path: root/ndb/src/kernel/vm/Configuration.cpp

/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include <ndb_global.h>
#include <ndb_opts.h>

#include "Configuration.hpp"
#include <ErrorHandlingMacros.hpp>
#include "GlobalData.hpp"

#include <ConfigRetriever.hpp>
#include <IPCConfig.hpp>
#include <ndb_version.h>
#include <NdbMem.h>
#include <NdbOut.hpp>
#include <WatchDog.hpp>

#include <mgmapi_configuration.hpp>
#include <mgmapi_config_parameters_debug.h>
#include <kernel_config_parameters.h>

#include <kernel_types.h>
#include <ndb_limits.h>
#include <ndbapi_limits.h>
#include "pc.hpp"
#include <LogLevel.hpp>
#include <NdbSleep.h>

extern "C" {
  void ndbSetOwnVersion();
}

#include <EventLogger.hpp>
extern EventLogger g_eventLogger;

enum ndbd_options {
  OPT_INITIAL = NDB_STD_OPTIONS_LAST,
  OPT_NODAEMON
};

NDB_STD_OPTS_VARS;
static int _daemon, _no_daemon, _initial, _no_start;
/**
 * Arguments to NDB process
 */ 
static struct my_option my_long_options[] =
{
  NDB_STD_OPTS("ndbd"),
  { "initial", OPT_INITIAL,
    "Perform initial start of ndbd, including cleaning the file system. "
    "Consult documentation before using this",
    (gptr*) &_initial, (gptr*) &_initial, 0,
    GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
  { "nostart", 'n',
    "Don't start ndbd immediately. Ndbd will await command from ndb_mgmd",
    (gptr*) &_no_start, (gptr*) &_no_start, 0,
    GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
  { "daemon", 'd', "Start ndbd as daemon (default)",
    (gptr*) &_daemon, (gptr*) &_daemon, 0,
    GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0 },
  { "nodaemon", OPT_NODAEMON,
    "Do not start ndbd as daemon, provided for testing purposes",
    (gptr*) &_no_daemon, (gptr*) &_no_daemon, 0,
    GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static void short_usage_sub(void)
{
  printf("Usage: %s [OPTIONS]\n", my_progname);
}
static void usage()
{
  short_usage_sub();
  ndb_std_print_version();
  my_print_help(my_long_options);
  my_print_variables(my_long_options);
}

bool
Configuration::init(int argc, char** argv)
{  
  const char *load_default_groups[]= { "mysql_cluster","ndbd",0 };
  load_defaults("my",load_default_groups,&argc,&argv);

  int ho_error;
#ifndef DBUG_OFF
  opt_debug= "d:t:O,/tmp/ndbd.trace";
#endif
  if ((ho_error=handle_options(&argc, &argv, my_long_options,
			       ndb_std_get_one_option)))
    exit(ho_error);

  if (_no_daemon) {
    _daemon= 0;
  }

  DBUG_PRINT("info", ("no_start=%d", _no_start));
  DBUG_PRINT("info", ("initial=%d", _initial));
  DBUG_PRINT("info", ("daemon=%d", _daemon));
  DBUG_PRINT("info", ("connect_str=%s", opt_connect_str));

  ndbSetOwnVersion();

  // Check the start flag
  if (_no_start)
    globalData.theRestartFlag = initial_state;
  else 
    globalData.theRestartFlag = perform_start;

  // Check the initial flag
  if (_initial)
    _initialStart = true;
  
  // Check connectstring
  if (opt_connect_str)
    _connectString = strdup(opt_connect_str);
  
  // Check daemon flag
  if (_daemon)
    _daemonMode = true;

  // Save programname
  if(argc > 0 && argv[0] != 0)
    _programName = strdup(argv[0]);
  else
    _programName = strdup("");
  
  globalData.ownId= 0;

  return true;
}

Configuration::Configuration()
{
  _programName = 0;
  _connectString = 0;
  _fsPath = 0;
  _backupPath = 0;
  _initialStart = false;
  _daemonMode = false;
  m_config_retriever= 0;
  m_clusterConfig= 0;
  m_clusterConfigIter= 0;
}

