[Backport 2.x] Create new IndexInput for multi part upload #31284
| Job | Run time |
|---|---|
| 12m 23s | |
| 22m 55s | |
| 21m 52s | |
| 11m 34s | |
| 17m 22s | |
| 16m 11s | |
| 11m 53s | |
| 18m 54s | |
| 19m 0s | |
| 2h 32m 4s |
| Job | Run time |
|---|---|
| 12m 23s | |
| 22m 55s | |
| 21m 52s | |
| 11m 34s | |
| 17m 22s | |
| 16m 11s | |
| 11m 53s | |
| 18m 54s | |
| 19m 0s | |
| 2h 32m 4s |