Berenguer Blasi created CASSANDRA-18248: -------------------------------------------
Summary: Avoid streams usage in potential hot paths
Key: CASSANDRA-18248
URL: https://issues.apache.org/jira/browse/CASSANDRA-18248
Project: Cassandra
Issue Type: Improvement
Reporter: Berenguer Blasi
During the review of CASSANDRA-18068 it was discussed whether preparing queries
might be considered a hot path or not. Seen in isolation it isn't. But given
multi-tenancy setups i.e. and coming from the experience of seeing how prepare
is used by some customers as per some bug reports this might not be 100% true
Let's discuss here if removing streams would make any sense. Most rewrites I
expect wouldn't impact readability. [~adelapena] took a first stab and compiled
a first list of candidates:
*
[o.a.c.cql3/CQL3Type.java#L840|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/CQL3Type.java#L840]
*
[o.a.c.cql3/CQL3Type.java#L876|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/CQL3Type.java#L876]
*
[o.a.c.cql3/Lists.java#L133|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/Lists.java#L133]
*
[o.a.c.cql3/Sets.java#L123|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/Sets.java#L123]
*
[o.a.c.cql3/MultiColumnRelation.java#L225|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/MultiColumnRelation.java#L225]
*
[o.a.c.cql3/QueryProcessor.java#L481|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/QueryProcessor.java#L481]
*
[o.a.c.cql3/TokenRelation.java#L138|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/TokenRelation.java#L138]
*
[o.a.c.cql3/conditions/ColumnConditions.java#L75|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/conditions/ColumnConditions.java#L75]
*
[o.a.c.cql3/functions/AbstractFunction.java#L69|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/functions/AbstractFunction.java#L69]
*
[o.a.c.cql3/functions/FunctionResolver.java#L203|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/functions/FunctionResolver.java#L203]
*
[o.a.c.cql3/functions/UDAggregate.java#L97|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/functions/UDAggregate.java#L97]
*
[o.a.c.cql3/restrictions/StatementRestrictions.java#L380|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/restrictions/StatementRestrictions.java#L380]
*
[o.a.c.cql3/selection/AbstractFunctionSelector.java#L72|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/AbstractFunctionSelector.java#L72]
*
[o.a.c.cql3/selection/MapSelector.java#L113|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/MapSelector.java#L113]
*
[o.a.c.cql3/selection/Selectable.java#L708|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L708]
*
[o.a.c.cql3/selection/Selectable.java#L793|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L793]
*
[o.a.c.cql3/selection/Selectable.java#L886|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L886]
*
[o.a.c.cql3/selection/Selectable.java#L954|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L954]
*
[o.a.c.cql3/selection/Selectable.java#L1024|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L1024]
*
[o.a.c.cql3/statements/SelectStatement.java#L1278|https://github.com/apache/cassandra/blob/cassandra-4.1.0/src/java/org/apache/cassandra/cql3/statements/SelectStatement.java#L1278]
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