61 lines
2.3 KiB
JavaScript
61 lines
2.3 KiB
JavaScript
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// folder_cascade.js — measures the read-path of `GET /api/folders/{id}/resources?resource_types=folder`
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// at four depths against a pre-seeded tree. Captures how listing cost scales
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// with ltree depth (cf. `idx_folders_lpath` GiST index). Mid-depth samples
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// (depth4, depth8) fall back to `deepest` when the seeded tree is shallower
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// than that depth — see load-seed.rs::build_subtree.
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import { check } from 'k6';
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import http from 'k6/http';
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import { BASE, authParams } from '../lib/http.js';
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import { login } from '../lib/auth.js';
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import { thresholdsFromBaseline, loadManifest } from '../lib/metrics.js';
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const manifest = loadManifest();
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export const options = {
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vus: 1,
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// 100 iterations gives p99 statistical meaning: at N=100, p99 = position 99,
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// representing one bad sample out of a hundred — a real percentile rather
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// than the worst-of-the-batch. At N=25 (the typical k6 example default),
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// p99 ≈ max, dominated by single-sample kernel/scheduler noise.
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iterations: 100,
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thresholds: thresholdsFromBaseline('folder_cascade'),
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};
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// One per-VU login. K6 calls setup() once across the whole test, default()
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// `iterations` times per VU. Logging in inside default() would dominate the
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// per-iter cost; we hand the token down through the `data` arg.
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export function setup() {
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const token = login(manifest.admin.username, manifest.admin.password);
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return { token };
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}
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export default function (data) {
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const { token } = data;
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const t = manifest.shared_subtree;
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const r1 = http.get(
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`${BASE}/api/folders/${t.root}/resources?resource_types=folder`,
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authParams(token, 'folder_cascade.list_depth1'),
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);
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check(r1, { 'list depth1 200': (r) => r.status === 200 });
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const r4 = http.get(
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`${BASE}/api/folders/${t.depth4}/resources?resource_types=folder`,
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authParams(token, 'folder_cascade.list_depth4'),
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);
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check(r4, { 'list depth4 200': (r) => r.status === 200 });
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const r8 = http.get(
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`${BASE}/api/folders/${t.depth8}/resources?resource_types=folder`,
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authParams(token, 'folder_cascade.list_depth8'),
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);
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check(r8, { 'list depth8 200': (r) => r.status === 200 });
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const rD = http.get(
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`${BASE}/api/folders/${t.deepest}/resources?resource_types=folder`,
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authParams(token, 'folder_cascade.list_depth_deep'),
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);
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check(rD, { 'list deepest 200': (r) => r.status === 200 });
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}
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