There is a round_to_oldest configuration option to WT_SESSION::begin_transaction and WT_SESSION::timestamp_transaction APIs. The option is to be deprecated in the favour of roundup_timestamps configuration option introduced by
WT-4621. Also round_to_oldest is to be removed from the WT_SESSION::timestamp_transaction API.
- depends on
SERVER-40470 Use roundup_timestamp API instead of round_to_oldest