private static PageCachePreloadConfiguration ProcessPreloadConfiguration(XmlElement preloadPages)
{
var enabled = IsEnabled(preloadPages);
var preloadConfiguration = new PageCachePreloadConfiguration {Enabled = enabled};
decimal defaultRatio;
preloadConfiguration.DefaultCacheRatio = Decimal.TryParse(preloadPages.GetAttribute("defaultCacheRatio"),
out defaultRatio)
? defaultRatio
: 1.0m;
preloadConfiguration.StorePreloadConfigurations = new Dictionary<string, StorePreloadConfiguration>();
foreach (var storeConfiguration in preloadPages.GetElementsByTagName("store").OfType<XmlElement>())
{
var storeName = storeConfiguration.GetAttribute("name");
decimal cacheRatio;
if (!String.IsNullOrEmpty(storeName) &&
Decimal.TryParse(storeConfiguration.GetAttribute("cacheRatio"), out cacheRatio))
{
preloadConfiguration.StorePreloadConfigurations[storeName] = new StorePreloadConfiguration
{
CacheRatio = cacheRatio
};
}
}
return preloadConfiguration;
}
private static PageCachePreloadConfiguration ProcessPreloadConfiguration(XmlElement preloadPages)
{
var enabled = IsEnabled(preloadPages);
var preloadConfiguration = new PageCachePreloadConfiguration {
Enabled = enabled
};
decimal defaultRatio;
preloadConfiguration.DefaultCacheRatio = Decimal.TryParse(preloadPages.GetAttribute("defaultCacheRatio"),
out defaultRatio)
? defaultRatio
: 1.0m;
preloadConfiguration.StorePreloadConfigurations = new Dictionary <string, StorePreloadConfiguration>();
foreach (var storeConfiguration in preloadPages.GetElementsByTagName("store").OfType <XmlElement>())
{
var storeName = storeConfiguration.GetAttribute("name");
decimal cacheRatio;
if (!String.IsNullOrEmpty(storeName) &&
Decimal.TryParse(storeConfiguration.GetAttribute("cacheRatio"), out cacheRatio))
{
preloadConfiguration.StorePreloadConfigurations[storeName] = new StorePreloadConfiguration
{
CacheRatio = cacheRatio
};
}
}
return(preloadConfiguration);
}
public ConfigurationProvider()
{
// Transaction Flushing
TransactionFlushTripleCount = DefaultTransactionFlushTripleCount;
// ResourceCacheLimit
ResourceCacheLimit = DefaultResourceCacheLimit;
// Connection String
ConnectionString = null;
// Query Caching
QueryCache = GetQueryCache(true, DefaultQueryCacheMemory);
// Persistence Type
PersistenceType = DefaultPersistenceType;
// Page Cache Size
PageCacheSize = DefaultPageCacheSize;
// StatsUpdate properties
StatsUpdateTransactionCount = DefaultStatsUpdateTransactionCount;
StatsUpdateTimespan = DefaultStatsUpdateTimespan;
// Cache Preload Configuration
var preloadConfig = new PageCachePreloadConfiguration
{
DefaultCacheRatio = DefaultPreloadCacheRatio,
Enabled = DefaultPreloadCacheEnabled
};
EmbeddedServiceConfiguration = new EmbeddedServiceConfiguration(preloadConfig, false);
}
public ConfigurationProvider()
{
PageCacheSize = DefaultPageCacheSize;
ResourceCacheLimit = DefaultResourceCacheLimit;
PersistenceType = PersistenceType.AppendOnly;
QueryCache = new NullCache();
StatsUpdateTimespan = 0;
StatsUpdateTransactionCount = 0;
TransactionFlushTripleCount = 1000;
PreloadConfiguration = new PageCachePreloadConfiguration {Enabled = false};
}
public static ServerCore GetServerCore(string baseLocation, PageCachePreloadConfiguration preloadConfiguration)
{
lock (UpdateLock)
{
