[Backport 2.x] Cleanup file cache on deleting index/shard directory #3519
| Job | Run time |
|---|---|
| 10m 28s | |
| 11m 54s | |
| 33m 50s | |
| 10m 2s | |
| 10m 58s | |
| 32m 15s | |
| 10m 0s | |
| 10m 33s | |
| 44m 25s | |
| 2h 54m 25s |
| Job | Run time |
|---|---|
| 10m 28s | |
| 11m 54s | |
| 33m 50s | |
| 10m 2s | |
| 10m 58s | |
| 32m 15s | |
| 10m 0s | |
| 10m 33s | |
| 44m 25s | |
| 2h 54m 25s |