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.
447.03events/s
1 threads
1 threads
693.57events/s
2 threads
2 threads
- 1 threads447.03
- 2 threads693.57
Within-run medians; thread counts retain their recorded allocation.
Compression · 206.956 MiB/s · passed
02 /
Memory bandwidth
Sequential read and write · recorded sysbench workload.
Read9,703.46 MiB/s
Write9,317.79 MiB/s
- Read9,703.46
- Write9,317.79
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 | 617.976 MB/s | Not measured | 589.348 IOPS | Not measured | 119,013.376 us |
| read | 2,373.777 MB/s | Not measured | 2,263.81 IOPS | Not measured | 17,956.864 us | Not measured |
| randwrite | Not measured | 55.647 MB/s | Not measured | 13,585.628 IOPS | Not measured | 4,685.824 us |
| randread | 375.834 MB/s | Not measured | 91,756.375 IOPS | Not measured | 464.896 us | Not measured |
| randrw | 145.409 MB/s | 62.316 MB/s | 35,500.133 IOPS | 15,213.8 IOPS | 2,179.072 us | 3,391.488 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 | 99.771 Mbit/s | 97.421 Mbit/s | 144.414 ms |
| London endpoint 2 | 99.945 Mbit/s | 97.469 Mbit/s | 136.953 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 | 1,472.71 transactions/s | 2.713 ms |
| storage | 989.809 transactions/s | 4.038 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
Window1278 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 | 2026-10-17T12:14:43.627Z |
| Finished | 2026-10-17T12:36:01.302Z |
| 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 | 446.76 events/s |
| CPU 2 thread(s) · repetition 1 | passed | Events per second | 693.28 events/s |
| CPU 1 thread(s) · repetition 2 | passed | Events per second | 449.17 events/s |
| CPU 2 thread(s) · repetition 2 | passed | Events per second | 694.25 events/s |
| CPU 1 thread(s) · repetition 3 | passed | Events per second | 447.03 events/s |
| CPU 2 thread(s) · repetition 3 | passed | Events per second | 693.57 events/s |
| gzip fixed corpus · repetition 1 | passed | Compression input throughput | 206.956 MiB/s |
Memory bandwidth
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| Memory read · repetition 1 | passed | Bandwidth | 9,822.45 MiB/s |
| Memory write · repetition 1 | passed | Bandwidth | 9,399.65 MiB/s |
| Memory read · repetition 2 | passed | Bandwidth | 9,703.46 MiB/s |
| Memory write · repetition 2 | passed | Bandwidth | 9,286.47 MiB/s |
| Memory read · repetition 3 | passed | Bandwidth | 9,699.14 MiB/s |
| Memory write · repetition 3 | passed | Bandwidth | 9,317.79 MiB/s |
Disk performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| Disk write · repetition 1 | passed | write bandwidth | 617.976 MB/s |
| Disk write · repetition 1 | passed | write operations | 589.348 IOPS |
| Disk write · repetition 1 | passed | write p50 latency | 44,826.624 us |
| Disk write · repetition 1 | passed | write p95 latency | 115,867.648 us |
| Disk write · repetition 1 | passed | write p99 latency | 267,386.88 us |
| Disk read · repetition 1 | passed | read bandwidth | 2,373.777 MB/s |
| Disk read · repetition 1 | passed | read operations | 2,263.81 IOPS |
| Disk read · repetition 1 | passed | read p50 latency | 13,828.096 us |
| Disk read · repetition 1 | passed | read p95 latency | 17,956.864 us |
| Disk read · repetition 1 | passed | read p99 latency | 20,316.16 us |
| Disk randwrite · repetition 1 | passed | write bandwidth | 77.34 MB/s |
| Disk randwrite · repetition 1 | passed | write operations | 18,881.816 IOPS |
| Disk randwrite · repetition 1 | passed | write p50 latency | 593.92 us |
| Disk randwrite · repetition 1 | passed | write p95 latency | 4,112.384 us |
| Disk randwrite · repetition 1 | passed | write p99 latency | 20,054.016 us |
| Disk randread · repetition 1 | passed | read bandwidth | 375.834 MB/s |
