Dave DeCaprio created SPARK-26617:
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Summary: CacheManager blocks during requery
Key: SPARK-26617
URL: https://issues.apache.org/jira/browse/SPARK-26617
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Dave DeCaprio
This is related to Spark-26548. The CacheManager also holds locks in uncaching
and recaching plans that hold the lock while the query optimizer runs. If the
optimizer takes a long time, then the whole system can block up waiting for the
optimization run.
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