/// <summary>
/// Restart after some administrative tasks that do not need data to be loaded from persistent storage
/// </summary>
public void LightStart()
{
_storage = new ReliableStorage(new NullObjectProcessor(), WorkingDirectory);
TransactionLog = new TransactionLog(WorkingDirectory);
StartProcessingTransactions();
}
/// <summary>
/// Restart after some administrative tasks that do not need data to be loaded from persistent storage
/// </summary>
public void LightStart(bool resetStorage = false)
{
if (resetStorage)
{
_storage = new ReliableStorage(new NullObjectProcessor(), WorkingDirectory);
}
else
{
_storage.LightRestart();
}
TransactionLog = new TransactionLog(WorkingDirectory);
StartProcessingTransactions();
}
public void Start()
{
_storage = Container != null
? new ReliableStorage(new ObjectProcessor(Container), WorkingDirectory)
: new ReliableStorage(new NullObjectProcessor(), WorkingDirectory);
ServerLog.LogInfo("start processing schema");
// Stage 1 load the schema and
// register types (this will create an in-memory data store for each type)
lock (_schemaSync)
{
Container?.LoadSchema(SchemaFilePath);
Container?.LoadSequence(SequenceFilePath);
}
ServerLog.LogInfo("end processing schema");
ServerLog.LogInfo("start loading transaction log");
TransactionLog = new TransactionLog(WorkingDirectory);
ServerLog.LogInfo("end loading transaction log");
// if there are pending transactions data needs to be loaded twice
// first without processing the persistent objects; simply initializing offset tables
// second after processing pending transactions reload and store objects in memory
if (TransactionLog.PendingTransactionsCount > 0)
{
ServerLog.LogInfo("start loading data before transaction processing");
// load once without processing the objects
_storage.LoadPersistentData(false);
ServerLog.LogInfo("end loading data before transaction processing");
}
// start the thread that will process pending transactions
StartProcessingTransactions();
ServerLog.LogInfo("start waiting for pending transactions to be processed");
// Stage 2 wait for the persistence engine to commit all the pending transactions in the log
// in the storage
WaitForPendingTransactions();
ServerLog.LogInfo("end waiting for pending transactions");
// Stage 3 house keeping
ServerLog.LogInfo("start compacting the transaction log");
TransactionLog.ClearLog();
ServerLog.LogInfo("end compacting the transaction log");
ServerLog.LogInfo("start compacting the persistence storage");
_storage.CleanStorage();
ServerLog.LogInfo("end compacting the persistence storage");
ServerLog.LogInfo("begin load data");
// Stage 4 load data from persisent storage to memory
_storage.LoadPersistentData();
ServerLog.LogInfo("end load data");
}