Configuration::~Configuration(){
  if(_programName != NULL)
    free(_programName);

  if(_fsPath != NULL)
    free(_fsPath);

  if(_backupPath != NULL)
    free(_backupPath);

  if (m_config_retriever) {
    delete m_config_retriever;
  }
}

void
Configuration::closeConfiguration(){
  if (m_config_retriever) {
    delete m_config_retriever;
  }
  m_config_retriever= 0;
}

void
Configuration::fetch_configuration(){
  /**
   * Fetch configuration from management server
   */
  if (m_config_retriever) {
    delete m_config_retriever;
  }

  m_mgmd_port= 0;
  m_config_retriever= new ConfigRetriever(getConnectString(),
					  NDB_VERSION, NODE_TYPE_DB);

  if (m_config_retriever->hasError())
  {
    ERROR_SET(fatal, ERR_INVALID_CONFIG,
	      "Could not connect initialize handle to management server",
	      m_config_retriever->getErrorString());
  }

  if(m_config_retriever->do_connect(12,5,1) == -1){
    const char * s = m_config_retriever->getErrorString();
    if(s == 0)
      s = "No error given!";
    /* Set stop on error to true otherwise NDB will
       go into an restart loop...
    */
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Could not connect to ndb_mgmd", s);
  }
  
  m_mgmd_port= m_config_retriever->get_mgmd_port();
  m_mgmd_host.assign(m_config_retriever->get_mgmd_host());

  ConfigRetriever &cr= *m_config_retriever;
  
  /**
   * if we have a nodeid set (e.g in a restart situation)
   * reuse it
   */
  if (globalData.ownId)
    cr.setNodeId(globalData.ownId);

  globalData.ownId = cr.allocNodeId(2 /*retry*/,3 /*delay*/);
  
  if(globalData.ownId == 0){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, 
	      "Unable to alloc node id", m_config_retriever->getErrorString());
  }
  
  ndb_mgm_configuration * p = cr.getConfig();
  if(p == 0){
    const char * s = cr.getErrorString();
    if(s == 0)
      s = "No error given!";
    
    /* Set stop on error to true otherwise NDB will
       go into an restart loop...
    */
    
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Could not fetch configuration"
	      "/invalid configuration", s);
  }
  if(m_clusterConfig)
    free(m_clusterConfig);
  
  m_clusterConfig = p;
  
  ndb_mgm_configuration_iterator iter(* p, CFG_SECTION_NODE);
  if (iter.find(CFG_NODE_ID, globalData.ownId)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", "DB missing");
  }
  
  if(iter.get(CFG_DB_STOP_ON_ERROR, &_stopOnError)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
	      "StopOnError missing");
  }
}

static char * get_and_validate_path(ndb_mgm_configuration_iterator &iter,
				    Uint32 param, const char *param_string)
{ 
  const char* path = NULL;
  if(iter.get(param, &path)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched missing ", 
	      param_string);
  } 
  
  if(path == 0 || strlen(path) == 0){
    ERROR_SET(fatal, ERR_INVALID_CONFIG,
	      "Invalid configuration fetched. Configuration does not contain valid ",
	      param_string);
  }
  
  // check that it is pointing on a valid directory
  // 
  char buf2[PATH_MAX];
  memset(buf2, 0,sizeof(buf2));
#ifdef NDB_WIN32
  char* szFilePart;
  if(!GetFullPathName(path, sizeof(buf2), buf2, &szFilePart) ||
     (GetFileAttributes(buf2) & FILE_ATTRIBUTE_READONLY))
#else
  if((::realpath(path, buf2) == NULL)||
       (::access(buf2, W_OK) != 0))
#endif
  {
    ERROR_SET(fatal, AFS_ERROR_INVALIDPATH, path, " Filename::init()");
  }
  
  if (strcmp(&buf2[strlen(buf2) - 1], DIR_SEPARATOR))
    strcat(buf2, DIR_SEPARATOR);
  
  return strdup(buf2);
}

void
Configuration::setupConfiguration(){

  DBUG_ENTER("Configuration::setupConfiguration");

  ndb_mgm_configuration * p = m_clusterConfig;

  /**
   * Configure transporters
   */
  {  
    int res = IPCConfig::configureTransporters(globalData.ownId,
					       * p, 
					       globalTransporterRegistry);
    if(res <= 0){
      ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
		"No transporters configured");
    }
  }

