示例#1
0
 /** 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);
   }
 }
示例#2
0
文件: Site.java 项目: sumitk1/voltdb
  /** 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;
    }
  }