I separate merge step to produce a single file would tripple the transfered data volume which might or might not be an issue. But in case the ordering of the re

I separate merge step to produce a single file would tripple the transfered data volume which might or might not be an issue. But in case the ordering of the records does not matter as suggested in the article and if you can get the consumer to consume several files, it would indeed be the easiest solution to just have several files and then consume then one after another.