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feat: optimize backup archive settings for improved performance and reliability

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shuaiplus
2026-03-19 01:13:19 +08:00
parent 5ff322d809
commit 3d38424d77
1 changed files with 13 additions and 11 deletions
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src/services/backup-archive.ts
+13 -11
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@@ -11,16 +11,18 @@ type SqlRow = Record<string, string | number | null>;
const BACKUP_FORMAT_VERSION = 1; const BACKUP_FORMAT_VERSION = 1;
const BACKUP_APP_VERSION = '1.3.0'; const BACKUP_APP_VERSION = '1.3.0';
const BACKUP_TEXT_COMPRESSION_LEVEL = 6; // Worker-side backup export must stay well below Cloudflare CPU limits.
// Prefer store-only ZIP entries over heavier compression to keep exports reliable.
const BACKUP_TEXT_COMPRESSION_LEVEL = 1;
const BACKUP_BINARY_COMPRESSION_LEVEL = 1; const BACKUP_BINARY_COMPRESSION_LEVEL = 1;
const BACKUP_R2_BLOB_READ_CONCURRENCY = 8; const BACKUP_R2_BLOB_READ_CONCURRENCY = 4;
const BACKUP_KV_BLOB_READ_CONCURRENCY = 4; const BACKUP_KV_BLOB_READ_CONCURRENCY = 4;
const BACKUP_R2_BLOB_READ_CHUNK_SIZE = 64; const BACKUP_R2_BLOB_READ_CHUNK_SIZE = 32;
const BACKUP_KV_BLOB_READ_CHUNK_SIZE = 32; const BACKUP_KV_BLOB_READ_CHUNK_SIZE = 162;
const MAX_BACKUP_ARCHIVE_BYTES = 64 * 1024 * 1024; const MAX_BACKUP_ARCHIVE_BYTES = 32 * 1024 * 1024;
const MAX_BACKUP_ARCHIVE_ENTRY_COUNT = 10_000; const MAX_BACKUP_ARCHIVE_ENTRY_COUNT = 800;
const MAX_BACKUP_EXTRACTED_BYTES = 128 * 1024 * 1024; const MAX_BACKUP_EXTRACTED_BYTES = 64 * 1024 * 1024;
const MAX_BACKUP_DB_JSON_BYTES = 32 * 1024 * 1024; const MAX_BACKUP_DB_JSON_BYTES = 8 * 1024 * 1024;
export interface BackupManifest { export interface BackupManifest {
formatVersion: 1; formatVersion: 1;
@@ -405,7 +407,7 @@ export async function buildBackupArchive(env: Env, date: Date = new Date()): Pro
} satisfies BackupManifest; } satisfies BackupManifest;
const files: Record<string, Uint8Array> = { const files: Record<string, Uint8Array> = {
'manifest.json': encoder.encode(JSON.stringify(manifestBase, null, 2)), 'manifest.json': encoder.encode(JSON.stringify(manifestBase)),
'db.json': encoder.encode(JSON.stringify({ 'db.json': encoder.encode(JSON.stringify({
config: configRows, config: configRows,
users: userRows, users: userRows,
@@ -414,7 +416,7 @@ export async function buildBackupArchive(env: Env, date: Date = new Date()): Pro
ciphers: cipherRows, ciphers: cipherRows,
attachments: attachmentRows, attachments: attachmentRows,
sends: sendRows, sends: sendRows,
}, null, 2)), })),
}; };
const blobTasks: BackupBlobTask[] = []; const blobTasks: BackupBlobTask[] = [];
@@ -454,7 +456,7 @@ export async function buildBackupArchive(env: Env, date: Date = new Date()): Pro
largestObjectBytes: blobFiles.largestObjectBytes, largestObjectBytes: blobFiles.largestObjectBytes,
}, },
}; };
files['manifest.json'] = encoder.encode(JSON.stringify(manifest, null, 2)); files['manifest.json'] = encoder.encode(JSON.stringify(manifest));
return { return {
bytes: zipSync(createZipEntries(files)), bytes: zipSync(createZipEntries(files)),