From 19e39f63210d5243ec91369d1e0da80f7dd5a934 Mon Sep 17 00:00:00 2001
From: gefan <vilosantos@gmail.com>
Date: Tue, 7 Feb 2023 00:18:48 +0800
Subject: [PATCH 1/3] kill zombie processes to reduce memory usage

---
 server/libs/nodeFfprobe/index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/libs/nodeFfprobe/index.js b/server/libs/nodeFfprobe/index.js
index bdab89ad..a2f284cb 100644
--- a/server/libs/nodeFfprobe/index.js
+++ b/server/libs/nodeFfprobe/index.js
@@ -18,7 +18,10 @@ module.exports = (function () {
       proc.stdout.on('data', function (data) { probeData.push(data) })
       proc.stderr.on('data', function (data) { errData.push(data) })
 
-      proc.on('exit', code => { exitCode = code })
+      proc.on('exit', code => {
+        exitCode = code
+        proc.kill()
+      })
       proc.on('error', err => reject(err))
       proc.on('close', () => {
         try {

From 61c32d99e7f13f7a0d30d5789289a5155d3cdb80 Mon Sep 17 00:00:00 2001
From: gefan <vilosantos@gmail.com>
Date: Tue, 7 Feb 2023 00:18:57 +0800
Subject: [PATCH 2/3] scan media files in batches

---
 server/scanner/MediaFileScanner.js | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/server/scanner/MediaFileScanner.js b/server/scanner/MediaFileScanner.js
index b572e935..e9a54b66 100644
--- a/server/scanner/MediaFileScanner.js
+++ b/server/scanner/MediaFileScanner.js
@@ -115,11 +115,16 @@ class MediaFileScanner {
 
     const scanStart = Date.now()
     const mediaMetadata = libraryItem.media.metadata || null
-    const proms = []
-    for (let i = 0; i < mediaLibraryFiles.length; i++) {
-      proms.push(this.scan(mediaType, mediaLibraryFiles[i], mediaMetadata))
+    const batchSize = 32
+    const results = []
+    for (let batch = 0; batch < mediaLibraryFiles.length; batch += batchSize) {
+      const proms = []
+      for (let i = batch; i < Math.min(batch + batchSize, mediaLibraryFiles.length); i++) {
+        proms.push(this.scan(mediaType, mediaLibraryFiles[i], mediaMetadata))
+      }
+      results.push(...await Promise.all(proms).then((scanResults) => scanResults.filter(sr => sr)))
     }
-    const results = await Promise.all(proms).then((scanResults) => scanResults.filter(sr => sr))
+
     return {
       audioFiles: results.filter(r => r.audioFile).map(r => r.audioFile),
       videoFiles: results.filter(r => r.videoFile).map(r => r.videoFile),

From ba07761de3093445f6dd0d9a247e1c85b2e5451f Mon Sep 17 00:00:00 2001
From: gefan <vilosantos@gmail.com>
Date: Tue, 7 Feb 2023 12:33:33 +0800
Subject: [PATCH 3/3] Revert "kill zombie processes to reduce memory usage"

This reverts commit 19e39f63210d5243ec91369d1e0da80f7dd5a934.
---
 server/libs/nodeFfprobe/index.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/server/libs/nodeFfprobe/index.js b/server/libs/nodeFfprobe/index.js
index a2f284cb..bdab89ad 100644
--- a/server/libs/nodeFfprobe/index.js
+++ b/server/libs/nodeFfprobe/index.js
@@ -18,10 +18,7 @@ module.exports = (function () {
       proc.stdout.on('data', function (data) { probeData.push(data) })
       proc.stderr.on('data', function (data) { errData.push(data) })
 
-      proc.on('exit', code => {
-        exitCode = code
-        proc.kill()
-      })
+      proc.on('exit', code => { exitCode = code })
       proc.on('error', err => reject(err))
       proc.on('close', () => {
         try {