/// <summary>
/// Writes statistics to the database
/// </summary>
/// <param name="statsCounters">Statistics counters to write</param>
/// <returns>Task for database opearation</returns>
public async Task ReportStats(List <ICounter> statsCounters)
{
var siloOrClientName = (isSilo) ? siloName : clientId;
var id = (isSilo) ? siloAddress.ToLongString() : string.Format("{0}:{1}", siloOrClientName, generation);
if (logger.IsEnabled(LogLevel.Trace))
{
logger.Trace("ReportStats called with {0} counters, name: {1}, id: {2}", statsCounters.Count, siloOrClientName, id);
}
var insertTasks = new List <Task>();
try
{
//This batching is done for two reasons:
//1) For not to introduce a query large enough to be rejected.
//2) Performance, though using a fixed constants likely will not give the optimal performance in every situation.
const int maxBatchSizeInclusive = 200;
var counterBatches = BatchCounters(statsCounters, maxBatchSizeInclusive);
foreach (var counterBatch in counterBatches)
{
//The query template from which to retrieve the set of columns that are being inserted.
insertTasks.Add(orleansQueries.InsertStatisticsCountersAsync(deploymentId, hostName, siloOrClientName, id, counterBatch));
}
await Task.WhenAll(insertTasks);
}
catch (Exception ex)
{
if (logger.IsEnabled(LogLevel.Debug))
{
logger.Debug("ReportStats faulted: {0}", ex.ToString());
}
foreach (var faultedTask in insertTasks.Where(t => t.IsFaulted))
{
if (logger.IsEnabled(LogLevel.Debug))
{
logger.Debug("Faulted task exception: {0}", faultedTask.ToString());
}
}
throw;
}
if (logger.IsEnabled(LogLevel.Debug))
{
logger.Debug("ReportStats SUCCESS");
}
}
