New defaults for concat, merge, combine_*
#16412
| Job | Run time |
|---|---|
| 5s | |
| 2s | |
| 8m 43s | |
| 9m 32s | |
| 5m 11s | |
| 8m 4s | |
| 16m 12s | |
| 17m 24s | |
| 2m 2s | |
| 7m 53s | |
| 7m 52s | |
| 6m 37s | |
| 1m 39s | |
| 12m 31s | |
| 13m 40s | |
| 1h 57m 27s |