caffeine instead of Guava Cache
Key: SPARK-34309
URL: https://issues.apache.org/jira/browse/SPARK-34309
Project: Spark
Issue Type: Improvement
Components: Spark Core, SQL
Affects Versions: 3.2.0
Reporter: Yang Jie
Caffeine is a high performance, near optimal caching library based on Java 8,
it is used in a similar way to guava cache, but with better performance. The
comparison results are as follow are on the [caffeine benchmarks
|https://github.com/ben-manes/caffeine/wiki/Benchmarks]
At the same time, caffeine has been used in some open source projects like
Cassandra, Hbase, Neo4j, Druid, Spring and so on.
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