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Code Issues Releases Activity

Tuned down DB logging

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Added cache to scene mapping.
This commit is contained in:
kay.one 2013-05-29 21:55:23 -07:00
parent 2a12b051bc
commit acf54203e5
8 changed files with 68 additions and 31 deletions
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18
NzbDrone.Common.Test/CacheTests/CachedFixture.cs
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@ -75,6 +75,24 @@ namespace NzbDrone.Common.Test.CacheTests
_cachedString.Get("Key").Should().Be("New");
}
[Test]
public void should_store_null()
{
int hitCount = 0;
for (int i = 0; i < 10; i++)
{
_cachedString.Get("key", () =>
{
hitCount++;
return null;
});
}
hitCount.Should().Be(1);
}
}
public class Worker

18
NzbDrone.Common/Cache/CacheManger.cs
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@ -5,8 +5,8 @@ namespace NzbDrone.Common.Cache
{
public interface ICacheManger
{
ICached<T> GetCache<T>(Type type);
ICached<T> GetCache<T>(object host);
ICached<T> GetCache<T>(Type host, string name);
ICached<T> GetCache<T>(Type host);
}
public class CacheManger : ICacheManger
@ -19,16 +19,18 @@ namespace NzbDrone.Common.Cache
}
public ICached<T> GetCache<T>(Type type)
public ICached<T> GetCache<T>(Type host)
{
Ensure.That(() => type).IsNotNull();
return (ICached<T>)_cache.Get(type.FullName, () => new Cached<T>());
Ensure.That(() => host).IsNotNull();
return GetCache<T>(host, host.FullName);
}
public ICached<T> GetCache<T>(object host)
public ICached<T> GetCache<T>(Type host, string name)
{
return GetCache<T>(host.GetType());
Ensure.That(() => host).IsNotNull();
Ensure.That(() => name).IsNotNullOrWhiteSpace();
return (ICached<T>)_cache.Get(host.FullName + "_" + name, () => new Cached<T>());
}
}
}

7
NzbDrone.Common/Cache/Cached.cs
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@ -25,6 +25,13 @@ namespace NzbDrone.Common.Cache
return Get(key, () => { throw new KeyNotFoundException(key); });
}
public T Find(string key)
{
T value;
_store.TryGetValue(key, out value);
return value;
}
public T Get(string key, Func<T> function)
{
Ensure.That(() => key).IsNotNullOrWhiteSpace();

1
NzbDrone.Common/Cache/ICached.cs
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@ -10,5 +10,6 @@ namespace NzbDrone.Common.Cache
void Clear();
void Remove(string key);
T Get(string key);
T Find(string key);
}
}

2
NzbDrone.Core/Configuration/ConfigFileProvider.cs
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@ -32,7 +32,7 @@ namespace NzbDrone.Core.Configuration
public ConfigFileProvider(IEnvironmentProvider environmentProvider, ICacheManger cacheManger)
{
_environmentProvider = environmentProvider;
_cache = cacheManger.GetCache<string>(this);
_cache = cacheManger.GetCache<string>(this.GetType());
_configFile = _environmentProvider.GetConfigPath();
}

11
NzbDrone.Core/DataAugmentation/Scene/SceneMappingRepository.cs
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@ -6,8 +6,6 @@ namespace NzbDrone.Core.DataAugmentation.Scene
{
public interface ISceneMappingRepository : IBasicRepository<SceneMapping>
{
SceneMapping FindByTvdbId(int tvdbId);
SceneMapping FindByCleanTitle(string cleanTitle);
}
@ -18,14 +16,5 @@ namespace NzbDrone.Core.DataAugmentation.Scene
{
}
public SceneMapping FindByTvdbId(int tvdbId)
{
return Query.SingleOrDefault(c => c.TvdbId == tvdbId);
}
public SceneMapping FindByCleanTitle(string cleanTitle)
{
return Query.SingleOrDefault(c => c.CleanTitle == cleanTitle);
}
}
}

40
NzbDrone.Core/DataAugmentation/Scene/SceneMappingService.cs
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@ -1,6 +1,7 @@
using System;
using System.Linq;
using NLog;
using NzbDrone.Common.Cache;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Lifecycle;
@ -22,33 +23,43 @@ namespace NzbDrone.Core.DataAugmentation.Scene
private readonly ISceneMappingRepository _repository;
private readonly ISceneMappingProxy _sceneMappingProxy;
private readonly Logger _logger;
private readonly ICached<SceneMapping> _getSceneNameCache;
private readonly ICached<SceneMapping> _gettvdbIdCache;
public SceneMappingService(ISceneMappingRepository repository, ISceneMappingProxy sceneMappingProxy, Logger logger)
public SceneMappingService(ISceneMappingRepository repository, ISceneMappingProxy sceneMappingProxy, ICacheManger cacheManger, Logger logger)
{
_repository = repository;
_sceneMappingProxy = sceneMappingProxy;
_getSceneNameCache = cacheManger.GetCache<SceneMapping>(GetType(), "scene_name");
_gettvdbIdCache = cacheManger.GetCache<SceneMapping>(GetType(), "tvdb_id");
_logger = logger;
}
public string GetSceneName(int tvdbId, int seasonNumber = -1)
{
var mapping = _repository.FindByTvdbId(tvdbId);
lock (mutex)
{
var mapping = _getSceneNameCache.Find(tvdbId.ToString());
if (mapping == null) return null;
if (mapping == null) return null;
return mapping.SceneName;
return mapping.SceneName;
}
}
public Nullable<Int32> GetTvDbId(string cleanName)
{
var mapping = _repository.FindByCleanTitle(cleanName);
lock (mutex)
{
var mapping = _gettvdbIdCache.Find(cleanName);
if (mapping == null)
return null;
if (mapping == null)
return null;
return mapping.TvdbId;
return mapping.TvdbId;
}
}
@ -65,13 +76,22 @@ namespace NzbDrone.Core.DataAugmentation.Scene
try
{
var mappings = _sceneMappingProxy.Fetch();
lock (mutex)
{
if (mappings.Any())
{
_repository.Purge();
_repository.InsertMany(mappings);
_gettvdbIdCache.Clear();
_getSceneNameCache.Clear();
foreach (var sceneMapping in mappings)
{
_getSceneNameCache.Set(sceneMapping.TvdbId.ToString(), sceneMapping);
_gettvdbIdCache.Set(sceneMapping.CleanTitle, sceneMapping);
}
}
else
{

2
NzbDrone.Core/Instrumentation/DatabaseTarget.cs
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@ -20,7 +20,7 @@ namespace NzbDrone.Core.Instrumentation
{
Layout = new SimpleLayout("${callsite:className=false:fileName=false:includeSourcePath=false:methodName=true}");
Rule = new LoggingRule("*", LogLevel.Trace, this);
Rule = new LoggingRule("*", LogLevel.Debug, this);
LogManager.Configuration.AddTarget("DbLogger", this);
LogManager.Configuration.LoggingRules.Add(Rule);