  /**
   * Setup cluster configuration data
   */
  ndb_mgm_configuration_iterator iter(* p, CFG_SECTION_NODE);
  if (iter.find(CFG_NODE_ID, globalData.ownId)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", "DB missing");
  }

  unsigned type;
  if(!(iter.get(CFG_TYPE_OF_SECTION, &type) == 0 && type == NODE_TYPE_DB)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched",
	      "I'm wrong type of node");
  }
  
  if(iter.get(CFG_DB_NO_SAVE_MSGS, &_maxErrorLogs)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
	      "MaxNoOfSavedMessages missing");
  }
  
  if(iter.get(CFG_DB_MEMLOCK, &_lockPagesInMainMemory)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
	      "LockPagesInMainMemory missing");
  }

  if(iter.get(CFG_DB_WATCHDOG_INTERVAL, &_timeBetweenWatchDogCheck)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
	      "TimeBetweenWatchDogCheck missing");
  }

  /**
   * Get paths
   */  
  if (_fsPath)
    free(_fsPath);
  _fsPath= get_and_validate_path(iter, CFG_DB_FILESYSTEM_PATH, "FileSystemPath");
  if (_backupPath)
    free(_backupPath);
  _backupPath= get_and_validate_path(iter, CFG_DB_BACKUP_DATADIR, "BackupDataDir");

  if(iter.get(CFG_DB_STOP_ON_ERROR_INSERT, &m_restartOnErrorInsert)){
    ERROR_SET(fatal, ERR_INVALID_CONFIG, "Invalid configuration fetched", 
	      "RestartOnErrorInsert missing");
  }

  /**
   * Create the watch dog thread
   */
  { 
    Uint32 t = _timeBetweenWatchDogCheck;
    t = globalEmulatorData.theWatchDog ->setCheckInterval(t);
    _timeBetweenWatchDogCheck = t;
  }
  
  ConfigValues* cf = ConfigValuesFactory::extractCurrentSection(iter.m_config);

  if(m_clusterConfigIter)
    ndb_mgm_destroy_iterator(m_clusterConfigIter);
  m_clusterConfigIter = ndb_mgm_create_configuration_iterator
    (p, CFG_SECTION_NODE);

  calcSizeAlt(cf);

  DBUG_VOID_RETURN;
}

bool 
Configuration::lockPagesInMainMemory() const {
  return _lockPagesInMainMemory;
}

int 
Configuration::timeBetweenWatchDogCheck() const {
  return _timeBetweenWatchDogCheck;
}

void 
Configuration::timeBetweenWatchDogCheck(int value) {
  _timeBetweenWatchDogCheck = value;
}

int 
Configuration::maxNoOfErrorLogs() const {
  return _maxErrorLogs;
}

void 
Configuration::maxNoOfErrorLogs(int val){
  _maxErrorLogs = val;
}

bool
Configuration::stopOnError() const {
  return _stopOnError;
}

void 
Configuration::stopOnError(bool val){
  _stopOnError = val;
}

int
Configuration::getRestartOnErrorInsert() const {
  return m_restartOnErrorInsert;
}

void
Configuration::setRestartOnErrorInsert(int i){
  m_restartOnErrorInsert = i;
}

const char *
Configuration::getConnectString() const {
  return _connectString;
}

char *
Configuration::getConnectStringCopy() const {
  if(_connectString != 0)
    return strdup(_connectString);
  return 0;
}

const ndb_mgm_configuration_iterator * 
Configuration::getOwnConfigIterator() const {
  return m_ownConfigIterator;
}
  
ndb_mgm_configuration_iterator * 
Configuration::getClusterConfigIterator() const {
  return m_clusterConfigIter;
}

void
Configuration::calcSizeAlt(ConfigValues * ownConfig){
  const char * msg = "Invalid configuration fetched";
  char buf[255];

  unsigned int noOfTables = 0;
  unsigned int noOfUniqueHashIndexes = 0;
  unsigned int noOfOrderedIndexes = 0;
  unsigned int noOfTriggers = 0;
  unsigned int noOfReplicas = 0;
  unsigned int noOfDBNodes = 0;
  unsigned int noOfAPINodes = 0;
  unsigned int noOfMGMNodes = 0;
  unsigned int noOfNodes = 0;
  unsigned int noOfAttributes = 0;
  unsigned int noOfOperations = 0;
  unsigned int noOfLocalOperations = 0;
  unsigned int noOfTransactions = 0;
  unsigned int noOfIndexPages = 0;
  unsigned int noOfDataPages = 0;
  unsigned int noOfScanRecords = 0;
  unsigned int noOfLocalScanRecords = 0;
  unsigned int noBatchSize = 0;
  m_logLevel = new LogLevel();
  
