Dmitry Konstantinov created CASSANDRA-21351:
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Summary: Reduce memory allocations in SelectStatement.getQuery
Key: CASSANDRA-21351
URL: https://issues.apache.org/jira/browse/CASSANDRA-21351
Project: Apache Cassandra
Issue Type: Improvement
Components: Consistency/Coordination
Reporter: Dmitry Konstantinov
Minor reduction of memory allocations in miscellaneous places of
SelectStatement.getQuery:
* SinglePartitionReadCommand.Group#create - typical single partition select,
use singletonList instead of ArrayList + Object[], 0.11%
* SelectStatement#getSliceCommands - remove unnessesary cloning of partition
key, 0.43%
* SelectStatement#getSliceCommands - typical single partition select, use
singletonList instead of ArrayList + Object[], 0.11%
* SinglePartitionReadQuery.Group#maybeValidateIndex, iterators for
restrictioSet, 0.31%
Total: 0.96%
to be continued
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