From 7abb6060a91588fe21cad0f59f38941da728511c Mon Sep 17 00:00:00 2001 From: Rigel Kent Date: Sun, 10 Jan 2021 21:02:55 +0100 Subject: [PATCH] specific niceness for live transcoding --- server/helpers/ffmpeg-utils.ts | 5 ++++- server/initializers/constants.ts | 7 +++++-- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts index 1f5e8d8f6..d01e6f80e 100644 --- a/server/helpers/ffmpeg-utils.ts +++ b/server/helpers/ffmpeg-utils.ts @@ -594,7 +594,10 @@ function presetOnlyAudio (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand { function getFFmpeg (input: string, type: 'live' | 'vod') { // We set cwd explicitly because ffmpeg appears to create temporary files when trancoding which fails in read-only file systems - const command = ffmpeg(input, { niceness: FFMPEG_NICE.TRANSCODING, cwd: CONFIG.STORAGE.TMP_DIR }) + const command = ffmpeg(input, { + niceness: type === 'live' ? FFMPEG_NICE.LIVE : FFMPEG_NICE.VOD, + cwd: CONFIG.STORAGE.TMP_DIR + }) const threads = type === 'live' ? CONFIG.LIVE.TRANSCODING.THREADS diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts index 0e4ee4a0a..182bdf9cc 100644 --- a/server/initializers/constants.ts +++ b/server/initializers/constants.ts @@ -356,8 +356,11 @@ const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = { } const FFMPEG_NICE: { [ id: string ]: number } = { - THUMBNAIL: 2, // 2 just for don't blocking servers - TRANSCODING: 15 + // parent process defaults to niceness = 0 + // reminder: lower = higher priority, max value is 19, lowest is -20 + THUMBNAIL: 2, // low value in order to avoid blocking server + LIVE: 9, // prioritize over VOD + VOD: 15 } const VIDEO_CATEGORIES = { -- 2.41.0