HIVE-29613: [Optimizer] Cross-product join falls back to single-reducer shuffle merge when small-side row estimate marginally exceeds hive.xprod.mapjoin.small.table.rows#6484

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Commits on May 14, 2026

HIVE-29613: Cross-product join falls back to single-reducer shuffle merge when small-side row estimate marginally exceeds hive.xprod.mapjoin.small.table.rows
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