AI-assisted review
Instance benchmarkDigitalOcean
c2-2vcpu-4gb
The complete benchmark report. Every workload, in one place.
2 vCPU3.8 GiB RAMsfo2x86_64
Within-run medians of passed repetitions. Some workloads are incomplete. One recorded test window; limitations and review details below.
01 /
CPU performance
sysbench prime workload · recorded thread counts.
444.89events/s
1 threads
1 threads
696.11events/s
2 threads
2 threads
- 1 threads444.89
- 2 threads696.11
Within-run medians; thread counts retain their recorded allocation.
Compression · 181.324 MiB/s · passed
02 /
Memory bandwidth
Sequential read and write · recorded sysbench workload.
Read9,950.11 MiB/s
Write9,401.93 MiB/s
- Read9,950.11
- Write9,401.93
Memory copy was not measured.
03 /
Disk performance
fio · direct I/O · recorded sequential and random workloads.
| Workload | Read bandwidth | Write bandwidth | Read IOPS | Write IOPS | Read p95 | Write p95 |
|---|---|---|---|---|---|---|
| write | Not measured | 351.119 MB/s | Not measured | 334.853 IOPS | Not measured | 154,140.672 us |
| read | 1,298.397 MB/s | Not measured | 1,238.248 IOPS | Not measured | 60,030.976 us | Not measured |
| randwrite | Not measured | 101.866 MB/s | Not measured | 24,869.713 IOPS | Not measured | 2,572.288 us |
| randread | 322.066 MB/s | Not measured | 78,629.279 IOPS | Not measured | 1,220.608 us | Not measured |
| randrw | 146.957 MB/s | 62.984 MB/s | 35,878.116 IOPS | 15,377.05 IOPS | 1,286.144 us | 2,211.84 us |
Read, write and mixed workloads are recorded separately. These are medians of measured repetitions.
04 /
Network performance
Source: sfo2 · controlled London endpoints.
| Destination | Download (receiver) | Upload (receiver) | Round-trip mean |
|---|---|---|---|
| London endpoint 1 | 99.946 Mbit/s | 97.43 Mbit/s | 143.126 ms |
| London endpoint 2 | 99.771 Mbit/s | 97.537 Mbit/s | 136.927 ms |
100 Mbit/s rate setting · requested 64 MiB per direction; actual bytes can exceed the target. These routes do not measure maximum link capacity. Jitter and packet-loss scores are not inferred.
05 /
PostgreSQL performance
pgbench · recorded memory and storage dataset profiles.
| Dataset profile | Transactions / sec | Average latency |
|---|---|---|
| memory | 1,328.81 transactions/s | 3.007 ms |
| storage | 751.894 transactions/s | 5.317 ms |
Within-run medians. PostgreSQL latency percentiles were not measured.
06 /
Consistency over time
Recorded outcomes only; no synthetic time-series.
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| 24-hour consistency · repetition 1 | skipped | No measured score | Not measured |
This pilot does not establish 24-hour consistency or long-term reliability.
07 /
Inspect the evidence.
Recorded environment, reviewed measurements, and versioned source.
OSUbuntu 24.04.5 LTS
Architecturex86_64
Methodpilot-1
Deployments1
Window1961 seconds
AI-assisted review · Codex AI-assisted evidence review (user-delegated) · Reviewed 17 Oct 2026 · Published 17 Oct 2026 · Revision 1
Review and measurement limits
- Single deployment; not an independent three-instance cohort.
- No hardware attestation.
- Pilot memory implements read/write; copy workload deferred.
- Network endpoints must be supplied by the operator; no public third-party servers are used.
- Database latency distribution is not available from this pilot parser; average latency only.
- This profile is not a full implementation of all proposed methodology tests.
- Resource-constrained environment: CPU workers and RAM reflect affinity/cgroup limits, not host capacity. Private resource-limits evidence retains both; do not merge container/VM or architecture cohorts.
- Short profile: does not establish 24-hour consistency.
- This report received AI-assisted evidence review under user-delegated authorization. This is not independent human verification or hardware attestation.
- This pilot measures its recorded test window. It does not establish 24-hour consistency, long-term reliability or provider-wide performance.
- Network tests use two controlled London endpoints, one stream, a 100 Mbit/s rate setting and a requested 64 MiB byte target per direction. Reverse-mode polling can exceed that byte target; actual sent and received bytes govern traffic accounting. These results do not measure maximum link capacity.
- SKU and region were matched to retained deployment records. A missing detected SKU uses the operator-supplied plan and remains labelled supplied. Control-plane records and checksums do not attest the physical host or establish physical-host independence.