  struct AttribStorage { int paramId; Uint32 * storage; bool computable; };
  AttribStorage tmp[] = {
    { CFG_DB_NO_SCANS, &noOfScanRecords, false },
    { CFG_DB_NO_LOCAL_SCANS, &noOfLocalScanRecords, true },
    { CFG_DB_BATCH_SIZE, &noBatchSize, false },
    { CFG_DB_NO_TABLES, &noOfTables, false },
    { CFG_DB_NO_ORDERED_INDEXES, &noOfOrderedIndexes, false },
    { CFG_DB_NO_UNIQUE_HASH_INDEXES, &noOfUniqueHashIndexes, false },
    { CFG_DB_NO_TRIGGERS, &noOfTriggers, true },
    { CFG_DB_NO_REPLICAS, &noOfReplicas, false },
    { CFG_DB_NO_ATTRIBUTES, &noOfAttributes, false },
    { CFG_DB_NO_OPS, &noOfOperations, false },
    { CFG_DB_NO_LOCAL_OPS, &noOfLocalOperations, true },
    { CFG_DB_NO_TRANSACTIONS, &noOfTransactions, false }
  };

  ndb_mgm_configuration_iterator db(*(ndb_mgm_configuration*)ownConfig, 0);
  
  const int sz = sizeof(tmp)/sizeof(AttribStorage);
  for(int i = 0; i<sz; i++){
    if(ndb_mgm_get_int_parameter(&db, tmp[i].paramId, tmp[i].storage)){
      if (tmp[i].computable) {
        *tmp[i].storage = 0;
      } else {
        BaseString::snprintf(buf, sizeof(buf),"ConfigParam: %d not found", tmp[i].paramId);
        ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
      }
    }
  }

  Uint64 indexMem = 0, dataMem = 0;
  ndb_mgm_get_int64_parameter(&db, CFG_DB_DATA_MEM, &dataMem);
  ndb_mgm_get_int64_parameter(&db, CFG_DB_INDEX_MEM, &indexMem);
  if(dataMem == 0){
    BaseString::snprintf(buf, sizeof(buf), "ConfigParam: %d not found", CFG_DB_DATA_MEM);
    ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
  }

  if(indexMem == 0){
    BaseString::snprintf(buf, sizeof(buf), "ConfigParam: %d not found", CFG_DB_INDEX_MEM);
    ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
  }

  noOfDataPages = (dataMem / 32768);
  noOfIndexPages = (indexMem / 8192);

  for(unsigned j = 0; j<LogLevel::LOGLEVEL_CATEGORIES; j++){
    Uint32 tmp;
    if(!ndb_mgm_get_int_parameter(&db, CFG_MIN_LOGLEVEL+j, &tmp)){
      m_logLevel->setLogLevel((LogLevel::EventCategory)j, tmp);
    }
  }
  
  // tmp
  ndb_mgm_configuration_iterator * p = m_clusterConfigIter;

  Uint32 nodeNo = noOfNodes = 0;
  NodeBitmask nodes;
  for(ndb_mgm_first(p); ndb_mgm_valid(p); ndb_mgm_next(p), nodeNo++){
    
    Uint32 nodeId;
    Uint32 nodeType;
    
    if(ndb_mgm_get_int_parameter(p, CFG_NODE_ID, &nodeId)){
      ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, "Node data (Id) missing");
    }
    
    if(ndb_mgm_get_int_parameter(p, CFG_TYPE_OF_SECTION, &nodeType)){
      ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, "Node data (Type) missing");
    }
    
    if(nodeId > MAX_NODES || nodeId == 0){
      BaseString::snprintf(buf, sizeof(buf),
	       "Invalid node id: %d", nodeId);
      ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
    }
    
    if(nodes.get(nodeId)){
      BaseString::snprintf(buf, sizeof(buf), "Two node can not have the same node id: %d",
	       nodeId);
      ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
    }
    nodes.set(nodeId);
        
    switch(nodeType){
    case NODE_TYPE_DB:
      noOfDBNodes++; // No of NDB processes
      
      if(nodeId > MAX_NDB_NODES){
		  BaseString::snprintf(buf, sizeof(buf), "Maximum node id for a ndb node is: %d", 
		 MAX_NDB_NODES);
	ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
      }
      break;
    case NODE_TYPE_API:
      noOfAPINodes++; // No of API processes
      break;
    case NODE_TYPE_REP:
      break;
    case NODE_TYPE_MGM:
      noOfMGMNodes++; // No of MGM processes
      break;
    case NODE_TYPE_EXT_REP:
      break;
    default:
      BaseString::snprintf(buf, sizeof(buf), "Unknown node type: %d", nodeType);
      ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
    }
  }
  noOfNodes = nodeNo;

  noOfTables+= 2; // Add System tables
  noOfAttributes += 9;  // Add System table attributes