| Disk randread · repetition 1 | passed | read operations | 91,756.375 IOPS |
| Disk randread · repetition 1 | passed | read p50 latency | 301.056 us |
| Disk randread · repetition 1 | passed | read p95 latency | 464.896 us |
| Disk randread · repetition 1 | passed | read p99 latency | 1,302.528 us |
| Disk randrw · repetition 1 | passed | read bandwidth | 73.821 MB/s |
| Disk randrw · repetition 1 | passed | read operations | 18,022.592 IOPS |
| Disk randrw · repetition 1 | passed | read p50 latency | 259.072 us |
| Disk randrw · repetition 1 | passed | read p95 latency | 2,801.664 us |
| Disk randrw · repetition 1 | passed | read p99 latency | 11,468.8 us |
| Disk randrw · repetition 1 | passed | write bandwidth | 31.688 MB/s |
| Disk randrw · repetition 1 | passed | write operations | 7,736.43 IOPS |
| Disk randrw · repetition 1 | passed | write p50 latency | 444.416 us |
| Disk randrw · repetition 1 | passed | write p95 latency | 14,221.312 us |
| Disk randrw · repetition 1 | passed | write p99 latency | 25,559.04 us |
| Disk write · repetition 2 | passed | write bandwidth | 624.81 MB/s |
| Disk write · repetition 2 | passed | write operations | 595.865 IOPS |
| Disk write · repetition 2 | passed | write p50 latency | 43,253.76 us |
| Disk write · repetition 2 | passed | write p95 latency | 119,013.376 us |
| Disk write · repetition 2 | passed | write p99 latency | 221,249.536 us |
| Disk read · repetition 2 | passed | read bandwidth | 2,362.475 MB/s |
| Disk read · repetition 2 | passed | read operations | 2,253.032 IOPS |
| Disk read · repetition 2 | passed | read p50 latency | 13,828.096 us |
| Disk read · repetition 2 | passed | read p95 latency | 18,219.008 us |
| Disk read · repetition 2 | passed | read p99 latency | 21,364.736 us |
| Disk randwrite · repetition 2 | passed | write bandwidth | 55.647 MB/s |
| Disk randwrite · repetition 2 | passed | write operations | 13,585.628 IOPS |
| Disk randwrite · repetition 2 | passed | write p50 latency | 749.568 us |
| Disk randwrite · repetition 2 | passed | write p95 latency | 4,685.824 us |
| Disk randwrite · repetition 2 | passed | write p99 latency | 39,059.456 us |
| Disk randread · repetition 2 | passed | read bandwidth | 376.477 MB/s |
| Disk randread · repetition 2 | passed | read operations | 91,913.27 IOPS |
| Disk randread · repetition 2 | passed | read p50 latency | 305.152 us |
| Disk randread · repetition 2 | passed | read p95 latency | 452.608 us |
| Disk randread · repetition 2 | passed | read p99 latency | 888.832 us |
| Disk randrw · repetition 2 | passed | read bandwidth | 145.409 MB/s |
| Disk randrw · repetition 2 | passed | read operations | 35,500.133 IOPS |
| Disk randrw · repetition 2 | passed | read p50 latency | 264.192 us |
| Disk randrw · repetition 2 | passed | read p95 latency | 2,146.304 us |
| Disk randrw · repetition 2 | passed | read p99 latency | 3,588.096 us |
| Disk randrw · repetition 2 | passed | write bandwidth | 62.316 MB/s |
| Disk randrw · repetition 2 | passed | write operations | 15,213.8 IOPS |
| Disk randrw · repetition 2 | passed | write p50 latency | 428.032 us |
| Disk randrw · repetition 2 | passed | write p95 latency | 3,391.488 us |
| Disk randrw · repetition 2 | passed | write p99 latency | 7,176.192 us |
| Disk write · repetition 3 | passed | write bandwidth | 596.133 MB/s |
| Disk write · repetition 3 | passed | write operations | 568.516 IOPS |
| Disk write · repetition 3 | passed | write p50 latency | 43,253.76 us |
| Disk write · repetition 3 | passed | write p95 latency | 139,460.608 us |
| Disk write · repetition 3 | passed | write p99 latency | 250,609.664 us |
| Disk read · repetition 3 | passed | read bandwidth | 2,421.245 MB/s |
