Description
So I am re-running the tests after a hiatus of 3 months. One test that used to pass and is now failing is the monotonic test, which runs insert into test(ts, val) select current_logical_timestamp(), max(val)+1 from test concurrently from different clients and expects both values 1) to increase in the same order and 2) to be unique.
This used to work without errors. Now today I found multiple instances where this is not the case any more, we now have duplicate values on the val column (incremented via max):
http://jepsen.cockroachdb.com/cgi-bin/display.py?entry=20160718T211852#20160718T211852
http://jepsen.cockroachdb.com/cgi-bin/display.py?entry=20160718T205708#20160718T205708
http://jepsen.cockroachdb.com/cgi-bin/display.py?entry=20160718T202608#20160718T202608