mirror of
https://github.com/vrtmrz/obsidian-livesync.git
synced 2026-08-28 22:37:08 +00:00
Re-evaluate optional features for 1.0
This commit is contained in:
@@ -0,0 +1,603 @@
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import { join } from "@std/path";
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import { TempDir } from "./helpers/temp.ts";
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import { applyRemoteSyncSettings, initSettingsFile } from "./helpers/settings.ts";
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import { assertFilesEqual } from "./helpers/cli.ts";
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import { runMeasuredCliOrFail, type CliProcessMeasurement } from "./helpers/measuredCli.ts";
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import { createCouchdbDatabase, startCouchdb, stopCouchdb } from "./helpers/docker.ts";
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import {
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createCompressionBenchmarkDataset,
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type CompressionDataset,
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type CompressionDatasetEntry,
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} from "./helpers/compressionDataset.ts";
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import { computeDatasetDigestSha256 } from "./helpers/benchmarkVerification.ts";
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import { startCouchdbProxy, type CouchdbProxyCounters } from "./bench-couchdb.ts";
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import type { DatasetKind } from "./helpers/dataset.ts";
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type CompressionCondition = {
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name: string;
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encrypt: boolean;
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enableCompression: boolean;
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};
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type CouchDbSizes = {
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file: number;
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external: number;
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active: number;
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};
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type PerKindRemoteMeasurement = {
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sourceFiles: number;
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sourceBytes: number;
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mappedFiles: number;
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uniqueReferencedChunks: number;
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storedChunkDataBytes: number;
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storedChunkJsonBytes: number;
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};
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type RemoteMeasurement = {
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couchdbSizes: CouchDbSizes;
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documentCount: number;
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chunkDocumentCount: number;
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metadataDocumentCount: number;
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compressedMarkerCount: number;
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encryptedChunkCount: number;
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storedChunkDataBytes: number;
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storedChunkJsonBytes: number;
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perKind: Record<DatasetKind, PerKindRemoteMeasurement>;
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};
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type RunResult = {
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condition: CompressionCondition;
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repeatIndex: number;
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executionOrder: number;
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databaseName: string;
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datasetDigestSha256: string;
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dataset: {
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totalFiles: number;
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totalBytes: number;
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filesByKind: CompressionDataset["filesByKind"];
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bytesByKind: CompressionDataset["bytesByKind"];
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jpegGenerator: string;
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};
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effectiveSettings: Record<string, unknown>;
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mirror: CliProcessMeasurement;
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upload: CliProcessMeasurement & { http: CouchdbProxyCounters };
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download: CliProcessMeasurement & { http: CouchdbProxyCounters };
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materialisation: CliProcessMeasurement & { http: CouchdbProxyCounters };
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verification: {
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verifiedFiles: number;