- Package versions and available guard and journal evidence were reviewed. These records do not establish continuous absence of package activity throughout the test window.
- The pilot includes memory read/write and average PostgreSQL latency. Memory-copy tests and PostgreSQL latency percentiles are not implemented. Skipped consistency and missing measurements are not scores.
Environment and configuration
| Recorded field | Value |
|---|---|
| Provider | DigitalOcean · detected |
| Region | sfo2 · detected |
| Plan | c2-2vcpu-4gb · supplied |
| CPU | Intel(R) Xeon(R) Platinum 8168 CPU @ 2.70GHz |
| Architecture | x86_64 |
| Kernel | 6.8.0-142-generic |
| Virtualization | kvm |
| Agent | 0.2.0 (45388107250ca6e26b216f15a9c17b8d405ec1b7+source.ff98e866b26b3ac76b512554) |
| Dependencies | sysbench: sysbench 1.0.20 · fio: fio-3.36 · iperf3: iperf 3.16 (cJSON 1.7.15) · postgresql: postgres (PostgreSQL) 16.15 (Ubuntu 16.15-0ubuntu0.24.04.1) · pgbench: pgbench (PostgreSQL) 16.15 (Ubuntu 16.15-0ubuntu0.24.04.1) · gzip: gzip 1.12 · apt:sysbench: 1.0.20+ds-6build2 · apt:fio: 3.36-1ubuntu0.1 · apt:iperf3: 3.16-1build2 · apt:postgresql-16: 16.15-0ubuntu0.24.04.1 · apt:postgresql-client-16: 16.15-0ubuntu0.24.04.1 · apt:gzip: 1.12-1ubuntu3.2 |
| Configuration hash | 57ddbe7b8cb16529201da296bafe8fdc8a20d14d3d3f63518b00c5095bbec419 |
| Started | 2026-10-17T12:17:06.172Z |
| Finished | 2026-10-17T12:49:47.548Z |
| Execution status | completed |
Every measured repetition and outcome
CPU performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| CPU 1 thread(s) · repetition 1 | passed | Events per second | 444.96 events/s |
| CPU 2 thread(s) · repetition 1 | passed | Events per second | 700.43 events/s |
| CPU 1 thread(s) · repetition 2 | passed | Events per second | 443.77 events/s |
| CPU 2 thread(s) · repetition 2 | passed | Events per second | 695.63 events/s |
| CPU 1 thread(s) · repetition 3 | passed | Events per second | 444.89 events/s |
| CPU 2 thread(s) · repetition 3 | passed | Events per second | 696.11 events/s |
| gzip fixed corpus · repetition 1 | passed | Compression input throughput | 181.324 MiB/s |
Memory bandwidth
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| Memory read · repetition 1 | passed | Bandwidth | 9,950.11 MiB/s |
| Memory write · repetition 1 | passed | Bandwidth | 9,401.93 MiB/s |
| Memory read · repetition 2 | passed | Bandwidth | 9,994.11 MiB/s |
| Memory write · repetition 2 | passed | Bandwidth | 9,412.14 MiB/s |
| Memory read · repetition 3 | passed | Bandwidth | 9,947.28 MiB/s |
| Memory write · repetition 3 | passed | Bandwidth | 9,337.56 MiB/s |
Disk performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| Disk write · repetition 1 | passed | write bandwidth | 417.007 MB/s |
| Disk write · repetition 1 | passed | write operations | 397.689 IOPS |
| Disk write · repetition 1 | passed | write p50 latency | 73,924.608 us |
| Disk write · repetition 1 | passed | write p95 latency | 139,460.608 us |
| Disk write · repetition 1 | passed | write p99 latency | 270,532.608 us |
| Disk read · repetition 1 | passed | read bandwidth | 1,117.657 MB/s |
| Disk read · repetition 1 | passed | read operations | 1,065.881 IOPS |
| Disk read · repetition 1 | passed | read p50 latency | 28,180.48 us |
| Disk read · repetition 1 | passed | read p95 latency | 60,030.976 us |
| Disk read · repetition 1 | passed | read p99 latency | 85,458.944 us |
| Disk randwrite · repetition 1 | passed | write bandwidth | 105.101 MB/s |
| Disk randwrite · repetition 1 | passed | write operations | 25,659.478 IOPS |
| Disk randwrite · repetition 1 | passed | write p50 latency | 1,019.904 us |
| Disk randwrite · repetition 1 | passed | write p95 latency | 2,441.216 us |
| Disk randwrite · repetition 1 | passed | write p99 latency | 3,686.4 us |
| Disk randread · repetition 1 | passed | read bandwidth | 323.948 MB/s |
| Disk randread · repetition 1 | passed | read operations | 79,088.897 IOPS |
