[VL] Add new config spark.gluten.sql.columnar.backend.velox.spillNumMaxMergeFiles - #12759

[VL] Add new config spark.gluten.sql.columnar.backend.velox.spillNumMaxMergeFiles#12759

wecharyu wants to merge 2 commits into

apache:mainapache/gluten:mainfrom

wecharyu:spill_merge_fileswecharyu/incubator-gluten:spill_merge_filesCopy head branch name to clipboard