Machine uptimes
The data below is based on the currently available data from the
machine-update scripts that are run by a lot of
machines.
Only data from machines that have updated within the last
60 days is included.
Information from 4284 machines.
Average uptime: 69.2 days
Max uptime currently running: 1630.8 days
Max uptime ever observed: 15039.3 days
| Count |
Uptime |
| 636 |
0-1 days |
| 900 |
1-10 days |
| 1883 |
10-100 days |
| 842 |
More than 100 days |
Top ten long-running machines
| Uptime |
Kernel |
CPU |
| 1630.8 |
2.6.9-1.667 |
AMD Unknown |
| 1597.3 |
2.6.7 |
Intel Pentium III |
| 1331.1 |
2.4.18-14 |
Intel PentiumIII |
| 1274.9 |
2.4.27-p3-coppermine |
Intel PentiumIII |
| 1231.7 |
2.6.8-2-686-smp |
Intel Xeon |
| 1219.5 |
2.6.11.4-21.11-smp |
Intel Celeron |
| 1152.7 |
2.6.9-34.EL |
Intel Pentium III |
| 1116.4 |
2.6.16.18 |
Intel Xeon |
| 1112.0 |
2.6.17-1.2139_FC4 |
Intel Pentium 4 |
| 1062.8 |
2.6.5-7.267-bigsmp |
Intel Unknown |
|
Average uptime, by kernel
| Count |
Kernel |
Uptime |
| Typical |
Longest |
| 9 |
2.0.38 |
336.5 |
364.5 |
0.2% |
| 6 |
2.2.14 |
200.6 |
274.2 |
0.1% |
| 6 |
2.2.16 |
255.9 |
682.5 |
0.1% |
| 3 |
2.2.16C37_III |
285.0 |
426.1 |
0.1% |
| 3 |
2.2.17 |
329.2 |
478.8 |
0.1% |
| 3 |
2.2.20 |
218.3 |
606.2 |
0.1% |
| 3 |
2.4.12 |
86.8 |
144.2 |
0.1% |
| 3 |
2.4.17 |
720.5 |
934.6 |
0.1% |
| 38 |
2.4.18 |
197.9 |
1331.1 |
0.9% |
| 7 |
2.4.19 |
248.2 |
578.6 |
0.2% |
| 58 |
2.4.20 |
126.1 |
808.4 |
1.4% |
| 40 |
2.4.21 |
149.4 |
758.2 |
0.9% |
| 17 |
2.4.22 |
175.2 |
613.2 |
0.4% |
| 6 |
2.4.25 |
132.8 |
262.9 |
0.1% |
| 25 |
2.4.26 |
128.9 |
851.2 |
0.6% |
| 24 |
2.4.27 |
228.4 |
1274.9 |
0.6% |
| 3 |
2.4.28 |
144.2 |
227.1 |
0.1% |
| 15 |
2.4.29 |
50.4 |
223.5 |
0.4% |
| 3 |
2.4.30 |
25.0 |
38.9 |
0.1% |
| 9 |
2.4.31 |
90.2 |
368.8 |
0.2% |
| 8 |
2.4.32 |
111.4 |
282.9 |
0.2% |
| 7 |
2.4.33.3 |
70.6 |
277.1 |
0.2% |
| 3 |
2.4.34.1 |
59.9 |
113.0 |
0.1% |
| 3 |
2.4.36 |
49.8 |
68.3 |
0.1% |
| 3 |
2.4.37 |
37.2 |
103.6 |
0.1% |
| 4 |
2.4.4 |
17.2 |
33.9 |
0.1% |
| 3 |
2.4.7 |
273.3 |
789.7 |
0.1% |
| 3 |
2.4.9 |
349.9 |
767.9 |
0.1% |
| 13 |
2.6.10 |
86.9 |
269.9 |
0.3% |
| 7 |
2.6.11 |
178.5 |
645.8 |
0.2% |
| 19 |
2.6.11.4 |
111.8 |
1219.5 |
0.4% |
| 28 |
2.6.12 |
119.2 |
934.7 |
