netudima commented on code in PR #4709:
URL: https://github.com/apache/cassandra/pull/4709#discussion_r3067962616


##########
src/java/org/apache/cassandra/db/ReadCommand.java:
##########
@@ -644,12 +644,15 @@ public Row applyToStatic(Row row)
             public Row applyToRow(Row row)
             {
                 boolean hasTombstones = false;
-                for (Cell<?> cell : row.cells())
+                if (row.hasDeletion(ReadCommand.this.nowInSec())) // perf 
optimization, to avoid iteration if all cells are alive

Review Comment:
   yes, good point, thanks



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