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perf: log cache directory sizes for visibility

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Log GOMODCACHE and GOCACHE sizes (in human-readable format) after
restore and before save. This helps diagnose cache bloat and monitor
the impact of cache-build settings.

https://claude.ai/code/session_01CqrWSjzGgd7Zi6LyJkd9XW
This commit is contained in:
Claude 2026-04-04 18:17:13 +00:00
parent cf0b11600c
commit 867e185dcc
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5 changed files with 141 additions and 4 deletions
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46
dist/cache-save/index.js vendored
View file

@ -102605,6 +102605,7 @@ const cachePackages = () => __awaiter(void 0, void 0, void 0, function* () {
core.info(`Cache hit occurred on the primary key ${primaryKey} and build hash ${buildHash}, not saving cache.`);
return;
}
(0, cache_utils_1.logCacheSizes)(cachePaths);
const updatedKey = primaryKey + (buildHash ? `-${buildHash}` : '');
const start = Date.now();
const cacheId = yield cache.saveCache(cachePaths, updatedKey);
@ -102660,11 +102661,16 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isCacheFeatureAvailable = exports.isGhes = exports.getCacheDirectoryPath = exports.getPackageManagerInfo = exports.getCommandOutput = void 0;
exports.isCacheFeatureAvailable = exports.isGhes = exports.logCacheSizes = exports.getCacheDirectoryPath = exports.getPackageManagerInfo = exports.getCommandOutput = void 0;
const cache = __importStar(__nccwpck_require__(27799));
const core = __importStar(__nccwpck_require__(42186));
const exec = __importStar(__nccwpck_require__(71514));
const fs_1 = __importDefault(__nccwpck_require__(57147));
const path_1 = __importDefault(__nccwpck_require__(71017));
const package_managers_1 = __nccwpck_require__(96663);
const getCommandOutput = (toolCommand) => __awaiter(void 0, void 0, void 0, function* () {
let { stdout, stderr, exitCode } = yield exec.getExecOutput(toolCommand, undefined, { ignoreReturnCode: true });
@ -102706,6 +102712,44 @@ const getCacheDirectoryPath = (packageManagerInfo_1, ...args_1) => __awaiter(voi
return cachePaths;
});
exports.getCacheDirectoryPath = getCacheDirectoryPath;
function getDirSizeBytes(dirPath) {
if (!fs_1.default.existsSync(dirPath))
return 0;
const stat = fs_1.default.statSync(dirPath);
if (!stat.isDirectory())
return stat.size;
let total = 0;
for (const entry of fs_1.default.readdirSync(dirPath, { withFileTypes: true })) {
const entryPath = path_1.default.join(dirPath, entry.name);
if (entry.isDirectory()) {
total += getDirSizeBytes(entryPath);
}
else {
total += fs_1.default.statSync(entryPath).size;
}
}
return total;
}
function formatSize(bytes) {
if (bytes < 1024)
return `${bytes} B`;
if (bytes < 1024 * 1024)
return `${(bytes / 1024).toFixed(1)} KB`;
if (bytes < 1024 * 1024 * 1024)
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
}
function logCacheSizes(cachePaths) {
const labels = ['GOMODCACHE', 'GOCACHE'];
let total = 0;
for (let i = 0; i < cachePaths.length; i++) {
const size = getDirSizeBytes(cachePaths[i]);
total += size;
core.info(`Cache size ${labels[i] || cachePaths[i]}: ${formatSize(size)}`);
}
core.info(`Cache size total: ${formatSize(total)}`);
}
exports.logCacheSizes = logCacheSizes;
function isGhes() {
const ghUrl = new URL(process.env['GITHUB_SERVER_URL'] || 'https://github.com');
const hostname = ghUrl.hostname.trimEnd().toUpperCase();