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complete: boolean;
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};
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remote: RemoteMeasurement;
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};
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const CONDITIONS: CompressionCondition[] = [
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{ name: "plain", encrypt: false, enableCompression: false },
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{ name: "plain-compressed", encrypt: false, enableCompression: true },
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{ name: "e2ee", encrypt: true, enableCompression: false },
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{ name: "e2ee-compressed", encrypt: true, enableCompression: true },
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];
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const DATASET_KINDS: DatasetKind[] = ["md", "jpg", "png", "json", "ts", "gz", "bin"];
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const COMPRESSED_MARKER = "\u000eLZ\u001d";
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function readEnvString(name: string, fallback: string): string {
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const value = Deno.env.get(name)?.trim();
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return value ? value : fallback;
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}
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function readEnvPositiveInteger(name: string, fallback: number): number {
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const raw = Deno.env.get(name)?.trim();
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if (!raw) return fallback;
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const value = Number(raw);
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if (!Number.isInteger(value) || value <= 0) {
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throw new Error(`${name} must be a positive integer, got '${raw}'`);
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}
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return value;
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}
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function readEnvPositiveNumber(name: string, fallback: number): number {
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const raw = Deno.env.get(name)?.trim();
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if (!raw) return fallback;
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const value = Number(raw);
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if (!Number.isFinite(value) || value <= 0) {
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throw new Error(`${name} must be positive, got '${raw}'`);
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}
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return value;
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}
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function readEnvBoolean(name: string, fallback: boolean): boolean {
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const raw = Deno.env.get(name)?.trim();
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if (!raw) return fallback;
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return /^(1|true|yes|on)$/i.test(raw);
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}
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function byteLength(value: string): number {
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return new TextEncoder().encode(value).byteLength;
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}
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function median(values: number[]): number {
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if (values.length === 0) return 0;
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const sorted = [...values].sort((a, b) => a - b);
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const middle = Math.floor(sorted.length / 2);
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if (sorted.length % 2 === 1) return sorted[middle];
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return (sorted[middle - 1] + sorted[middle]) / 2;
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}
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function rounded(value: number): number {
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return Number(value.toFixed(4));
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}
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function deltaPercent(enabled: number, disabled: number): number | null {
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if (disabled === 0) return null;
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return rounded(((enabled - disabled) / disabled) * 100);
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}
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function reductionPercent(enabled: number, disabled: number): number | null {
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if (disabled === 0) return null;
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return rounded((1 - enabled / disabled) * 100);
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}
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function basicAuth(user: string, password: string): string {
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return `Basic ${btoa(`${user}:${password}`)}`;
