docs(blog): add benchmarking under-the-hood post with redirect infrastructure#261
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SamBarker wants to merge 10 commits into
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docs(blog): add benchmarking under-the-hood post with redirect infrastructure#261SamBarker wants to merge 10 commits into
SamBarker wants to merge 10 commits into
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Companion to the operator-focused Post 1. Covers the OMB harness design, workload choices, flamegraph analysis, coefficient derivation across the full 3×3 grid, and bugs found in our own tooling. Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Post 2 publication date moved to 2026-06-04 04:30 UTC (4:30 PM NZST). Post 1 brought onto this branch with all coming-soon companion references replaced by links to the published post. Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Post 1 was renamed from 2026-05-26 to 2026-05-28; update the copy on this branch and the post_url link in Post 2 to match. Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
The flamegraphs for both no-filter and encryption scenarios were from the original 3-node cluster (which had co-location issues and produced unrealistically high numbers). Replace with flamegraphs captured at 13,600 msg/s on the correct 11-node cluster (RF=3, 1 topic, 1 partition) from the rate-sweep-1core-rf3 suite. No-filter flamegraph: proxy-no-filters-cpu-profile.html updated in place. Encryption flamegraph: encryption-cpu-profile-36k.html removed (wrong cluster), encryption-cpu-profile-13k.html added (correct cluster, 13k rate). CPU percentage tables in Post 2 recomputed from async-profiler self-time data in the new flamegraph HTML files. Key findings change: - No-filter syscalls: 59.2% → 63.2% (distributed cluster has real network) - No-filter Kroxylicious: 1.4% → 1.7% - Encryption GC pressure: +4.9% → +10.3% (bigger indirect cost) - Encryption direct AES-GCM: 11.3% → 6.5% Also fix the record-encryption docs link in Post 1 (0.20.0 → 0.21.0). Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Rename section to 'Wait! Just... one... more... run...' and add two flamegraph-motivated experiments: io_uring (to address the 63% send/recv syscall cost in the passthrough proxy) and GC tuning (to address the 10.5% GC overhead in the encryption scenario, with Generational ZGC as a well-motivated first experiment). Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Adds AbsoluteRedirectPage to support version-free redirects to external
URLs. Mappings with absoluteTarget bypass the version loop and generate a
single page at /redirect/{group}/{subgroup}/{name}. Existing versioned
redirect mappings are unaffected.
Adds blog.yaml with a redirect to the benchmarking-the-proxy raw data
folder on Google Drive.
Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Future-dated posts are excluded from Jekyll builds by default, breaking post_url references in Post 1. Backdate to today so the site builds without --future. Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
Assisted-by: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Sam Barker <sam@quadrocket.co.uk>
robobario
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| | | 1-core (1000m) | 2-core (2000m) | 4-core (4000m) | | ||
| |---|---|---|---| | ||
| | **1 topic** | 15.7 mc/MB/s | 24.3 mc/MB/s | 30.5 mc/MB/s† | | ||
| | **10 topics** | 10.0 mc/MB/s | 19.9 mc/MB/s | 25.1 mc/MB/s | | ||
| | **100 topics** | 4.3 mc/MB/s | 6.8 mc/MB/s | 8.0 mc/MB/s | |
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claude was complaining that this table is a bit hard to square with the linear scaling claim, saying a constant coefficient would be expected in that case. maybe just needs some further explanation?
robobario
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LGTM, claude suggesting the triple question-mark is a bit much in the title, too social-media-ey. Also that it's quite aside heavy so maybe one or two of them could be dropped (WHAT BROKE NOW??) is the most expendable
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Summary
absoluteTargetsupport for version-free external redirects, with asubgroupfield for nested URL pathsblog.yamlredirect mapping linking to raw benchmark data (OMB results, metrics, JFR recordings) on Google Drive via/redirect/blog/benchmarking-the-proxy-under-the-hood/benchmark-dataTest plan
./run.shbuilds without errorshttp://127.0.0.1:4000/redirect/blog/benchmarking-the-proxy-under-the-hood/benchmark-dataredirects to Google Drive folder/redirect/errors/,/redirect/qr-codes/) still work🤖 Generated with Claude Code