Dmitry Konstantinov created CASSANDRA-21360:
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Summary: Reduce memory allocations in miscellaneous places along
read path
Key: CASSANDRA-21360
URL: https://issues.apache.org/jira/browse/CASSANDRA-21360
Project: Apache Cassandra
Issue Type: Improvement
Reporter: Dmitry Konstantinov
* org.apache.cassandra.db.rows.RangeTombstoneMarker.Merger can be allocated on
demand - 0.31%
* Optional usage in
org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound - 0.2%
* Double in
org.apache.cassandra.io.util.CompressedChunkReader#getCrcCheckChance - 0.17%
* Stack - adjust default (currently it is 5) to avoid extra resizings in
org.apache.cassandra.db.transform.Stack#resize - 0.17%
* EnumSet for CL guardrail in SelectStatement - 0.1%
* EnumSet in ResultMetadata - 0.11%
Total: 0.98%
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