refactor(backends): clean up resources produced by memtable
#24168
| Job | Run time |
|---|---|
| 53s | |
| 8m 11s | |
| 48s | |
| 1m 33s | |
| 6m 15s | |
| 8m 5s | |
| 1m 55s | |
| 8m 13s | |
| 8m 12s | |
| 8m 11s | |
| 8m 12s | |
| 4m 16s | |
| 3m 37s | |
| 3m 15s | |
| 4m 23s | |
| 2m 42s | |
| 5m 33s | |
| 4m 16s | |
| 5m 13s | |
| 5m 40s | |
| 8m 10s | |
| 4m 37s | |
| 8m 9s | |
| 6m 54s | |
| 8m 10s | |
| 5m 29s | |
| 8m 10s | |
| 8m 8s | |
| 5m 21s | |
| 4m 9s | |
| 3m 30s | |
| 4m 19s | |
| 3m 2s | |
| 5m 31s | |
| 4m 37s | |
| 5m 32s | |
| 4m 46s | |
| 4m 57s | |
| 3m 49s | |
| 7m 44s | |
| 8m 8s | |
| 5m 44s | |
| 7m 8s | |
| 5m 4s | |
| 5m 0s | |
| 4m 57s | |
| 3m 41s | |
| 4m 51s | |
| 4m 23s | |
| 4m 11s | |
| 5m 46s | |
| 3m 46s | |
| 7m 34s | |
| 7m 20s | |
| 8m 8s | |
| 1s | |
| 5h 0m 9s |