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Fix slow downloads: larger buffers, Content-Length headers, parallel streams

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This commit is contained in:
Trevor Renshaw 2026-05-16 08:50:36 -06:00
parent c010f0e1eb
commit cf0a432027
3 changed files with 22 additions and 4 deletions
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11
server/controllers/LibraryItemController.js
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@ -184,6 +184,11 @@ class LibraryItemController {
if (audioMimeType) {
res.setHeader('Content-Type', audioMimeType)
}
// Set Content-Length so clients can show accurate progress bars.
const fileStat = await fs.stat(libraryItemPath).catch(() => null)
if (fileStat) {
res.setHeader('Content-Length', fileStat.size)
}
await new Promise((resolve, reject) => res.download(libraryItemPath, req.libraryItem.relPath, (error) => (error ? reject(error) : resolve())))
} else {
const filename = `${itemTitle}.zip`
@ -1097,6 +1102,12 @@ class LibraryItemController {
}
try {
// Set Content-Length so clients (including the Android app) can show accurate
// download progress and avoid chunked-transfer encoding when the file size is known.
const fileStat = await fs.stat(libraryFile.metadata.path).catch(() => null)
if (fileStat) {
res.setHeader('Content-Length', fileStat.size)
}
await new Promise((resolve, reject) => res.download(libraryFile.metadata.path, libraryFile.metadata.filename, (error) => (error ? reject(error) : resolve())))
Logger.info(`[LibraryItemController] Downloaded file "${libraryFile.metadata.path}"`)
} catch (error) {