/// <summary>
/// Constructor
/// </summary>
/// <param name="dimensions"></param>
/// <param name="logger"></param>
public DefaultEventHubCacheMonitor(EventHubCacheMonitorDimensions dimensions, Logger logger)
{
this.logger = logger;
this.logProperties = new Dictionary <string, string>
{
{ "Path", dimensions.EventHubPath },
{ "Partition", dimensions.EventHubPartition }
};
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="dimensions"></param>
/// <param name="telemetryProducer"></param>
public DefaultEventHubCacheMonitor(EventHubCacheMonitorDimensions dimensions, ITelemetryProducer telemetryProducer)
: base(telemetryProducer)
{
this.LogProperties = new Dictionary <string, string>
{
{ "Path", dimensions.EventHubPath },
{ "Partition", dimensions.EventHubPartition }
};
}
protected override IEventHubQueueCache CreateCache(string partition, EventHubStreamProviderSettings providerSettings, IStreamQueueCheckpointer <string> checkpointer,
Logger cacheLogger, IObjectPool <FixedSizeBuffer> bufferPool, string blockPoolId, TimePurgePredicate timePurge,
SerializationManager serializationManager, EventHubMonitorAggregationDimensions sharedDimensions)
{
var cacheMonitorDimensions = new EventHubCacheMonitorDimensions(sharedDimensions, partition, blockPoolId);
var cacheMonitor = this.CacheMonitorFactory(cacheMonitorDimensions, cacheLogger);
//set defaultMaxAddCount to 10 so TryCalculateCachePressureContribution will start to calculate real contribution shortly
var cache = new EventHubQueueCache(defaultMaxAddCount, checkpointer, new EventHubDataAdapter(serializationManager, bufferPool),
EventHubDataComparer.Instance, cacheLogger, new EventHubCacheEvictionStrategy(cacheLogger, cacheMonitor, providerSettings.StatisticMonitorWriteInterval, timePurge),
cacheMonitor, providerSettings.StatisticMonitorWriteInterval);
this.caches.Add(cache);
return(cache);
}
protected override IEventHubQueueCache CreateCache(string partition, IEventHubDataAdapter dataAdatper, StreamStatisticOptions options, IStreamQueueCheckpointer <string> checkpointer,
ILoggerFactory loggerFactory, IObjectPool <FixedSizeBuffer> bufferPool, string blockPoolId, TimePurgePredicate timePurge,
SerializationManager serializationManager, EventHubMonitorAggregationDimensions sharedDimensions, ITelemetryProducer telemetryProducer)
{
var cacheMonitorDimensions = new EventHubCacheMonitorDimensions(sharedDimensions, partition, blockPoolId);
var cacheMonitor = this.CacheMonitorFactory(cacheMonitorDimensions, loggerFactory, telemetryProducer);
var cacheLogger = loggerFactory.CreateLogger($"{typeof(EventHubQueueCache).FullName}.{this.name}.{partition}");
var evictionStrategy = new ChronologicalEvictionStrategy(cacheLogger, timePurge, cacheMonitor, options.StatisticMonitorWriteInterval);
//set defaultMaxAddCount to 10 so TryCalculateCachePressureContribution will start to calculate real contribution shortly
var cache = new QueueCacheForTesting(DefaultMaxAddCount, bufferPool, dataAdatper, evictionStrategy, checkpointer,
cacheLogger, cacheMonitor, options.StatisticMonitorWriteInterval);
this.caches.Add(cache);
return(cache);
}
private CacheMonitorForTesting(EventHubCacheMonitorDimensions dimensions, Logger logger)
{
this.CallCounters = new CacheMonitorCounters();
this.logger = logger;
}
