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Merge b2ba94eced into 354e0bf793

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Trevor Renshaw 2026-06-29 15:33:03 -06:00 • committed by GitHub
commit 2e1294dd63
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8 changed files with 281 additions and 6 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

10
server/utils/zipHelpers.js
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@ -9,7 +9,11 @@ module.exports.zipDirectoryPipe = (path, filename, res) => {
res.attachment(filename)
const archive = archiver('zip', {
zlib: { level: 0 } // Sets the compression level.
zlib: { level: 0 }, // Sets the compression level (0 = store, no CPU overhead).
// Increase the internal pipeline highWaterMark from 16 KiB to 512 KiB.
// This allows archiver to buffer more data before applying backpressure,
// keeping the read-from-disk and write-to-network pipelines busy.
highWaterMark: 524288
})
// listen for all archive data to be written
@ -67,7 +71,9 @@ module.exports.zipDirectoriesPipe = (pathObjects, filename, res) => {
res.attachment(filename)
const archive = archiver('zip', {
zlib: { level: 0 } // Sets the compression level.
zlib: { level: 0 }, // Sets the compression level (0 = store, no CPU overhead).
// Increase the internal pipeline highWaterMark from 16 KiB to 512 KiB.
highWaterMark: 524288
})
// listen for all archive data to be written