0.7% |
| 22 |
2.6.13 |
67.9 |
260.4 |
0.5% |
| 7 |
2.6.14 |
91.7 |
249.4 |
0.2% |
| 38 |
2.6.15 |
148.2 |
799.4 |
0.9% |
| 3 |
2.6.15.2 |
16.1 |
46.8 |
0.1% |
| 15 |
2.6.16 |
142.6 |
697.7 |
0.4% |
| 3 |
2.6.16.13 |
71.1 |
103.4 |
0.1% |
| 6 |
2.6.16.21 |
78.3 |
203.0 |
0.1% |
| 7 |
2.6.16.27 |
70.2 |
216.7 |
0.2% |
| 10 |
2.6.16.29 |
151.9 |
593.1 |
0.2% |
| 4 |
2.6.16.38 |
34.4 |
48.3 |
0.1% |
| 5 |
2.6.16.54 |
68.6 |
162.6 |
0.1% |
| 3 |
2.6.16.60 |
41.6 |
87.7 |
0.1% |
| 4 |
2.6.16.62 |
14.4 |
36.0 |
0.1% |
| 54 |
2.6.17 |
148.3 |
1112.0 |
1.3% |
| 8 |
2.6.17.13 |
267.2 |
775.7 |
0.2% |
| 4 |
2.6.17.6 |
147.1 |
295.2 |
0.1% |
| 879 |
2.6.18 |
62.5 |
921.2 |
20.5% |
| 10 |
2.6.18.2 |
102.2 |
167.6 |
0.2% |
| 42 |
2.6.18.8 |
81.9 |
477.2 |
1.0% |
| 11 |
2.6.19 |
101.3 |
400.3 |
0.3% |
| 8 |
2.6.19.2 |
112.8 |
321.5 |
0.2% |
| 52 |
2.6.20 |
63.9 |
378.9 |
1.2% |
| 3 |
2.6.20.3 |
55.9 |
103.1 |
0.1% |
| 18 |
2.6.21 |
161.8 |
708.8 |
0.4% |
| 5 |
2.6.21.1 |
200.8 |
405.8 |
0.1% |
| 22 |
2.6.21.5 |
41.5 |
148.5 |
0.5% |
| 47 |
2.6.22 |
103.9 |
714.7 |
1.1% |
| 23 |
2.6.22.14 |
65.5 |
313.2 |
0.5% |
| 4 |
2.6.22.17 |
114.7 |
253.3 |
0.1% |
| 3 |
2.6.22.18 |
60.7 |
100.5 |
0.1% |
| 68 |
2.6.22.19 |
101.4 |
216.6 |
1.6% |
| 4 |
2.6.22.5 |
41.0 |
142.9 |
0.1% |
| 9 |
2.6.22.9 |
149.0 |
558.6 |
0.2% |
| 18 |
2.6.23 |
187.7 |
646.6 |
0.4% |
| 6 |
2.6.23.1 |
88.3 |
407.1 |
0.1% |
| 4 |
2.6.23.12 |
90.2 |
119.4 |
0.1% |
| 4 |
2.6.23.14 |
193.4 |
531.0 |
0.1% |
| 3 |
2.6.23.16 |
145.3 |
414.5 |
0.1% |
| 18 |
2.6.23.17 |
82.7 |
334.9 |
0.4% |
| 248 |
2.6.24 |
44.4 |
472.1 |
5.8% |
| 9 |
2.6.24.2 |
263.4 |
514.4 |
0.2% |
| 4 |
2.6.24.2dedibox |
273.0 |
442.6 |
0.1% |
| 6 |
2.6.24.3 |
139.4 |
486.0 |
0.1% |
| 4 |
2.6.24.4 |
55.3 |
128.1 |
0.1% |
| 17 |
2.6.24.5 |
89.0 |
419.9 |
0.4% |
| 7 |
2.6.24.7 |
24.9 |
75.6 |
0.2% |
| 46 |
2.6.25 |
97.3 |
442.7 |
1.1% |
| 5 |
2.6.25.10 |
74.4 |
244.5 |
0.1% |
| 3 |
2.6.25.14 |
118.1 |
311.8 |
0.1% |
| 6 |
2.6.25.17 |
56.1 |
282.4 |
0.1% |
| 5 |
2.6.25.18 |
98.9 |
191.6 |
0.1% |
| 34 |
2.6.25.20 |
25.6 |
176.5 |
0.8% |
| 4 |
2.6.25.4 |
39.9 |
116.8 |
0.1% |
| 6 |
2.6.25.6 |
192.0 |
400.3 |
0.1% |
| 421 |
2.6.26 |
36.8 |
310.1 |
9.8% |
| 4 |
2.6.26.2 |
72.0 |
133.2 |
0.1% |
| 3 |
2.6.26.3 |
