Author: physik
Description:
Probably a duplicate but I could not find a reference to another bug number...
If more than one new table is added per second an error is thrown due to a duplicate key error.
See
https://integration.wikimedia.org/ci/job/mwext-Math-testextension/3/console
occurred in the context of
https://gerrit.wikimedia.org/r/#/c/158845/
Also https://gerrit.wikimedia.org/r/#/c/161610/
demonstrates the runtime dependence.
No test failure for PS3 that needed 3m45s but a failure for PS4 that could be completed in about 1m.