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slow down automatic floatsamAssetCache CleanupExpiredFiles LOT to reduce impact on simulation and to give GC more changes of preventing it from eating up all avaialble physcical memory on loaded machines.

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This commit is contained in:
UbitUmarov
2016-11-30 07:43:17 +00:00
parent 7de2c8ae70
commit 1863bb29df
1 changed files with 72 additions and 13 deletions
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85
OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
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@@ -62,6 +62,7 @@ namespace OpenSim.Region.CoreModules.Asset
MethodBase.GetCurrentMethod().DeclaringType);
private bool m_Enabled;
private bool m_Running;
private const string m_ModuleName = "FlotsamAssetCache";
private const string m_DefaultCacheDirectory = "./assetcache";
@@ -94,7 +95,7 @@ namespace OpenSim.Region.CoreModules.Asset
private const double m_DefaultFileExpiration = 48;
private TimeSpan m_MemoryExpiration = TimeSpan.FromHours(m_DefaultMemoryExpiration);
private TimeSpan m_FileExpiration = TimeSpan.FromHours(m_DefaultFileExpiration);
private TimeSpan m_FileExpirationCleanupTimer = TimeSpan.FromHours(0.166);
private TimeSpan m_FileExpirationCleanupTimer = TimeSpan.FromHours(1.0);
private static int m_CacheDirectoryTiers = 1;
private static int m_CacheDirectoryTierLen = 3;
@@ -104,7 +105,8 @@ namespace OpenSim.Region.CoreModules.Asset
private IAssetService m_AssetService;
private List<Scene> m_Scenes = new List<Scene>();
private object timerLock = new object();
public FlotsamAssetCache()
{
m_InvalidChars.AddRange(Path.GetInvalidPathChars());
@@ -170,14 +172,6 @@ namespace OpenSim.Region.CoreModules.Asset
m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Cache Directory {0}", m_CacheDirectory);
if (m_FileCacheEnabled && (m_FileExpiration > TimeSpan.Zero) && (m_FileExpirationCleanupTimer > TimeSpan.Zero))
{
m_CacheCleanTimer = new System.Timers.Timer(m_FileExpirationCleanupTimer.TotalMilliseconds);
m_CacheCleanTimer.AutoReset = true;
m_CacheCleanTimer.Elapsed += CleanupExpiredFiles;
lock (m_CacheCleanTimer)
m_CacheCleanTimer.Start();
}
if (m_CacheDirectoryTiers < 1)
{
@@ -219,7 +213,6 @@ namespace OpenSim.Region.CoreModules.Asset
{
scene.RegisterModuleInterface<IImprovedAssetCache>(this);
m_Scenes.Add(scene);
}
}
@@ -229,13 +222,39 @@ namespace OpenSim.Region.CoreModules.Asset
{
scene.UnregisterModuleInterface<IImprovedAssetCache>(this);
m_Scenes.Remove(scene);
lock(timerLock)
{
if(m_Scenes.Count <= 0)
{
m_Running = false;
m_CacheCleanTimer.Stop();
m_CacheCleanTimer.Close();
}
}
}
}
public void RegionLoaded(Scene scene)
{
if (m_Enabled && m_AssetService == null)
m_AssetService = scene.RequestModuleInterface<IAssetService>();
if (m_Enabled)
{
if(m_AssetService == null)
m_AssetService = scene.RequestModuleInterface<IAssetService>();
lock(timerLock)
{
if(!m_Running)
{
if (m_FileCacheEnabled && (m_FileExpiration > TimeSpan.Zero) && (m_FileExpirationCleanupTimer > TimeSpan.Zero))
{
m_CacheCleanTimer = new System.Timers.Timer(m_FileExpirationCleanupTimer.TotalMilliseconds);
m_CacheCleanTimer.AutoReset = false;
m_CacheCleanTimer.Elapsed += CleanupExpiredFiles;
m_CacheCleanTimer.Start();
}
m_Running = true;
}
}
}
}
////////////////////////////////////////////////////////////
@@ -542,6 +561,8 @@ namespace OpenSim.Region.CoreModules.Asset
if (m_LogLevel >= 2)
m_log.DebugFormat("[FLOTSAM ASSET CACHE]: Checking for expired files older then {0}.", m_FileExpiration);
if(!m_Running)
return;
// Purge all files last accessed prior to this point
DateTime purgeLine = DateTime.Now - m_FileExpiration;
@@ -554,6 +575,12 @@ namespace OpenSim.Region.CoreModules.Asset
{
CleanExpiredFiles(dir, purgeLine);
}
lock(timerLock)
{
if(m_Running)
m_CacheCleanTimer.Start();
}
}
/// <summary>
@@ -789,9 +816,15 @@ namespace OpenSim.Region.CoreModules.Asset
s.ForEachSOG(delegate(SceneObjectGroup e)
{
if(!m_Running && !storeUncached)
return;
gatherer.AddForInspection(e);
gatherer.GatherAll();
if(!m_Running && !storeUncached)
return;
foreach (UUID assetID in gatherer.GatheredUuids.Keys)
{
if (!assetsFound.ContainsKey(assetID))
@@ -820,7 +853,14 @@ namespace OpenSim.Region.CoreModules.Asset
}
gatherer.GatheredUuids.Clear();
if(!m_Running && !storeUncached)
return;
if(!storeUncached)
Thread.Sleep(50);
});
if(!m_Running && !storeUncached)
break;
}
return assetsFound.Count;
@@ -982,7 +1022,26 @@ namespace OpenSim.Region.CoreModules.Asset
WorkManager.RunInThread(delegate
{
bool wasRunning= false;
lock(timerLock)
{
if(m_Running)
{
m_CacheCleanTimer.Stop();
m_Running = false;
wasRunning = true;
Thread.Sleep(100);
}
}
int assetReferenceTotal = TouchAllSceneAssets(true);
lock(timerLock)
{
if(wasRunning)
{
m_CacheCleanTimer.Start();
m_Running = true;
}
}
con.OutputFormat("Completed check with {0} assets.", assetReferenceTotal);
}, null, "TouchAllSceneAssets");