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Fixed: Performance issue when scanning large root folder

This commit is contained in:
Taloth Saldono 2020-05-13 21:27:39 +02:00
parent 4f7e00bdc4
commit d3a22459ac
4 changed files with 37 additions and 13 deletions
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7
src/NzbDrone.Common/Disk/DiskProviderBase.cs
View File

@ -141,6 +141,13 @@ namespace NzbDrone.Common.Disk
}
}
public bool FolderEmpty(string path)
{
Ensure.That(path, () => path).IsValidPath();
return Directory.EnumerateDirectories(path).Empty();
}
public string[] GetDirectories(string path)
{
Ensure.That(path, () => path).IsValidPath();

1
src/NzbDrone.Common/Disk/IDiskProvider.cs
View File

@ -21,6 +21,7 @@ namespace NzbDrone.Common.Disk
bool FileExists(string path);
bool FileExists(string path, StringComparison stringComparison);
bool FolderWritable(string path);
bool FolderEmpty(string path);
string[] GetDirectories(string path);
string[] GetFiles(string path, SearchOption searchOption);
long GetFolderSize(string path);

15
src/NzbDrone.Core.Test/MediaFiles/DiskScanServiceTests/ScanFixture.cs
View File

@ -5,6 +5,7 @@ using FizzWare.NBuilder;
using Moq;
using NUnit.Framework;
using NzbDrone.Common.Disk;
using NzbDrone.Common.Extensions;
using NzbDrone.Core.Configuration;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.MediaFiles.EpisodeImport;
@ -56,6 +57,10 @@ namespace NzbDrone.Core.Test.MediaFiles.DiskScanServiceTests
.Setup(s => s.GetDirectories(_rootFolder))
.Returns(subfolders);
Mocker.GetMock<IDiskProvider>()
.Setup(s => s.FolderEmpty(_rootFolder))
.Returns(subfolders.Empty());
foreach (var folder in subfolders)
{
Mocker.GetMock<IDiskProvider>()
@ -84,7 +89,10 @@ namespace NzbDrone.Core.Test.MediaFiles.DiskScanServiceTests
ExceptionVerification.ExpectedWarns(1);
Mocker.GetMock<IDiskProvider>()
.Verify(v => v.FolderExists(_series.Path), Times.Never());
.Verify(v => v.GetFiles(_series.Path, SearchOption.AllDirectories), Times.Never());
Mocker.GetMock<IDiskProvider>()
.Verify(v => v.CreateFolder(_series.Path), Times.Never());
Mocker.GetMock<IMediaFileTableCleanupService>()
.Verify(v => v.Clean(It.IsAny<Series>(), It.IsAny<List<string>>()), Times.Never());
@ -100,7 +108,10 @@ namespace NzbDrone.Core.Test.MediaFiles.DiskScanServiceTests
ExceptionVerification.ExpectedWarns(1);
Mocker.GetMock<IDiskProvider>()
.Verify(v => v.FolderExists(_series.Path), Times.Never());
.Verify(v => v.GetFiles(_series.Path, SearchOption.AllDirectories), Times.Never());
Mocker.GetMock<IDiskProvider>()
.Verify(v => v.CreateFolder(_series.Path), Times.Never());
Mocker.GetMock<IMediaFileTableCleanupService>()
.Verify(v => v.Clean(It.IsAny<Series>(), It.IsAny<List<string>>()), Times.Never());

9
src/NzbDrone.Core/MediaFiles/DiskScanService.cs
View File

@ -69,6 +69,10 @@ namespace NzbDrone.Core.MediaFiles
{
var rootFolder = _rootFolderService.GetBestRootFolderPath(series.Path);
var seriesFolderExists = _diskProvider.FolderExists(series.Path);
if (!seriesFolderExists)
{
if (!_diskProvider.FolderExists(rootFolder))
{
_logger.Warn("Series' root folder ({0}) doesn't exist.", rootFolder);
@ -76,16 +80,17 @@ namespace NzbDrone.Core.MediaFiles
return;
}
if (_diskProvider.GetDirectories(rootFolder).Empty())
if (_diskProvider.FolderEmpty(rootFolder))
{
_logger.Warn("Series' root folder ({0}) is empty.", rootFolder);
_eventAggregator.PublishEvent(new SeriesScanSkippedEvent(series, SeriesScanSkippedReason.RootFolderIsEmpty));
return;
}
}
_logger.ProgressInfo("Scanning {0}", series.Title);
if (!_diskProvider.FolderExists(series.Path))
if (!seriesFolderExists)
{
if (_configService.CreateEmptySeriesFolders)
{