private void HeartbeatVersion42000(TransactionOperationContext ctx, MaintenanceReport report)
{
report.ServerReport = new ServerReport
{
OutOfCpuCredits = _server.Server.CpuCreditsBalance.BackgroundTasksAlertRaised.IsRaised()
};
using (var writer = new BlittableJsonTextWriter(ctx, _tcp.Stream))
{
ctx.Write(writer, report.ToJson());
}
}
public void CollectDatabasesStatusReport()
{
var lastNodeReport = new Dictionary <string, DatabaseStatusReport>();
var report = new MaintenanceReport();
while (_token.IsCancellationRequested == false)
{
try
{
using (_server.ContextPool.AllocateOperationContext(out TransactionOperationContext ctx))
{
Dictionary <string, DatabaseStatusReport> nodeReport;
using (ctx.OpenReadTransaction())
{
nodeReport = CollectDatabaseInformation(ctx, lastNodeReport);
}
if (SupportedFeatures.Heartbeats.IncludeServerInfo == false)
{
HeartbeatVersion41200(ctx, nodeReport);
}
else
{
report.DatabasesReport = nodeReport;
HeartbeatVersion42000(ctx, report);
}
lastNodeReport = nodeReport;
}
}
catch (Exception e)
{
if (_tcp.TcpClient?.Connected != true)
{
if (_logger.IsInfoEnabled)
{
_logger.Info("The tcp connection was closed, so we exit the maintenance work.");
}
return;
}
if (_logger.IsInfoEnabled)
{
_logger.Info($"Exception occurred while collecting info from {_server.NodeTag}", e);
}
}
finally
{
_token.WaitHandle.WaitOne(WorkerSamplePeriod);
}
}
}
private void HeartbeatVersion42000(TransactionOperationContext ctx, MaintenanceReport report)
{
report.ServerReport = new ServerReport
{
OutOfCpuCredits = _server.Server.CpuCreditsBalance.BackgroundTasksAlertRaised.IsRaised(),
EarlyOutOfMemory = LowMemoryNotification.Instance.IsEarlyOutOfMemory,
HighDirtyMemory = LowMemoryNotification.Instance.DirtyMemoryState.IsHighDirty
};
using (var writer = new BlittableJsonTextWriter(ctx, _tcp.Stream))
{
ctx.Write(writer, report.ToJson());
}
}
