Adapt HPA values and scaling base

[barchw]

Description

Changes proposed in this pull request:

• Adapt HPA values and scaling base

[barchw]

We need to decide whether it is acceptable that performance tests results are raised.
If not, we should adapt the HPA to a better value

[barchw]

We need to decide whether it is acceptable that performance tests results are raised. If not, we should adapt the HPA to a better value

After multiple re-runs and watching how the resource values are progressing, the memory value never get's over the 80% threshold that was previously set.
As so, removing memory from the HPA should not have any effect, seems that the results I got before were just outlying