  ConfigValues::Iterator it2(*ownConfig, db.m_config);
  it2.set(CFG_DB_NO_TABLES, noOfTables);
  it2.set(CFG_DB_NO_ATTRIBUTES, noOfAttributes);
  {
    Uint32 neededNoOfTriggers =   /* types: Insert/Update/Delete/Custom */
      3 * noOfUniqueHashIndexes + /* for unique hash indexes, I/U/D */
      3 * NDB_MAX_ACTIVE_EVENTS + /* for events in suma, I/U/D */
      3 * noOfTables +            /* for backup, I/U/D */
      noOfOrderedIndexes;         /* for ordered indexes, C */
    if (noOfTriggers < neededNoOfTriggers)
    {
      noOfTriggers= neededNoOfTriggers;
      it2.set(CFG_DB_NO_TRIGGERS, noOfTriggers);
    }
  }

  /**
   * Do size calculations
   */
  ConfigValuesFactory cfg(ownConfig);

  Uint32 noOfMetaTables= noOfTables + noOfOrderedIndexes +
                           noOfUniqueHashIndexes;
  Uint32 noOfMetaTablesDict= noOfMetaTables;
  if (noOfMetaTablesDict > MAX_TABLES)
    noOfMetaTablesDict= MAX_TABLES;

  {
    /**
     * Dict Size Alt values
     */
    cfg.put(CFG_DICT_ATTRIBUTE, 
	    noOfAttributes);

    cfg.put(CFG_DICT_TABLE,
	    noOfMetaTablesDict);
  }


  if (noOfLocalScanRecords == 0) {
    noOfLocalScanRecords = (noOfDBNodes * noOfScanRecords) + 1;
  }
  if (noOfLocalOperations == 0) {
    noOfLocalOperations= (11 * noOfOperations) / 10;
  }
  Uint32 noOfTCScanRecords = noOfScanRecords;

  {
    Uint32 noOfAccTables= noOfMetaTables/*noOfTables+noOfUniqueHashIndexes*/;
    /**
     * Acc Size Alt values
     */
    // Can keep 65536 pages (= 0.5 GByte)
    cfg.put(CFG_ACC_DIR_RANGE, 
	    4 * NO_OF_FRAG_PER_NODE * noOfAccTables* noOfReplicas); 
    
    cfg.put(CFG_ACC_DIR_ARRAY,
	    (noOfIndexPages >> 8) + 
	    4 * NO_OF_FRAG_PER_NODE * noOfAccTables* noOfReplicas);
    
    cfg.put(CFG_ACC_FRAGMENT,
	    2 * NO_OF_FRAG_PER_NODE * noOfAccTables* noOfReplicas);
    
    /*-----------------------------------------------------------------------*/
    // The extra operation records added are used by the scan and node 
    // recovery process. 
    // Node recovery process will have its operations dedicated to ensure
    // that they never have a problem with allocation of the operation record.
    // The remainder are allowed for use by the scan processes.
    /*-----------------------------------------------------------------------*/
    cfg.put(CFG_ACC_OP_RECS,
	    (noOfLocalOperations + 50) + 
	    (noOfLocalScanRecords * noBatchSize) +
	    NODE_RECOVERY_SCAN_OP_RECORDS);
    
    cfg.put(CFG_ACC_OVERFLOW_RECS,
	    noOfIndexPages + 
	    2 * NO_OF_FRAG_PER_NODE * noOfAccTables* noOfReplicas);
    
    cfg.put(CFG_ACC_PAGE8, 
	    noOfIndexPages + 32);
    
    cfg.put(CFG_ACC_ROOT_FRAG, 
	    NO_OF_FRAG_PER_NODE * noOfAccTables* noOfReplicas);
    
    cfg.put(CFG_ACC_TABLE, noOfAccTables);
    
    cfg.put(CFG_ACC_SCAN, noOfLocalScanRecords);
  }
  
  {
    /**
     * Dih Size Alt values
     */
    cfg.put(CFG_DIH_API_CONNECT, 
	    2 * noOfTransactions);
    
    cfg.put(CFG_DIH_CONNECT, 
	    noOfOperations + noOfTransactions + 46);
    