46
dist/setup/index.js vendored
View file

@ -107854,6 +107854,7 @@ const restoreCache = (versionSpec, packageManager, cacheDependencyPath) => __awa
}
core.saveState(constants_1.State.CacheMatchedKey, cacheKey);
core.info(`Cache restored from key: ${cacheKey}`);
(0, cache_utils_1.logCacheSizes)(cachePaths);
if (cachePaths.length > 1) {
const buildHash = (0, hashdir_1.computeMetaHash)([cachePaths[1]]);
core.debug(`build hash is ${buildHash}`);
@ -107912,11 +107913,16 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isCacheFeatureAvailable = exports.isGhes = exports.getCacheDirectoryPath = exports.getPackageManagerInfo = exports.getCommandOutput = void 0;
exports.isCacheFeatureAvailable = exports.isGhes = exports.logCacheSizes = exports.getCacheDirectoryPath = exports.getPackageManagerInfo = exports.getCommandOutput = void 0;
const cache = __importStar(__nccwpck_require__(27799));
const core = __importStar(__nccwpck_require__(42186));
const exec = __importStar(__nccwpck_require__(71514));
const fs_1 = __importDefault(__nccwpck_require__(57147));
const path_1 = __importDefault(__nccwpck_require__(71017));
const package_managers_1 = __nccwpck_require__(96663);
const getCommandOutput = (toolCommand) => __awaiter(void 0, void 0, void 0, function* () {
let { stdout, stderr, exitCode } = yield exec.getExecOutput(toolCommand, undefined, { ignoreReturnCode: true });
@ -107958,6 +107964,44 @@ const getCacheDirectoryPath = (packageManagerInfo_1, ...args_1) => __awaiter(voi
return cachePaths;
});
exports.getCacheDirectoryPath = getCacheDirectoryPath;
function getDirSizeBytes(dirPath) {
if (!fs_1.default.existsSync(dirPath))
return 0;
const stat = fs_1.default.statSync(dirPath);
if (!stat.isDirectory())
return stat.size;
let total = 0;
for (const entry of fs_1.default.readdirSync(dirPath, { withFileTypes: true })) {
const entryPath = path_1.default.join(dirPath, entry.name);
if (entry.isDirectory()) {
total += getDirSizeBytes(entryPath);
}
else {
total += fs_1.default.statSync(entryPath).size;
}
}
return total;
}
function formatSize(bytes) {
if (bytes < 1024)
return `${bytes} B`;
if (bytes < 1024 * 1024)
return `${(bytes / 1024).toFixed(1)} KB`;
if (bytes < 1024 * 1024 * 1024)
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
}
function logCacheSizes(cachePaths) {
const labels = ['GOMODCACHE', 'GOCACHE'];
let total = 0;
for (let i = 0; i < cachePaths.length; i++) {
const size = getDirSizeBytes(cachePaths[i]);
total += size;
core.info(`Cache size ${labels[i] || cachePaths[i]}: ${formatSize(size)}`);
}
core.info(`Cache size total: ${formatSize(total)}`);
}
exports.logCacheSizes = logCacheSizes;
function isGhes() {
const ghUrl = new URL(process.env['GITHUB_SERVER_URL'] || 'https://github.com');
const hostname = ghUrl.hostname.trimEnd().toUpperCase();

7
src/cache-restore.ts
View file

@ -6,7 +6,11 @@ import fs from 'fs';
import {State, Outputs} from './constants';
import {PackageManagerInfo} from './package-managers';
import {getCacheDirectoryPath, getPackageManagerInfo} from './cache-utils';
import {
getCacheDirectoryPath,
getPackageManagerInfo,
logCacheSizes
} from './cache-utils';
import {computeMetaHash} from './hashdir';
export const restoreCache = async (
@ -67,6 +71,7 @@ export const restoreCache = async (
core.saveState(State.CacheMatchedKey, cacheKey);
core.info(`Cache restored from key: ${cacheKey}`);
logCacheSizes(cachePaths);
if (cachePaths.length > 1) {
const buildHash = computeMetaHash([cachePaths[1]]);

8
src/cache-save.ts
View file

@ -2,7 +2,11 @@ import * as core from '@actions/core';
import * as cache from '@actions/cache';
import fs from 'fs';
import {State} from './constants';
import {getCacheDirectoryPath, getPackageManagerInfo} from './cache-utils';
import {
getCacheDirectoryPath,
getPackageManagerInfo,
logCacheSizes
} from './cache-utils';
import {computeMetaHash} from './hashdir';
// Catch and log any unhandled exceptions. These exceptions can leak out of the uploadChunk method in
@ -87,6 +91,8 @@ const cachePackages = async () => {
return;
}
logCacheSizes(cachePaths);
const updatedKey = primaryKey + (buildHash ? `-${buildHash}` : '');
const start = Date.now();
const cacheId = await cache.saveCache(cachePaths, updatedKey);

38
src/cache-utils.ts
View file

@ -1,6 +1,8 @@
import * as cache from '@actions/cache';
import * as core from '@actions/core';
import * as exec from '@actions/exec';
import fs from 'fs';
import path from 'path';
import {supportedPackageManagers, PackageManagerInfo} from './package-managers';
export const getCommandOutput = async (toolCommand: string) => {
@ -62,6 +64,42 @@ export const getCacheDirectoryPath = async (
return cachePaths;
};
function getDirSizeBytes(dirPath: string): number {
if (!fs.existsSync(dirPath)) return 0;
const stat = fs.statSync(dirPath);
if (!stat.isDirectory()) return stat.size;
let total = 0;
for (const entry of fs.readdirSync(dirPath, {withFileTypes: true})) {
const entryPath = path.join(dirPath, entry.name);
if (entry.isDirectory()) {
total += getDirSizeBytes(entryPath);
} else {
total += fs.statSync(entryPath).size;
}
}
return total;
}
function formatSize(bytes: number): string {
if (bytes < 1024) return `${bytes} B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
if (bytes < 1024 * 1024 * 1024)
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
}
export function logCacheSizes(cachePaths: string[]): void {
const labels = ['GOMODCACHE', 'GOCACHE'];
let total = 0;
for (let i = 0; i < cachePaths.length; i++) {
const size = getDirSizeBytes(cachePaths[i]);
total += size;
core.info(`Cache size ${labels[i] || cachePaths[i]}: ${formatSize(size)}`);
}
core.info(`Cache size total: ${formatSize(total)}`);
}
export function isGhes(): boolean {
const ghUrl = new URL(
process.env['GITHUB_SERVER_URL'] || 'https://github.com'