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}
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async function couchRequest(
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baseUri: string,
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user: string,
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password: string,
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path: string,
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init: RequestInit = {},
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allowedStatuses: number[] = []
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): Promise<Response> {
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const response = await fetch(`${baseUri.replace(/\/$/, "")}${path}`, {
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...init,
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headers: {
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Authorization: basicAuth(user, password),
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...(init.method === "POST" || init.body ? { "Content-Type": "application/json" } : {}),
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...init.headers,
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},
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});
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if (!response.ok && !allowedStatuses.includes(response.status)) {
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throw new Error(`${init.method ?? "GET"} ${path}: ${response.status} ${await response.text()}`);
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}
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return response;
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}
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async function deleteDatabase(baseUri: string, user: string, password: string, databaseName: string): Promise<void> {
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const response = await couchRequest(
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baseUri,
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user,
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password,
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`/${encodeURIComponent(databaseName)}`,
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{ method: "DELETE" },
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[404]
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);
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await response.body?.cancel().catch(() => {});
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}
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function blankPerKind(dataset: CompressionDataset): Record<DatasetKind, PerKindRemoteMeasurement> {
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return Object.fromEntries(
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DATASET_KINDS.map((kind) => [
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kind,
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{
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sourceFiles: dataset.filesByKind[kind],
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sourceBytes: dataset.bytesByKind[kind],
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mappedFiles: 0,
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uniqueReferencedChunks: 0,
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storedChunkDataBytes: 0,
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storedChunkJsonBytes: 0,
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},
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])
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) as Record<DatasetKind, PerKindRemoteMeasurement>;
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}
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function findDatasetEntry(path: unknown, entries: CompressionDatasetEntry[]): CompressionDatasetEntry | undefined {
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if (typeof path !== "string") return undefined;
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return entries.find((entry) => path === entry.relativePath || path.endsWith(`/${entry.relativePath}`));
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}
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async function inspectRemoteDatabase(options: {
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baseUri: string;
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user: string;
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password: string;
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databaseName: string;
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dataset: CompressionDataset;
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}): Promise<RemoteMeasurement> {
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const dbPath = `/${encodeURIComponent(options.databaseName)}`;
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await couchRequest(options.baseUri, options.user, options.password, `${dbPath}/_ensure_full_commit`, {
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method: "POST",
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body: "{}",
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});
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const [info, allDocs] = await Promise.all([
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couchRequest(options.baseUri, options.user, options.password, dbPath).then((response) => response.json()),
