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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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5
server/utils/fileUtils.js
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@ -318,8 +318,9 @@ module.exports.downloadFile = (url, filepath, contentTypeFilter = null) => {
const totalSize = parseInt(response.headers['content-length'], 10)
let downloadedSize = 0
// Write to filepath
const writer = fs.createWriteStream(filepath)
// Use a 512 KiB write buffer. Node's default 16 KiB highWaterMark causes
// many small write syscalls for large audio files and limits throughput.
const writer = fs.createWriteStream(filepath, { highWaterMark: 524288 })
response.data.pipe(writer)
let lastProgress = 0