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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.

melanie
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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81
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;
@ -104,6 +105,7 @@ namespace OpenSim.Region.CoreModules.Asset
private IAssetService m_AssetService;
private List<Scene> m_Scenes = new List<Scene>();
private object timerLock = new object();
public FlotsamAssetCache()
{
@ -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)
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");