    Uint32 noFragPerTable= ((noOfDBNodes + NO_OF_FRAGS_PER_CHUNK - 1) >>
                           LOG_NO_OF_FRAGS_PER_CHUNK) <<
                           LOG_NO_OF_FRAGS_PER_CHUNK;

    cfg.put(CFG_DIH_FRAG_CONNECT, 
	    noFragPerTable *  noOfMetaTables);
    
    int temp;
    temp = noOfReplicas - 2;
    if (temp < 0)
      temp = 1;
    else
      temp++;
    cfg.put(CFG_DIH_MORE_NODES, 
	    temp * NO_OF_FRAG_PER_NODE *
	    noOfMetaTables *  noOfDBNodes);

    cfg.put(CFG_DIH_REPLICAS, 
	    NO_OF_FRAG_PER_NODE * noOfMetaTables *
	    noOfDBNodes * noOfReplicas);

    cfg.put(CFG_DIH_TABLE, 
	    noOfMetaTables);
  }
  
  {
    /**
     * Lqh Size Alt values
     */
    cfg.put(CFG_LQH_FRAG, 
	    NO_OF_FRAG_PER_NODE * noOfMetaTables * noOfReplicas);
    
    cfg.put(CFG_LQH_TABLE, 
	    noOfMetaTables);

    cfg.put(CFG_LQH_TC_CONNECT, 
	    noOfLocalOperations + 50);
    
    cfg.put(CFG_LQH_SCAN, 
	    noOfLocalScanRecords);
  }
  
  {
    /**
     * Tc Size Alt values
     */
    cfg.put(CFG_TC_API_CONNECT, 
	    3 * noOfTransactions);
    
    cfg.put(CFG_TC_TC_CONNECT, 
	    (2 * noOfOperations) + 16 + noOfTransactions);
    
    cfg.put(CFG_TC_TABLE, 
	    noOfMetaTables);
    
    cfg.put(CFG_TC_LOCAL_SCAN, 
	    noOfLocalScanRecords);
    
    cfg.put(CFG_TC_SCAN, 
	    noOfTCScanRecords);
  }
  
  {
    /**
     * Tup Size Alt values
     */
    cfg.put(CFG_TUP_FRAG, 
	    2 * NO_OF_FRAG_PER_NODE * noOfMetaTables* noOfReplicas);
    
    cfg.put(CFG_TUP_OP_RECS, 
	    noOfLocalOperations + 50);
    
    cfg.put(CFG_TUP_PAGE, 
	    noOfDataPages);
    
    cfg.put(CFG_TUP_PAGE_RANGE, 
	    4 * NO_OF_FRAG_PER_NODE * noOfMetaTables* noOfReplicas);
    
    cfg.put(CFG_TUP_TABLE, 
	    noOfMetaTables);
    
    cfg.put(CFG_TUP_TABLE_DESC, 
	    2 * 6 * NO_OF_FRAG_PER_NODE * noOfAttributes * noOfReplicas +
	    2 * 10 * NO_OF_FRAG_PER_NODE * noOfMetaTables * noOfReplicas );
    
    cfg.put(CFG_TUP_STORED_PROC,
	    noOfLocalScanRecords);
  }

  {
    /**
     * Tux Size Alt values
     */
    cfg.put(CFG_TUX_INDEX, 
	    noOfMetaTables /*noOfOrderedIndexes*/);
    
    cfg.put(CFG_TUX_FRAGMENT,
	    2 * NO_OF_FRAG_PER_NODE * noOfOrderedIndexes * noOfReplicas);
    
    cfg.put(CFG_TUX_ATTRIBUTE, 
	    noOfOrderedIndexes * 4);

    cfg.put(CFG_TUX_SCAN_OP, noOfLocalScanRecords); 
  }

  m_ownConfig = (ndb_mgm_configuration*)cfg.getConfigValues();
  m_ownConfigIterator = ndb_mgm_create_configuration_iterator
    (m_ownConfig, 0);
}

void
Configuration::setInitialStart(bool val){
  _initialStart = val;
}