| Disk randread · repetition 1 | passed | read p50 latency | 313.344 us |
| Disk randread · repetition 1 | passed | read p95 latency | 1,138.688 us |
| Disk randread · repetition 1 | passed | read p99 latency | 1,826.816 us |
| Disk randrw · repetition 1 | passed | read bandwidth | 155.044 MB/s |
| Disk randrw · repetition 1 | passed | read operations | 37,852.51 IOPS |
| Disk randrw · repetition 1 | passed | read p50 latency | 333.824 us |
| Disk randrw · repetition 1 | passed | read p95 latency | 1,286.144 us |
| Disk randrw · repetition 1 | passed | read p99 latency | 2,179.072 us |
| Disk randrw · repetition 1 | passed | write bandwidth | 66.48 MB/s |
| Disk randrw · repetition 1 | passed | write operations | 16,230.551 IOPS |
| Disk randrw · repetition 1 | passed | write p50 latency | 618.496 us |
| Disk randrw · repetition 1 | passed | write p95 latency | 2,072.576 us |
| Disk randrw · repetition 1 | passed | write p99 latency | 3,391.488 us |
| Disk write · repetition 2 | passed | write bandwidth | 351.119 MB/s |
| Disk write · repetition 2 | passed | write operations | 334.853 IOPS |
| Disk write · repetition 2 | passed | write p50 latency | 88,604.672 us |
| Disk write · repetition 2 | passed | write p95 latency | 154,140.672 us |
| Disk write · repetition 2 | passed | write p99 latency | 240,123.904 us |
| Disk read · repetition 2 | passed | read bandwidth | 1,299.55 MB/s |
| Disk read · repetition 2 | passed | read operations | 1,239.347 IOPS |
| Disk read · repetition 2 | passed | read p50 latency | 23,724.032 us |
| Disk read · repetition 2 | passed | read p95 latency | 53,739.52 us |
| Disk read · repetition 2 | passed | read p99 latency | 85,458.944 us |
| Disk randwrite · repetition 2 | passed | write bandwidth | 101.866 MB/s |
| Disk randwrite · repetition 2 | passed | write operations | 24,869.713 IOPS |
| Disk randwrite · repetition 2 | passed | write p50 latency | 1,019.904 us |
| Disk randwrite · repetition 2 | passed | write p95 latency | 2,572.288 us |
| Disk randwrite · repetition 2 | passed | write p99 latency | 4,014.08 us |
| Disk randread · repetition 2 | passed | read bandwidth | 314.462 MB/s |
| Disk randread · repetition 2 | passed | read operations | 76,772.974 IOPS |
| Disk randread · repetition 2 | passed | read p50 latency | 313.344 us |
| Disk randread · repetition 2 | passed | read p95 latency | 1,253.376 us |
| Disk randread · repetition 2 | passed | read p99 latency | 1,843.2 us |
| Disk randrw · repetition 2 | passed | read bandwidth | 101.072 MB/s |
| Disk randrw · repetition 2 | passed | read operations | 24,675.888 IOPS |
| Disk randrw · repetition 2 | passed | read p50 latency | 325.632 us |
| Disk randrw · repetition 2 | passed | read p95 latency | 1,449.984 us |
| Disk randrw · repetition 2 | passed | read p99 latency | 2,605.056 us |
| Disk randrw · repetition 2 | passed | write bandwidth | 43.342 MB/s |
| Disk randrw · repetition 2 | passed | write operations | 10,581.561 IOPS |
| Disk randrw · repetition 2 | passed | write p50 latency | 782.336 us |
| Disk randrw · repetition 2 | passed | write p95 latency | 3,817.472 us |
| Disk randrw · repetition 2 | passed | write p99 latency | 13,959.168 us |
| Disk write · repetition 3 | passed | write bandwidth | 344.691 MB/s |
| Disk write · repetition 3 | passed | write operations | 328.723 IOPS |
| Disk write · repetition 3 | passed | write p50 latency | 89,653.248 us |
| Disk write · repetition 3 | passed | write p95 latency | 166,723.584 us |
| Disk write · repetition 3 | passed | write p99 latency | 304,087.04 us |
| Disk read · repetition 3 | passed | read bandwidth | 1,298.397 MB/s |
| Disk read · repetition 3 | passed | read operations | 1,238.248 IOPS |
| Disk read · repetition 3 | passed | read p50 latency | 22,675.456 us |
| Disk read · repetition 3 | passed | read p95 latency | 61,079.552 us |
| Disk read · repetition 3 | passed | read p99 latency | 93,847.552 us |
