Locking is needed in slapo-unique to prevent duplicate values when new operations are started before previous operations are completed.
I would hope you mean only write ops... It'd be terrible to block read operations.
Commits: • 9183abe6 by Howard Chu at 2020-05-22T15:08:20+01:00 ITS#9264 add an optional lock to slapo-unique
Commits: • c70e2e08 by Howard Chu at 2020-05-25T22:38:30+01:00 ITS#9264 more for unique locking
*** Issue 5908 has been marked as a duplicate of this issue. ***