33.7 |
74.1 |
0.1% |
| 7 |
2.6.26.5 |
65.7 |
221.9 |
0.2% |
| 4 |
2.6.26.6 |
80.9 |
173.5 |
0.1% |
| 29 |
2.6.26.8 |
34.9 |
165.4 |
0.7% |
| 139 |
2.6.27 |
27.4 |
221.3 |
3.2% |
| 11 |
2.6.27.10 |
64.3 |
176.0 |
0.3% |
| 9 |
2.6.27.19 |
75.0 |
117.2 |
0.2% |
| 55 |
2.6.27.21 |
33.0 |
106.0 |
1.3% |
| 58 |
2.6.27.23 |
4.4 |
38.1 |
1.4% |
| 55 |
2.6.27.24 |
12.9 |
48.5 |
1.3% |
| 37 |
2.6.27.25 |
10.3 |
23.5 |
0.9% |
| 5 |
2.6.27.4 |
24.9 |
68.5 |
0.1% |
| 8 |
2.6.27.5 |
52.1 |
219.0 |
0.2% |
| 30 |
2.6.27.7 |
39.1 |
234.1 |
0.7% |
| 3 |
2.6.27.7VERGE |
10.7 |
15.0 |
0.1% |
| 4 |
2.6.27.8 |
62.4 |
193.4 |
0.1% |
| 5 |
2.6.27.9 |
65.8 |
169.8 |
0.1% |
| 278 |
2.6.28 |
14.6 |
240.2 |
6.5% |
| 3 |
2.6.28.2 |
10.8 |
15.6 |
0.1% |
| 4 |
2.6.28.5 |
21.6 |
84.2 |
0.1% |
| 9 |
2.6.28.7 |
59.1 |
140.6 |
0.2% |
| 4 |
2.6.28.8 |
45.7 |
97.4 |
0.1% |
| 5 |
2.6.28.9 |
20.7 |
61.0 |
0.1% |
| 113 |
2.6.29 |
16.2 |
89.5 |
2.6% |
| 11 |
2.6.29.1 |
22.0 |
72.7 |
0.3% |
| 9 |
2.6.29.2 |
33.6 |
76.1 |
0.2% |
| 22 |
2.6.29.3 |
20.1 |
66.4 |
0.5% |
| 30 |
2.6.29.4 |
16.5 |
57.0 |
0.7% |
| 73 |
2.6.29.5 |
6.6 |
24.2 |
1.7% |
| 11 |
2.6.29.6 |
4.1 |
11.4 |
0.3% |
| 3 |
2.6.3 |
61.8 |
131.4 |
0.1% |
| 119 |
2.6.30 |
7.7 |
66.3 |
2.8% |
| 30 |
2.6.30.1 |
4.6 |
11.7 |
0.7% |
| 7 |
2.6.31 |
2.6 |
13.4 |
0.2% |
| 4 |
2.6.4 |
171.7 |
512.1 |
0.1% |
| 24 |
2.6.5 |
338.4 |
1062.8 |
0.6% |
| 6 |
2.6.7 |
362.7 |
1597.3 |
0.1% |
| 58 |
2.6.8 |
151.2 |
1231.7 |
1.4% |
| 4 |
2.6.8.1 |
145.1 |
439.8 |
0.1% |
| 165 |
2.6.9 |
108.6 |
1630.8 |
3.9% |
| Others |
264 |
6.2% |
|
NOTE:
The Linux kernel (at least up to 2.4.2) has a flaw: It computes the result
of the "uptime" based on the internal "jiffies" counter, which counts the
time since boot, in units of 10 milliseconds.
This is typecast as an "unsigned long" - on the Intel boxes, that's an unsigned
32-bit number.
Well, it turns out that in a 32-bit number, you can store 497.1 days before the
number wraps. So all the numbers higher than this on this list are because:
- They are not Intel architectures
- They have sent in updates on both sides of the wrap, and my scripts
have successfully correlated them and concluded that it was a wrap, not
a reboot.
Thanks to Brian "Z" Frappier for alerting me to the problem!