_applierThreads.put(source, applierThread);
}
// Create BootstrapDBCleaner
final String dbCleanerName = "DBCleaner";
_dbCleaner = new BootstrapDBCleaner(dbCleanerName,
_bootstrapProducerStaticConfig.getCleaner(),
_bootstrapProducerStaticConfig, _applierThreads, _registeredSources);
// Create periodic trigger thread
_dbPeriodicTriggerThread = new BootstrapDBPeriodicTriggerThread(_dbCleaner,