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Amazon AWS® loše otkriće: overselling

Slika vrijedi više od riječi: left graph – Amazon EC2 T-family instance oversold, right graph – not oversold

Ovo je korištenje nadzora CPU-a na EC2 instanci u Irskoj (t3a. xvelika). Dvije stvari koje treba primijetiti:
-the left graph has an average of 40% bijele pozadine (ne doseže puninu 400% CPU visina)
-the left graph has a maximum of 46% CPU krađa (što je crveni dio, and it should not be above 2%).
Ukupno: najviše od 86% CPU snaga je NESTALA.

For the avoidance of the doubt: EC2 instanca je zaustavljena i ponovo pokrenuta 6:30AM na lijevom grafikonu, tako da se instanca izvodila na novom hardveru iz 6:30AM. Ovo je učinjeno kako bi se također isključio bilo kakav problem s hardverom ili hipervizorom (but it did not change anything).

Conclusion: it has been confirmed that Amazon AWS® is overselling its T-family instances since November 2022, confirmed again in March 2023, and in June 2024…

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