| Disk randwrite · repetition 3 | passed | write bandwidth | 84.547 MB/s |
| Disk randwrite · repetition 3 | passed | write operations | 20,641.324 IOPS |
| Disk randwrite · repetition 3 | passed | write p50 latency | 1,105.92 us |
| Disk randwrite · repetition 3 | passed | write p95 latency | 3,555.328 us |
| Disk randwrite · repetition 3 | passed | write p99 latency | 5,472.256 us |
| Disk randread · repetition 3 | passed | read bandwidth | 322.066 MB/s |
| Disk randread · repetition 3 | passed | read operations | 78,629.279 IOPS |
| Disk randread · repetition 3 | passed | read p50 latency | 313.344 us |
| Disk randread · repetition 3 | passed | read p95 latency | 1,220.608 us |
| Disk randread · repetition 3 | passed | read p99 latency | 1,630.208 us |
| Disk randrw · repetition 3 | passed | read bandwidth | 146.957 MB/s |
| Disk randrw · repetition 3 | passed | read operations | 35,878.116 IOPS |
| Disk randrw · repetition 3 | passed | read p50 latency | 358.4 us |
| Disk randrw · repetition 3 | passed | read p95 latency | 1,236.992 us |
| Disk randrw · repetition 3 | passed | read p99 latency | 2,211.84 us |
| Disk randrw · repetition 3 | passed | write bandwidth | 62.984 MB/s |
| Disk randrw · repetition 3 | passed | write operations | 15,377.05 IOPS |
| Disk randrw · repetition 3 | passed | write p50 latency | 643.072 us |
| Disk randrw · repetition 3 | passed | write p95 latency | 2,211.84 us |
| Disk randrw · repetition 3 | passed | write p99 latency | 4,227.072 us |
Network performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| Network upload endpoint 1 · repetition 1 | passed | Sender throughput | 100.155 Mbit/s |
| Network upload endpoint 1 · repetition 1 | passed | Receiver throughput | 97.43 Mbit/s |
| Network download endpoint 1 · repetition 1 | passed | Sender throughput | 100.076 Mbit/s |
| Network download endpoint 1 · repetition 1 | passed | Receiver throughput | 99.946 Mbit/s |
| Latency endpoint 1 · repetition 1 | passed | Round-trip mean | 143.126 ms |
| Network upload endpoint 2 · repetition 1 | passed | Sender throughput | 100.156 Mbit/s |
| Network upload endpoint 2 · repetition 1 | passed | Receiver throughput | 97.537 Mbit/s |
| Network download endpoint 2 · repetition 1 | passed | Sender throughput | 100.015 Mbit/s |
| Network download endpoint 2 · repetition 1 | passed | Receiver throughput | 99.771 Mbit/s |
| Latency endpoint 2 · repetition 1 | passed | Round-trip mean | 136.927 ms |
PostgreSQL performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| PostgreSQL memory dataset · repetition 1 | passed | Transactions | 1,247.62 transactions/s |
| PostgreSQL memory dataset · repetition 1 | passed | Average latency | 3.203 ms |
| PostgreSQL memory dataset · repetition 2 | passed | Transactions | 1,367.73 transactions/s |
| PostgreSQL memory dataset · repetition 2 | passed | Average latency | 2.922 ms |
| PostgreSQL memory dataset · repetition 3 | passed | Transactions | 1,328.81 transactions/s |
| PostgreSQL memory dataset · repetition 3 | passed | Average latency | 3.007 ms |
| PostgreSQL storage dataset · repetition 1 | passed | Transactions | 907.049 transactions/s |
| PostgreSQL storage dataset · repetition 1 | passed | Average latency | 4.407 ms |
| PostgreSQL storage dataset · repetition 2 | passed | Transactions | 751.894 transactions/s |
| PostgreSQL storage dataset · repetition 2 | passed | Average latency | 5.317 ms |
| PostgreSQL storage dataset · repetition 3 | passed | Transactions | 663.71 transactions/s |
| PostgreSQL storage dataset · repetition 3 | passed | Average latency | 6.023 ms |
Consistency over time
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| 24-hour consistency · repetition 1 | skipped | No measured score | Not measured |
One deployment during its recorded test window. Raw intake logs remain private; the JSON download contains the reviewed, sanitized snapshot.