[5.x] Reduce the number of times the fieldsCache is reset
#21288
| Job | Run time |
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| 12s | |
| 12s | |
| 28s | |
| 4m 40s | |
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| 4m 4s | |
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| 4m 24s | |
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| 4m 27s | |
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| 4m 2s | |
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| 4m 11s | |
| 30s | |
| 3m 48s | |
| 30s | |
| 3m 58s | |
| 26s | |
| 3m 48s | |
| 17s | |
| 10m 43s | |
| 17s | |
| 11m 10s | |
| 3s | |
| 3s | |
| 1h 9m 12s |