no index
timestamp idx
bucket idx
combined idx
co2
gps
logs
co2
gps
logs
co2
gps
logs
co2
gps
logs
0
20
40
60
80
100
120
→ requests / second
2.5
16
18
2.5
45
18
2.5
22
23
2.5
80
23
Figure 2. SQLite benchmark results