Switch to Parallel.ForEach for list processing with MaxParallelism

(cherry picked from commit 0f93e04186f24abdb0cf0b3ba6a3505fda834e06)
pull/2859/head
Qstick 1 year ago committed by Bogdan
parent 3ec5d9b9fe
commit ebb2b4eca3

@ -3,7 +3,6 @@ using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using NLog;
using NzbDrone.Common.TPL;
using NzbDrone.Core.Parser.Model;
namespace NzbDrone.Core.ImportLists
@ -41,10 +40,7 @@ namespace NzbDrone.Core.ImportLists
_logger.Debug("Available import lists {0}", importLists.Count);
var taskList = new List<Task>();
var taskFactory = new TaskFactory(TaskCreationOptions.LongRunning, TaskContinuationOptions.None);
foreach (var importList in importLists)
Parallel.ForEach(importLists, new ParallelOptions { MaxDegreeOfParallelism = 5 }, importList =>
{
var importListLocal = importList;
var importListStatus = _importListStatusService.GetLastSyncListInfo(importListLocal.Definition.Id);
@ -56,35 +52,28 @@ namespace NzbDrone.Core.ImportLists
if (DateTime.UtcNow < importListNextSync)
{
_logger.Trace("Skipping refresh of Import List {0} ({1}) due to minimum refresh interval. Next sync after {2}", importList.Name, importListLocal.Definition.Name, importListNextSync);
continue;
return;
}
}
var task = taskFactory.StartNew(() =>
{
try
{
var importListReports = importListLocal.Fetch();
lock (result)
{
_logger.Debug("Found {0} reports from {1} ({2})", importListReports.Count, importList.Name, importListLocal.Definition.Name);
result.AddRange(importListReports);
}
try
{
var importListReports = importListLocal.Fetch();
_importListStatusService.UpdateListSyncStatus(importList.Definition.Id);
}
catch (Exception e)
{
_logger.Error(e, "Error during Import List Sync of {0} ({1})", importList.Name, importListLocal.Definition.Name);
}
}).LogExceptions();
lock (result)
{
_logger.Debug("Found {0} reports from {1} ({2})", importListReports.Count, importList.Name, importListLocal.Definition.Name);
taskList.Add(task);
}
result.AddRange(importListReports);
}
Task.WaitAll(taskList.ToArray());
_importListStatusService.UpdateListSyncStatus(importList.Definition.Id);
}
catch (Exception e)
{
_logger.Error(e, "Error during Import List Sync of {0} ({1})", importList.Name, importListLocal.Definition.Name);
}
});
result = result.DistinctBy(r => new { r.Author, r.Book }).ToList();
@ -105,35 +94,25 @@ namespace NzbDrone.Core.ImportLists
return result;
}
var taskList = new List<Task>();
var taskFactory = new TaskFactory(TaskCreationOptions.LongRunning, TaskContinuationOptions.None);
var importListLocal = importList;
var task = taskFactory.StartNew(() =>
try
{
try
{
var importListReports = importListLocal.Fetch();
lock (result)
{
_logger.Debug("Found {0} reports from {1} ({2})", importListReports.Count, importList.Name, importListLocal.Definition.Name);
result.AddRange(importListReports);
}
var importListReports = importListLocal.Fetch();
_importListStatusService.UpdateListSyncStatus(importList.Definition.Id);
}
catch (Exception e)
lock (result)
{
_logger.Error(e, "Error during Import List Sync of {0} ({1})", importList.Name, importListLocal.Definition.Name);
}
}).LogExceptions();
_logger.Debug("Found {0} reports from {1} ({2})", importListReports.Count, importList.Name, importListLocal.Definition.Name);
taskList.Add(task);
result.AddRange(importListReports);
}
Task.WaitAll(taskList.ToArray());
_importListStatusService.UpdateListSyncStatus(importList.Definition.Id);
}
catch (Exception e)
{
_logger.Error(e, "Error during Import List Sync of {0} ({1})", importList.Name, importListLocal.Definition.Name);
}
result = result.DistinctBy(r => new { r.Author, r.Book }).ToList();

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