A couple of places in ISPN-9614 were not written to utilize batching. These are linked at
https://github.com/infinispan/infinispan/pull/6401#discussion_r267641437
https://github.com/infinispan/infinispan/pull/6401#discussion_r267665358

The former is definitely an issue to ensure memory doesn't run over, but the latter is less priority as the set should be empty or a very small fraction of the total data size.