if (!ServerCores.ContainsKey(baseLocation))
{
var serverCore = new ServerCore(baseLocation, QueryCache, PersistenceType);
if (preloadConfiguration != null)
{
serverCore.Warmup(preloadConfiguration);
}
ServerCores.Add(baseLocation, serverCore);
}
return ServerCores[baseLocation];
}
}
public ConfigurationProvider()
{
var appSettings = ConfigurationManager.AppSettings;
// Connection String
ConnectionString = appSettings.Get(ConnectionStringPropertyName);
// Page Cache Size
PageCacheSize = GetApplicationSetting(PageCacheSizePropertyName, DefaultPageCacheSize);
// ResourceCacheLimit
ResourceCacheLimit = GetApplicationSetting(ResourceCacheLimitName, DefaultResourceCacheLimit);
// Persistence Type
var persistenceTypeSetting = appSettings.Get(PersistenceTypeName);
if (!String.IsNullOrEmpty(persistenceTypeSetting))
{
switch (persistenceTypeSetting.ToLowerInvariant())
{
case PersistenceTypeAppendOnly:
PersistenceType = PersistenceType.AppendOnly;
break;
case PersistenceTypeRewrite:
PersistenceType = PersistenceType.Rewrite;
break;
default:
PersistenceType = DefaultPersistenceType;
break;
}
}
else
{
PersistenceType = DefaultPersistenceType;
}
// Query Caching
var enableQueryCacheString = appSettings.Get(EnableQueryCacheName);
var enableQueryCache = true;
if (!string.IsNullOrEmpty(enableQueryCacheString))
{
enableQueryCache = bool.Parse(enableQueryCacheString);
}
var queryCacheMemory = GetApplicationSetting(QueryCacheMemoryName, DefaultQueryCacheMemory);
QueryCache = GetQueryCache(enableQueryCache, queryCacheMemory);
// StatsUpdate properties
StatsUpdateTransactionCount = GetApplicationSetting(StatsUpdateTransactionCountName, 0);
StatsUpdateTimespan = GetApplicationSetting(StatsUpdateTimeSpanName, 0);
// Transaction Flushing
TransactionFlushTripleCount = GetApplicationSetting(TxnFlushTriggerPropertyName, DefaultTransactionFlushTripleCount);
// Cache Preload Configuration
PreloadConfiguration = new PageCachePreloadConfiguration
{
DefaultCacheRatio = GetApplicationSetting(CachePreloadRatioName, 0.5m),
Enabled = GetApplicationSetting(CachePreloadEnabledName, false)
};
}
private List<WarmupInfo> GetStoreWarmupInfo(PageCachePreloadConfiguration preloadConfiguration)
{
var warmupInfos = new List<WarmupInfo>();
foreach (var storeName in ListStores())
{
StorePreloadConfiguration storeConfiguration;
string storeLocation = Path.Combine(_baseLocation, storeName);
if (preloadConfiguration.StorePreloadConfigurations != null &&
preloadConfiguration.StorePreloadConfigurations.TryGetValue(storeName, out storeConfiguration))
{
if (storeConfiguration.CacheRatio > 0)
{
warmupInfos.Add(new WarmupInfo(storeName, storeConfiguration.CacheRatio,
GetStoreDataSize(storeLocation)));
}
else if (preloadConfiguration.DefaultCacheRatio > 0)
{
warmupInfos.Add(new WarmupInfo(storeName, preloadConfiguration.DefaultCacheRatio,
GetStoreDataSize(storeLocation)));
}
}
else if (preloadConfiguration.DefaultCacheRatio > 0)
{
warmupInfos.Add(new WarmupInfo(storeName, preloadConfiguration.DefaultCacheRatio,
GetStoreDataSize(storeLocation)));
}
}
return warmupInfos;
}
public void Warmup(PageCachePreloadConfiguration preloadConfiguration)
{
if (preloadConfiguration != null && preloadConfiguration.Enabled)
{
ThreadPool.QueueUserWorkItem(RunServerCoreWarmup, preloadConfiguration);
}
}
