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speed up db upgrade

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This commit is contained in:
Luke Pulverenti 2016-07-06 01:13:26 -04:00
parent e50fbdfafc
commit 8629d509e4
3 changed files with 61 additions and 36 deletions
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2
MediaBrowser.Api/StartupWizardService.cs
View file

@ -117,7 +117,7 @@ namespace MediaBrowser.Api
config.EnableStandaloneMusicKeys = true;
config.EnableCaseSensitiveItemIds = true;
//config.EnableFolderView = true;
config.SchemaVersion = 101;
config.SchemaVersion = 107;
}
public void Post(UpdateStartupConfiguration request)

93
MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
View file

@ -142,52 +142,77 @@ namespace MediaBrowser.Server.Implementations.Persistence
}
}
private async Task UpdateToLatestSchema(CancellationToken cancellationToken, IProgress<double> progress)
private Task UpdateToLatestSchema(CancellationToken cancellationToken, IProgress<double> progress)
{
var itemIds = _libraryManager.GetItemIds(new InternalItemsQuery
{
IsCurrentSchema = false,
ExcludeItemTypes = new[] { typeof(LiveTvProgram).Name }
});
return UpdateToLatestSchema(0, 0, null, cancellationToken, progress);
}
var numComplete = 0;
var numItems = itemIds.Count;
private async Task UpdateToLatestSchema(int queryStartIndex, int progressStartIndex, int? totalRecordCount, CancellationToken cancellationToken, IProgress<double> progress)
{
IEnumerable<BaseItem> items;
int numItemsToSave;
var pageSize = 2000;
if (totalRecordCount.HasValue)
{
var list = _libraryManager.GetItemList(new InternalItemsQuery
{
IsCurrentSchema = false,
ExcludeItemTypes = new[] { typeof(LiveTvProgram).Name },
StartIndex = queryStartIndex,
Limit = pageSize
}).ToList();
items = list;
numItemsToSave = list.Count;
}
else
{
var itemsResult = _libraryManager.GetItemsResult(new InternalItemsQuery
{
IsCurrentSchema = false,
ExcludeItemTypes = new[] { typeof(LiveTvProgram).Name },
StartIndex = queryStartIndex,
Limit = pageSize
});
totalRecordCount = itemsResult.TotalRecordCount;
items = itemsResult.Items;
numItemsToSave = itemsResult.Items.Length;
}
var numItems = totalRecordCount.Value;
_logger.Debug("Upgrading schema for {0} items", numItems);
foreach (var itemId in itemIds)
if (numItemsToSave > 0)
{
cancellationToken.ThrowIfCancellationRequested();
if (itemId != Guid.Empty)
try
{
// Somehow some invalid data got into the db. It probably predates the boundary checking
var item = _libraryManager.GetItemById(itemId);
if (item != null)
{
try
{
await _itemRepo.SaveItem(item, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Error saving item", ex);
}
}
await _itemRepo.SaveItems(items, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Error saving item", ex);
}
numComplete++;
double percent = numComplete;
progressStartIndex += pageSize;
double percent = progressStartIndex;
percent /= numItems;
progress.Report(percent * 100);
}
progress.Report(100);
var newStartIndex = queryStartIndex + (pageSize - numItemsToSave);
await UpdateToLatestSchema(newStartIndex, progressStartIndex, totalRecordCount, cancellationToken, progress).ConfigureAwait(false);
}
else
{
progress.Report(100);
}
}
private async Task CleanDeadItems(CancellationToken cancellationToken, IProgress<double> progress)

2
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
View file

@ -95,7 +95,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
private IDbCommand _updateInheritedRatingCommand;
private IDbCommand _updateInheritedTagsCommand;
public const int LatestSchemaVersion = 101;
public const int LatestSchemaVersion = 107;
/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.