/** Create an ee and load the volt shared library */
public ExecutionEngine(long siteId, int partitionId) {
m_partitionId = partitionId;
org.voltdb.EELibraryLoader.loadExecutionEngineLibrary(true);
// In mock test environments there may be no stats agent.
final StatsAgent statsAgent = VoltDB.instance().getStatsAgent();
if (statsAgent != null) {
m_plannerStats = new PlannerStatsCollector(siteId);
statsAgent.registerStatsSource(SysProcSelector.PLANNER, siteId, m_plannerStats);
}
}
/** Create a new execution site and the corresponding EE */
public Site(
SiteTaskerQueue scheduler,
long siteId,
BackendTarget backend,
CatalogContext context,
String serializedCatalog,
long txnId,
int partitionId,
int numPartitions,
VoltDB.START_ACTION startAction,
int snapshotPriority,
InitiatorMailbox initiatorMailbox,
StatsAgent agent,
MemoryStats memStats) {
m_siteId = siteId;
m_context = context;
m_partitionId = partitionId;
m_numberOfPartitions = numPartitions;
m_scheduler = scheduler;
m_backend = backend;
m_startAction = startAction;
m_rejoinState = VoltDB.createForRejoin(startAction) ? kStateRejoining : kStateRunning;
m_snapshotPriority = snapshotPriority;
// need this later when running in the final thread.
m_startupConfig = new StartupConfig(serializedCatalog, context.m_timestamp);
m_lastCommittedTxnId = TxnEgo.makeZero(partitionId).getTxnId();
m_lastCommittedSpHandle = TxnEgo.makeZero(partitionId).getTxnId();
m_currentTxnId = Long.MIN_VALUE;
m_initiatorMailbox = initiatorMailbox;
if (agent != null) {
m_tableStats = new TableStats(m_siteId);
agent.registerStatsSource(SysProcSelector.TABLE, m_siteId, m_tableStats);
m_indexStats = new IndexStats(m_siteId);
agent.registerStatsSource(SysProcSelector.INDEX, m_siteId, m_indexStats);
m_memStats = memStats;
} else {
// MPI doesn't need to track these stats
m_tableStats = null;
m_indexStats = null;
m_memStats = null;
}
}