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couchRequest(options.baseUri, options.user, options.password, `${dbPath}/_all_docs?include_docs=true`).then(
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(response) => response.json()
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),
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]);
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const rows = (allDocs as { rows?: Array<{ doc?: Record<string, unknown> }> }).rows ?? [];
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const docs = rows.flatMap((row) => (row.doc ? [row.doc] : []));
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const docsById = new Map(docs.flatMap((doc) => (typeof doc._id === "string" ? [[doc._id, doc] as const] : [])));
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const metadataDocs = docs.filter((doc) => Array.isArray(doc.children) && typeof doc.path === "string");
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const chunkDocs = docs.filter(
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(doc) =>
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(doc.type === "leaf" || doc.type === "chunkpack") &&
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typeof doc.data === "string" &&
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typeof doc._id === "string"
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);
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const perKind = blankPerKind(options.dataset);
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const chunkIdsByKind = new Map(DATASET_KINDS.map((kind) => [kind, new Set<string>()] as const));
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for (const doc of metadataDocs) {
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const entry = findDatasetEntry(doc.path, options.dataset.entries);
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if (!entry) continue;
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perKind[entry.kind].mappedFiles += 1;
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for (const child of doc.children as unknown[]) {
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if (typeof child === "string") chunkIdsByKind.get(entry.kind)!.add(child);
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}
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}
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for (const kind of DATASET_KINDS) {
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const chunkIds = chunkIdsByKind.get(kind)!;
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perKind[kind].uniqueReferencedChunks = chunkIds.size;
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for (const chunkId of chunkIds) {
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const chunk = docsById.get(chunkId);
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if (!chunk || typeof chunk.data !== "string") continue;
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perKind[kind].storedChunkDataBytes += byteLength(chunk.data);
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perKind[kind].storedChunkJsonBytes += byteLength(JSON.stringify(chunk));
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}
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}
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const sizeInfo = (info as { sizes?: Partial<CouchDbSizes>; doc_count?: number }).sizes ?? {};
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return {
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couchdbSizes: {
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file: sizeInfo.file ?? 0,
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external: sizeInfo.external ?? 0,
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active: sizeInfo.active ?? 0,
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},
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documentCount: (info as { doc_count?: number }).doc_count ?? docs.length,
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chunkDocumentCount: chunkDocs.length,
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metadataDocumentCount: metadataDocs.length,
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compressedMarkerCount: chunkDocs.filter(
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(doc) => typeof doc.data === "string" && doc.data.startsWith(COMPRESSED_MARKER)
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).length,
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encryptedChunkCount: chunkDocs.filter((doc) => doc.e_ === true).length,
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storedChunkDataBytes: chunkDocs.reduce(
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(sum, doc) => sum + (typeof doc.data === "string" ? byteLength(doc.data) : 0),
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0
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),
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storedChunkJsonBytes: chunkDocs.reduce((sum, doc) => sum + byteLength(JSON.stringify(doc)), 0),
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perKind,
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};
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}
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async function verifyDataset(
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workDir: TempDir,
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vaultB: string,