| Disk read · repetition 3 | passed | read operations | 2,309.079 IOPS |
| Disk read · repetition 3 | passed | read p50 latency | 13,565.952 us |
| Disk read · repetition 3 | passed | read p95 latency | 17,170.432 us |
| Disk read · repetition 3 | passed | read p99 latency | 19,791.872 us |
| Disk randwrite · repetition 3 | passed | write bandwidth | 40.683 MB/s |
| Disk randwrite · repetition 3 | passed | write operations | 9,932.354 IOPS |
| Disk randwrite · repetition 3 | passed | write p50 latency | 1,056.768 us |
| Disk randwrite · repetition 3 | passed | write p95 latency | 8,978.432 us |
| Disk randwrite · repetition 3 | passed | write p99 latency | 47,972.352 us |
| Disk randread · repetition 3 | passed | read bandwidth | 296.495 MB/s |
| Disk randread · repetition 3 | passed | read operations | 72,386.454 IOPS |
| Disk randread · repetition 3 | passed | read p50 latency | 305.152 us |
| Disk randread · repetition 3 | passed | read p95 latency | 544.768 us |
| Disk randread · repetition 3 | passed | read p99 latency | 3,850.24 us |
| Disk randrw · repetition 3 | passed | read bandwidth | 150.295 MB/s |
| Disk randrw · repetition 3 | passed | read operations | 36,693.144 IOPS |
| Disk randrw · repetition 3 | passed | read p50 latency | 259.072 us |
| Disk randrw · repetition 3 | passed | read p95 latency | 2,179.072 us |
| Disk randrw · repetition 3 | passed | read p99 latency | 3,555.328 us |
| Disk randrw · repetition 3 | passed | write bandwidth | 64.428 MB/s |
| Disk randrw · repetition 3 | passed | write operations | 15,729.542 IOPS |
| Disk randrw · repetition 3 | passed | write p50 latency | 415.744 us |
| Disk randrw · repetition 3 | passed | write p95 latency | 3,358.72 us |
| Disk randrw · repetition 3 | passed | write p99 latency | 5,079.04 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 | 97.421 Mbit/s |
| Network download endpoint 1 · repetition 1 | passed | Sender throughput | 100.053 Mbit/s |
| Network download endpoint 1 · repetition 1 | passed | Receiver throughput | 99.771 Mbit/s |
| Latency endpoint 1 · repetition 1 | passed | Round-trip mean | 144.414 ms |
| Network upload endpoint 2 · repetition 1 | passed | Sender throughput | 100.156 Mbit/s |
| Network upload endpoint 2 · repetition 1 | passed | Receiver throughput | 97.469 Mbit/s |
| Network download endpoint 2 · repetition 1 | passed | Sender throughput | 100.104 Mbit/s |
| Network download endpoint 2 · repetition 1 | passed | Receiver throughput | 99.945 Mbit/s |
| Latency endpoint 2 · repetition 1 | passed | Round-trip mean | 136.953 ms |
PostgreSQL performance
| Workload / repetition | Outcome | Metric | Value |
|---|---|---|---|
| PostgreSQL memory dataset · repetition 1 | passed | Transactions | 1,602.967 transactions/s |
| PostgreSQL memory dataset · repetition 1 | passed | Average latency | 2.492 ms |
| PostgreSQL memory dataset · repetition 2 | passed | Transactions | 1,472.71 transactions/s |
| PostgreSQL memory dataset · repetition 2 | passed | Average latency | 2.713 ms |
| PostgreSQL memory dataset · repetition 3 | passed | Transactions | 871.036 transactions/s |
| PostgreSQL memory dataset · repetition 3 | passed | Average latency | 4.589 ms |
| PostgreSQL storage dataset · repetition 1 | passed | Transactions | 1,054.309 transactions/s |
| PostgreSQL storage dataset · repetition 1 | passed | Average latency | 3.79 ms |
| PostgreSQL storage dataset · repetition 2 | passed | Transactions | 965.547 transactions/s |
| PostgreSQL storage dataset · repetition 2 | passed | Average latency | 4.14 ms |
| PostgreSQL storage dataset · repetition 3 | passed | Transactions | 989.809 transactions/s |
| PostgreSQL storage dataset · repetition 3 | passed | Average latency | 4.038 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.