Branimir Lambov created CASSANDRA-20593:
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Summary: The chunk cache does not retain chunks for early open
sstables
Key: CASSANDRA-20593
URL: https://issues.apache.org/jira/browse/CASSANDRA-20593
Project: Apache Cassandra
Issue Type: Bug
Components: Local/Caching
Reporter: Branimir Lambov
The chunk cache is invalidated [when a {{FileHandle}} is
closed|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/util/FileHandle.java#L239],
which is called for sstables that have been opened early when they are
switched out.
This means that it cannot retain data between different stages of opening files
early, and also for the final sstable.
To avoid this, cache invalidation can be done when the sstable reader is
tidied, at the time when [the system cache is being
released|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/sstable/format/SSTableReader.java#L1673].
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