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settingsB: string,
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entries: CompressionDatasetEntry[]
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): Promise<CliProcessMeasurement> {
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const started = performance.now();
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const measurements: CliProcessMeasurement[] = [];
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for (const entry of entries) {
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const pulledPath = workDir.join(`verify-${entry.kind}-${entry.relativePath.split("/").at(-1)}`);
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measurements.push(
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await runMeasuredCliOrFail(vaultB, "--settings", settingsB, "pull", entry.relativePath, pulledPath)
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);
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await assertFilesEqual(entry.absolutePath, pulledPath, `compression benchmark mismatch: ${entry.relativePath}`);
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}
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const elapsedMs = performance.now() - started;
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const userCpuMs = measurements.reduce((sum, measurement) => sum + measurement.userCpuMs, 0);
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const systemCpuMs = measurements.reduce((sum, measurement) => sum + measurement.systemCpuMs, 0);
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const totalCpuMs = userCpuMs + systemCpuMs;
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return {
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elapsedMs: rounded(elapsedMs),
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userCpuMs: rounded(userCpuMs),
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systemCpuMs: rounded(systemCpuMs),
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totalCpuMs: rounded(totalCpuMs),
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cpuToWallRatio: rounded(totalCpuMs / elapsedMs),
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maxResidentSetKiB: Math.max(...measurements.map((measurement) => measurement.maxResidentSetKiB)),
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};
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}
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function summariseResults(results: RunResult[]) {
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const byCondition = Object.fromEntries(
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CONDITIONS.map((condition) => {
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const runs = results.filter((result) => result.condition.name === condition.name);
|
||||
return [
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||||
condition.name,
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{
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repeats: runs.length,
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remoteStoredChunkDataBytesMedian: median(runs.map((run) => run.remote.storedChunkDataBytes)),
|
||||
couchdbExternalBytesMedian: median(runs.map((run) => run.remote.couchdbSizes.external)),
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couchdbFileBytesMedian: median(runs.map((run) => run.remote.couchdbSizes.file)),
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uploadRequestBodyBytesMedian: median(runs.map((run) => run.upload.http.requestBodyBytes)),
|
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uploadResponseBodyBytesMedian: median(runs.map((run) => run.upload.http.responseBodyBytes)),
|
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downloadRequestBodyBytesMedian: median(runs.map((run) => run.download.http.requestBodyBytes)),
|
||||
downloadResponseBodyBytesMedian: median(runs.map((run) => run.download.http.responseBodyBytes)),
|
||||
uploadElapsedMsMedian: median(runs.map((run) => run.upload.elapsedMs)),
|
||||
uploadCpuMsMedian: median(runs.map((run) => run.upload.totalCpuMs)),
|
||||
downloadElapsedMsMedian: median(runs.map((run) => run.download.elapsedMs)),
|
||||
downloadCpuMsMedian: median(runs.map((run) => run.download.totalCpuMs)),
|
||||
materialisationElapsedMsMedian: median(runs.map((run) => run.materialisation.elapsedMs)),
|
||||
materialisationCpuMsMedian: median(runs.map((run) => run.materialisation.totalCpuMs)),
|
||||
materialisationResponseBodyBytesMedian: median(
|
||||
runs.map((run) => run.materialisation.http.responseBodyBytes)
|
||||
),
|
||||
completeDownloadResponseBodyBytesMedian: median(
|
||||
runs.map(
|
||||
(run) => run.download.http.responseBodyBytes + run.materialisation.http.responseBodyBytes
|
||||
)
|
||||
),
|
||||
completeDownloadElapsedMsMedian: median(
|
||||
runs.map((run) => run.download.elapsedMs + run.materialisation.elapsedMs)
|
||||
),
|
||||
completeDownloadCpuMsMedian: median(
|
||||
runs.map((run) => run.download.totalCpuMs + run.materialisation.totalCpuMs)
|
||||
),
|
||||
maxResidentSetKiBMedian: median(
|
||||
runs.map((run) =>
|
||||
Math.max(
|
||||
run.upload.maxResidentSetKiB,
|
||||
run.download.maxResidentSetKiB,
|
||||
run.materialisation.maxResidentSetKiB
|
||||
)
|
||||
)
|
||||
),
|
||||
perKindStoredChunkDataBytesMedian: Object.fromEntries(
|
||||
DATASET_KINDS.map((kind) => [
|
||||
kind,
|
||||
median(runs.map((run) => run.remote.perKind[kind].storedChunkDataBytes)),
|
||||
])
|
||||
),
|
