aweisberg commented on code in PR #4118:
URL: https://github.com/apache/cassandra/pull/4118#discussion_r2078055439
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src/java/org/apache/cassandra/db/memtable/ShardedSkipListMemtable.java:
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@@ -351,7 +357,7 @@ static class MemtableShard
private final ColumnsCollector columnsCollector;
private final StatsCollector statsCollector;
- private final MutationIdCollector mutationIdCollector;
+ private final MutableCoordinatorLogBoundaries coordinatorLogBoundaries
= new MutableCoordinatorLogBoundaries();
Review Comment:
This is used mutably and then needs to be effectively immutable. The mutable
reference should be set to `null` before it is used in a way that needs it to
be immutable. So have a reference to the immutable version with private
visibility and a reference to the mutable version and a getter for the
immutable version that will null out the mutable version when it is called.
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