[CASSANDRA-21360][trunk] Reduce memory allocations in miscellaneous places along read path#4797
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netudima wants to merge 1 commit intoapache:trunkfrom
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[CASSANDRA-21360][trunk] Reduce memory allocations in miscellaneous places along read path#4797netudima wants to merge 1 commit intoapache:trunkfrom
netudima wants to merge 1 commit intoapache:trunkfrom
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org.apache.cassandra.db.rows.RangeTombstoneMarker.Merger is allocated on demand Optional usage in org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound is replaced with a boolean field Double in org.apache.cassandra.io.util.CompressedChunkReader#getCrcCheckChance - specialized supplier is used to avoid boxing Stack - adjust default from 5 to 6 to avoid extra resizings in org.apache.cassandra.db.transform.Stack#resize EnumSet for CL guardrail in SelectStatement - add a condition to allocate it only if the guardrail is enabled EnumSet in ResultMetadata - replace it with plain int flags patch by Dmitry Konstantinov; reviewed by TBD for CASSANDRA-21360
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org.apache.cassandra.db.rows.RangeTombstoneMarker.Merger is allocated on demand Optional usage in org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound is replaced with a boolean field Double in org.apache.cassandra.io.util.CompressedChunkReader#getCrcCheckChance - specialized supplier is used to avoid boxing Stack - adjust default from 5 to 6 to avoid extra resizings in org.apache.cassandra.db.transform.Stack#resize EnumSet for CL guardrail in SelectStatement - add a condition to allocate it only if the guardrail is enabled EnumSet in ResultMetadata - replace it with plain int flags
patch by Dmitry Konstantinov; reviewed by TBD for CASSANDRA-21360