||||
},
|
||||
];
|
||||
})
|
||||
);
|
||||
|
||||
const comparisons = [false, true].map((encrypt) => {
|
||||
const disabledName = encrypt ? "e2ee" : "plain";
|
||||
const enabledName = encrypt ? "e2ee-compressed" : "plain-compressed";
|
||||
const disabled = byCondition[disabledName] as Record<string, unknown>;
|
||||
const enabled = byCondition[enabledName] as Record<string, unknown>;
|
||||
const disabledPerKind = disabled.perKindStoredChunkDataBytesMedian as Record<DatasetKind, number>;
|
||||
const enabledPerKind = enabled.perKindStoredChunkDataBytesMedian as Record<DatasetKind, number>;
|
||||
return {
|
||||
encrypt,
|
||||
disabledCondition: disabledName,
|
||||
enabledCondition: enabledName,
|
||||
storedChunkDataReductionPercent: reductionPercent(
|
||||
enabled.remoteStoredChunkDataBytesMedian as number,
|
||||
disabled.remoteStoredChunkDataBytesMedian as number
|
||||
),
|
||||
couchdbExternalReductionPercent: reductionPercent(
|
||||
enabled.couchdbExternalBytesMedian as number,
|
||||
disabled.couchdbExternalBytesMedian as number
|
||||
),
|
||||
couchdbFileReductionPercent: reductionPercent(
|
||||
enabled.couchdbFileBytesMedian as number,
|
||||
disabled.couchdbFileBytesMedian as number
|
||||
),
|
||||
uploadRequestBodyReductionPercent: reductionPercent(
|
||||
enabled.uploadRequestBodyBytesMedian as number,
|
||||
disabled.uploadRequestBodyBytesMedian as number
|
||||
),
|
||||
completeDownloadResponseBodyReductionPercent: reductionPercent(
|
||||
enabled.completeDownloadResponseBodyBytesMedian as number,
|
||||
disabled.completeDownloadResponseBodyBytesMedian as number
|
||||
),
|
||||
uploadElapsedDeltaPercent: deltaPercent(
|
||||
enabled.uploadElapsedMsMedian as number,
|
||||
disabled.uploadElapsedMsMedian as number
|
||||
),
|
||||
uploadCpuDeltaPercent: deltaPercent(
|
||||
enabled.uploadCpuMsMedian as number,
|
||||
disabled.uploadCpuMsMedian as number
|
||||
),
|
||||
downloadElapsedDeltaPercent: deltaPercent(
|
||||
enabled.downloadElapsedMsMedian as number,
|
||||
disabled.downloadElapsedMsMedian as number
|
||||
),
|
||||
downloadCpuDeltaPercent: deltaPercent(
|
||||
enabled.downloadCpuMsMedian as number,
|
||||
disabled.downloadCpuMsMedian as number
|
||||
),
|
||||
completeDownloadElapsedDeltaPercent: deltaPercent(
|
||||
enabled.completeDownloadElapsedMsMedian as number,
|
||||
disabled.completeDownloadElapsedMsMedian as number
|
||||
),
|
||||
completeDownloadCpuDeltaPercent: deltaPercent(
|
||||
enabled.completeDownloadCpuMsMedian as number,
|
||||
disabled.completeDownloadCpuMsMedian as number
|
||||
),
|
||||
perKindStoredChunkDataReductionPercent: Object.fromEntries(
|
||||
DATASET_KINDS.map((kind) => [kind, reductionPercent(enabledPerKind[kind], disabledPerKind[kind])])
|
||||
),
|
||||
};
|
||||
});
|
||||
return { byCondition, comparisons };
|
||||
}
|
||||
|
||||
async function main(): Promise<void> {
|
||||
const backendUri = readEnvString("BENCH_COUCHDB_BACKEND_URI", "http://127.0.0.1:5989");
|
||||
const proxyUri = readEnvString("BENCH_COUCHDB_URI", "http://127.0.0.1:15989");
|
||||
const user = readEnvString("BENCH_COUCHDB_USER", readEnvString("username", "admin"));
|
||||
const password = readEnvString("BENCH_COUCHDB_PASSWORD", readEnvString("password", "password"));
|
||||
const databasePrefix = readEnvString("BENCH_COUCHDB_DBNAME", `compression-bench-${Date.now()}`);
|
||||
const repeatCount = readEnvPositiveInteger("BENCH_COMPRESSION_REPEAT_COUNT", 1);
|
||||
const requestedRttMs = readEnvPositiveNumber("BENCH_COUCHDB_RTT_MS", 1);
|
||||
const managedCouchdb = readEnvBoolean("BENCH_COUCHDB_MANAGED", true);
|
||||
const passphrase = readEnvString("BENCH_PASSPHRASE", "compression-benchmark-passphrase");
|
||||
const resultRoot = readEnvString("BENCH_COMPRESSION_RESULT_ROOT", "bench-results");
|
||||
const resultPath =
|
||||
Deno.env.get("BENCH_COMPRESSION_RESULT_JSON")?.trim() ||
|
||||
join(resultRoot, `compression-${new Date().toISOString().replaceAll(":", "-")}.json`);
|
||||
const createdDatabases = new Set<string>();
|
||||
const results: RunResult[] = [];
|
||||
let managedStarted = false;
|
||||
|
||||
await Deno.mkdir(resultRoot, { recursive: true });
|
||||
const proxy = startCouchdbProxy({ backendUri, proxyUri, requestedRttMs });
|
||||
|
||||
try {
|
||||
for (let repeatIndex = 1; repeatIndex <= repeatCount; repeatIndex++) {
|
||||
const rotation = (repeatIndex - 1) % CONDITIONS.length;
|
||||
const orderedConditions = [...CONDITIONS.slice(rotation), ...CONDITIONS.slice(0, rotation)];
|
||||
for (const [executionOffset, condition] of orderedConditions.entries()) {
|
||||
const databaseName = `${databasePrefix}-${repeatIndex}-${condition.name}`.toLowerCase();
|
||||
if (managedCouchdb && !managedStarted) {
|
||||
await startCouchdb(backendUri, user, password, databaseName);
|
||||
managedStarted = true;
|
||||
} else {
|
||||
await createCouchdbDatabase(backendUri, user, password, databaseName);
|
||||
}
|
||||
createdDatabases.add(databaseName);
|
||||
|
||||
await using workDir = await TempDir.create(`livesync-compression-${condition.name}`);
|
||||
const vaultA = workDir.join("vault-a");
|
||||
const vaultB = workDir.join("vault-b");
|
||||
const settingsA = workDir.join("settings-a.json");
|
||||
const settingsB = workDir.join("settings-b.json");
|
||||
await Deno.mkdir(vaultA, { recursive: true });
|
||||
await Deno.mkdir(vaultB, { recursive: true });
|
||||
await initSettingsFile(settingsA);
|
||||
await initSettingsFile(settingsB);
|
||||
await Promise.all(
|
||||
[settingsA, settingsB].map((settingsFile) =>
