From 1506521a7855857c42c508f7a767c219476cd450 Mon Sep 17 00:00:00 2001
From: Bill Thornton <thornbill@users.noreply.github.com>
Date: Fri, 10 May 2024 11:44:16 -0400
Subject: [PATCH] Add configuration for scan fanout concurrency

---
 src/controllers/dashboard/general.html | 6 +++++-
 src/controllers/dashboard/general.js   | 2 ++
 src/strings/en-us.json                 | 4 +++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/controllers/dashboard/general.html b/src/controllers/dashboard/general.html
index 62f92d097c4..c1cb04a9e15 100644
--- a/src/controllers/dashboard/general.html
+++ b/src/controllers/dashboard/general.html
@@ -83,7 +83,11 @@ <h2>${HeaderBranding}</h2>
                 <div class="verticalSection">
                     <h2>${HeaderPerformance}</h2>
                     <div class="inputContainer">
-                        <input is="emby-input" id="txtParallelImageEncodingLimit" label="${LabelParallelImageEncodingLimit}" type="number" pattern="[0-9]*" min="0" step="1" />
+                        <input is="emby-input" id="txtLibraryScanFanoutConcurrency" label="${LibraryScanFanoutConcurrency}" placeholder="0" type="number" pattern="[0-9]*" min="0" step="1" />
+                        <div class="fieldDescription">${LibraryScanFanoutConcurrencyHelp}</div>
+                    </div>
+                    <div class="inputContainer">
+                        <input is="emby-input" id="txtParallelImageEncodingLimit" label="${LabelParallelImageEncodingLimit}" placeholder="0" type="number" pattern="[0-9]*" min="0" step="1" />
                         <div class="fieldDescription">${LabelParallelImageEncodingLimitHelp}</div>
                     </div>
                 </div>
diff --git a/src/controllers/dashboard/general.js b/src/controllers/dashboard/general.js
index ee495259cf6..d62cfbd16f1 100644
--- a/src/controllers/dashboard/general.js
+++ b/src/controllers/dashboard/general.js
@@ -19,6 +19,7 @@ function loadPage(page, config, languageOptions, systemInfo) {
     $('#selectLocalizationLanguage', page).html(languageOptions.map(function (language) {
         return '<option value="' + language.Value + '">' + language.Name + '</option>';
     })).val(config.UICulture);
+    page.querySelector('#txtLibraryScanFanoutConcurrency').value = config.LibraryScanFanoutConcurrency || '';
     page.querySelector('#txtParallelImageEncodingLimit').value = config.ParallelImageEncodingLimit || '';
 
     loading.hide();
@@ -35,6 +36,7 @@ function onSubmit() {
         config.MetadataPath = $('#txtMetadataPath', form).val();
         config.MetadataNetworkPath = $('#txtMetadataNetworkPath', form).val();
         config.QuickConnectAvailable = form.querySelector('#chkQuickConnectAvailable').checked;
+        config.LibraryScanFanoutConcurrency = parseInt(form.querySelector('#txtLibraryScanFanoutConcurrency').value || '0', 10);
         config.ParallelImageEncodingLimit = parseInt(form.querySelector('#txtParallelImageEncodingLimit').value || '0', 10);
 
         ApiClient.updateServerConfiguration(config).then(function() {
diff --git a/src/strings/en-us.json b/src/strings/en-us.json
index 3b79812d96b..f4ecc81c35a 100644
--- a/src/strings/en-us.json
+++ b/src/strings/en-us.json
@@ -772,7 +772,7 @@
     "LabelOriginalTitle": "Original title",
     "LabelOverview": "Overview",
     "LabelParallelImageEncodingLimit": "Parallel image encoding limit",
-    "LabelParallelImageEncodingLimitHelp": "Maximum amount of image encodings that are allowed to run in parallel. Setting this to 0 will choose a limit based on your system specs.",
+    "LabelParallelImageEncodingLimitHelp": "Maximum number of image encodings that are allowed to run in parallel. Setting this to 0 will choose a limit based on your systems core count.",
     "LabelParentalRating": "Parental rating",
     "LabelParentNumber": "Parent number",
     "LabelPassword": "Password",
@@ -959,6 +959,8 @@
     "LeaveBlankToNotSetAPassword": "You can leave this field blank to set no password.",
     "Letterer": "Letterer",
     "LibraryAccessHelp": "Select the libraries to share with this user. Administrators will be able to edit all folders using the metadata manager.",
+    "LibraryScanFanoutConcurrency": "Parallel library scan tasks limit",
+    "LibraryScanFanoutConcurrencyHelp": "Maximum number of parallel tasks during library scans. Setting this to 0 will choose a limit based on your systems core count. WARNING: Setting this number too high may cause issues with network file systems; if you encounter problems lower this number.",
     "LimitSupportedVideoResolution": "Limit maximum supported video resolution",
     "LimitSupportedVideoResolutionHelp": "Use 'Maximum Allowed Video Transcoding Resolution' as maximum supported video resolution.",
     "List": "List",