|
||||
applyRemoteSyncSettings(settingsFile, {
|
||||
remoteType: "COUCHDB",
|
||||
couchdbUri: proxyUri,
|
||||
couchdbUser: user,
|
||||
couchdbPassword: password,
|
||||
couchdbDbname: databaseName,
|
||||
encrypt: condition.encrypt,
|
||||
passphrase,
|
||||
enableCompression: condition.enableCompression,
|
||||
usePathObfuscation: false,
|
||||
})
|
||||
)
|
||||
);
|
||||
|
||||
const dataset = await createCompressionBenchmarkDataset({ rootDir: vaultA });
|
||||
const datasetDigestSha256 = await computeDatasetDigestSha256(dataset.entries);
|
||||
const mirror = await runMeasuredCliOrFail(vaultA, "--settings", settingsA, "mirror");
|
||||
|
||||
proxy.resetCounters();
|
||||
const uploadMeasurement = await runMeasuredCliOrFail(vaultA, "--settings", settingsA, "sync");
|
||||
const upload = { ...uploadMeasurement, http: proxy.snapshotCounters() };
|
||||
|
||||
proxy.resetCounters();
|
||||
const downloadMeasurement = await runMeasuredCliOrFail(vaultB, "--settings", settingsB, "sync");
|
||||
const download = { ...downloadMeasurement, http: proxy.snapshotCounters() };
|
||||
|
||||
proxy.resetCounters();
|
||||
const materialisationMeasurement = await verifyDataset(workDir, vaultB, settingsB, dataset.entries);
|
||||
const materialisation = {
|
||||
...materialisationMeasurement,
|
||||
http: proxy.snapshotCounters(),
|
||||
};
|
||||
const remote = await inspectRemoteDatabase({
|
||||
baseUri: backendUri,
|
||||
user,
|
||||
password,
|
||||
databaseName,
|
||||
dataset,
|
||||
});
|
||||
const settings = JSON.parse(await Deno.readTextFile(settingsA)) as Record<string, unknown>;
|
||||
const effectiveSettings = Object.fromEntries(
|
||||
[
|
||||
"encrypt",
|
||||
"enableCompression",
|
||||
"E2EEAlgorithm",
|
||||
"usePathObfuscation",
|
||||
"chunkSplitterVersion",
|
||||
"customChunkSize",
|
||||
"minimumChunkSize",
|
||||
"hashAlg",
|
||||
].map((key) => [key, settings[key]])
|
||||
);
|
||||
|
||||
results.push({
|
||||
condition,
|
||||
repeatIndex,
|
||||
executionOrder: executionOffset + 1,
|
||||
databaseName,
|
||||
datasetDigestSha256,
|
||||
dataset: {
|
||||
totalFiles: dataset.totalFiles,
|
||||
totalBytes: dataset.totalBytes,
|
||||
filesByKind: dataset.filesByKind,
|
||||
bytesByKind: dataset.bytesByKind,
|
||||
jpegGenerator: dataset.jpegGenerator,
|
||||
},
|
||||
effectiveSettings,
|
||||
mirror,
|
||||
upload,
|
||||
download,
|
||||
materialisation,
|
||||
verification: { verifiedFiles: dataset.entries.length, complete: true },
|
||||
remote,
|
||||
});
|
||||
await deleteDatabase(backendUri, user, password, databaseName);
|
||||
createdDatabases.delete(databaseName);
|
||||
console.error(
|
||||
`[Compression benchmark] repeat ${repeatIndex}/${repeatCount} ${condition.name}: ` +
|
||||
`${dataset.totalFiles} files, ${remote.chunkDocumentCount} chunks, ` +
|
||||
`${remote.storedChunkDataBytes} stored chunk-data bytes`
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
const output = {
|
||||
schemaVersion: 1,
|
||||
mode: "couchdb-cli-compression-benchmark",
|
||||
generatedAt: new Date().toISOString(),
|
||||
commonlibVersion: (
|
||||
JSON.parse(
|
||||
await Deno.readTextFile(
|
||||
join(import.meta.dirname!, "../../../../node_modules/@vrtmrz/livesync-commonlib/package.json")
|
||||
)
|
||||
) as { version: string }
|
||||
).version,
|
||||
couchdbVersion: (
|
||||
(await couchRequest(backendUri, user, password, "/").then((response) => response.json())) as {
|
||||
version?: string;
|
||||
}
|
||||
).version,
|
||||
compressionImplementation: "Commonlib replicationFilter using fflate level 8 before E2EE V2",
|
||||
chunkingImplementation: "LiveSync CLI mirror using the effective settings recorded for each run",
|
||||
requestedRttMs,
|
||||
httpByteScope:
|
||||
"Decoded HTTP request and response body bytes observed by the local proxy; headers are excluded.",
|
||||
limitations: [
|
||||
"Synthetic JPEGs exercise a deterministic image-like fixture but are not a photographic corpus.",
|
||||
"PNG, Markdown, JSON, and TypeScript inputs are current repository files and therefore change with the source tree.",
|
||||
"Wall and CPU times include CLI process start-up; compare repeated medians rather than treating one run as a universal result.",
|
||||
"Full materialisation starts one CLI process per file and can repeat lazy chunk fetches; treat it as a CLI workflow measurement rather than a raw download lower bound.",
|
||||
"The benchmark uses a local CouchDB and a fixed latency proxy, not a contended production server or a real WAN.",
|
||||
"Path obfuscation is explicitly disabled so raw metadata can be mapped back to file kinds.",
|
||||
],
|
||||
repeatCount,
|
||||
conditions: CONDITIONS,
|
||||
summary: summariseResults(results),
|
||||
runs: results,
|
||||
};
|
||||
await Deno.writeTextFile(resultPath, JSON.stringify(output, null, 2));
|
||||
console.log(JSON.stringify(output, null, 2));
|
||||
console.error(`[Compression benchmark] wrote ${resultPath}`);
|
||||
} finally {
|
||||
await proxy.stop();
|
||||
for (const databaseName of createdDatabases) {
|
||||
await deleteDatabase(backendUri, user, password, databaseName).catch((error) => console.error(error));
|
||||
}
|
||||
if (managedCouchdb && managedStarted) {
|
||||
await stopCouchdb().catch(() => {});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (import.meta.main) {
|
||||
main().catch((error) => {
|
||||
console.error("[Compression benchmark fatal]", error);
|
||||
Deno.exit(1);
|
||||
});
|
||||
}
|
||||
Reference in New Issue
Block a user