diff --git a/mysql-test/r/ndb_autodiscover3.result b/mysql-test/r/ndb_autodiscover3.result
index 6e3e5fcc335..86495ebb3eb 100644
--- a/mysql-test/r/ndb_autodiscover3.result
+++ b/mysql-test/r/ndb_autodiscover3.result
@@ -18,6 +18,7 @@ select * from t2;
 ERROR 42S02: Table 'test.t2' doesn't exist
 show tables like 't2';
 Tables_in_test (t2)
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -30,10 +31,12 @@ a
 1
 2
 3
+reset master;
 select * from t2;
 ERROR 42S02: Table 'test.t2' doesn't exist
 show tables like 't2';
 Tables_in_test (t2)
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -46,4 +49,5 @@ a
 1
 2
 3
+reset master;
 drop table t2;
diff --git a/mysql-test/t/disabled.def b/mysql-test/t/disabled.def
index 746a117ccd6..562006c7687 100644
--- a/mysql-test/t/disabled.def
+++ b/mysql-test/t/disabled.def
@@ -16,7 +16,7 @@ events_scheduling        : BUG#19170 2006-04-26 andrey  Test case of 19170 fails
 events_logs_tests        : BUG#17619 2006-05-16 andrey  Test case problems
 ndb_autodiscover         : BUG#18952 2006-02-16 jmiller Needs to be fixed w.r.t binlog
 ndb_autodiscover2        : BUG#18952 2006-02-16 jmiller Needs to be fixed w.r.t binlog
-ndb_binlog_discover      : BUG#19395 2006-04-28 tomas/knielsen mysqld does not always detect cluster shutdown
+#ndb_binlog_discover      : BUG#19395 2006-04-28 tomas/knielsen mysqld does not always detect cluster shutdown
 #ndb_cache2               : BUG#18597 2006-03-28 brian simultaneous drop table and ndb statistics update triggers node failure
 #ndb_cache_multi2         : BUG#18597 2006-04-10 kent  simultaneous drop table and ndb statistics update triggers node failure
 ndb_load                 : BUG#17233 2006-05-04 tomas failed load data from infile causes mysqld dbug_assert, binlog not flushed
diff --git a/mysql-test/t/ndb_autodiscover3.test b/mysql-test/t/ndb_autodiscover3.test
index afbebc4dd03..ed75c89cdd1 100644
--- a/mysql-test/t/ndb_autodiscover3.test
+++ b/mysql-test/t/ndb_autodiscover3.test
@@ -43,6 +43,7 @@ select * from t2 order by a limit 3;
 --error ER_NO_SUCH_TABLE
 select * from t2;
 show tables like 't2';
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -50,6 +51,7 @@ select * from t2 order by a limit 3;
 # server 1 should have a stale cache, and in this case wrong frm, transaction must be retried
 --connection server1
 select * from t2 order by a limit 3;
+reset master;
 
 --exec $NDB_MGM --no-defaults -e "all restart -i" >> $NDB_TOOLS_OUTPUT
 --exec $NDB_TOOLS_DIR/ndb_waiter --no-defaults >> $NDB_TOOLS_OUTPUT
@@ -60,6 +62,7 @@ select * from t2 order by a limit 3;
 --error ER_NO_SUCH_TABLE
 select * from t2;
 show tables like 't2';
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -67,6 +70,7 @@ select * from t2 order by a limit 3;
 # server 2 should have a stale cache, but with right frm, transaction need not be retried
 --connection server2
 select * from t2 order by a limit 3;
+reset master;
 
 drop table t2;
 # End of 4.1 tests
diff --git a/sql/ha_ndbcluster.cc b/sql/ha_ndbcluster.cc
index 5a1d4f48c9b..f46a5eccabf 100644
--- a/sql/ha_ndbcluster.cc
+++ b/sql/ha_ndbcluster.cc
@@ -182,6 +182,8 @@ static const char * ndb_connected_host= 0;
 static long ndb_connected_port= 0;
 static long ndb_number_of_replicas= 0;
 long ndb_number_of_storage_nodes= 0;
+long ndb_number_of_ready_storage_nodes= 0;
+long ndb_connect_count= 0;
 
 static int update_status_variables(Ndb_cluster_connection *c)
 {
@@ -190,6 +192,8 @@ static int update_status_variables(Ndb_cluster_connection *c)
   ndb_connected_host=          c->get_connected_host();
   ndb_number_of_replicas=      0;
   ndb_number_of_storage_nodes= c->no_db_nodes();
+  ndb_number_of_ready_storage_nodes= c->get_no_ready();
+  ndb_connect_count= c->get_connect_count();
   return 0;
 }
 
@@ -7128,10 +7132,6 @@ void ndbcluster_real_free_share(NDB_SHARE **share)
 #ifndef DBUG_OFF
     bzero((gptr)(*share)->table_share, sizeof(*(*share)->table_share));
     bzero((gptr)(*share)->table, sizeof(*(*share)->table));
-#endif
-    my_free((gptr) (*share)->table_share, MYF(0));
-    my_free((gptr) (*share)->table, MYF(0));
-#ifndef DBUG_OFF
     (*share)->table_share= 0;
     (*share)->table= 0;
 #endif
@@ -9361,11 +9361,15 @@ ndbcluster_show_status(THD* thd, stat_print_fn *stat_print,
                 "cluster_node_id=%u, "
                 "connected_host=%s, "
                 "connected_port=%u, "
-                "number_of_storage_nodes=%u",
+                "number_of_storage_nodes=%u, "
+                "number_of_ready_storage_nodes=%u, "
+                "connect_count=%u",
                 ndb_cluster_node_id,
                 ndb_connected_host,
                 ndb_connected_port,
-                ndb_number_of_storage_nodes);
+                ndb_number_of_storage_nodes,
+                ndb_number_of_ready_storage_nodes,
+                ndb_connect_count);
   if (stat_print(thd, ndbcluster_hton.name, strlen(ndbcluster_hton.name),
                  "connection", strlen("connection"),
                  buf, buflen))
diff --git a/sql/ha_ndbcluster.h b/sql/ha_ndbcluster.h
index f407cb0090f..78c9ec765bb 100644
--- a/sql/ha_ndbcluster.h
+++ b/sql/ha_ndbcluster.h
@@ -113,6 +113,7 @@ typedef struct st_ndbcluster_share {
   char *old_names; // for rename table
   TABLE_SHARE *table_share;
   TABLE *table;
+  byte *record[2]; // pointer to allocated records for receiving data
   NdbValue *ndb_value[2];
   MY_BITMAP *subscriber_bitmap;
 #endif
diff --git a/sql/ha_ndbcluster_binlog.cc b/sql/ha_ndbcluster_binlog.cc
index bae2a3cbd9f..144c073d565 100644
--- a/sql/ha_ndbcluster_binlog.cc
+++ b/sql/ha_ndbcluster_binlog.cc
@@ -25,6 +25,7 @@
 #include "slave.h"
 #include "ha_ndbcluster_binlog.h"
 #include "NdbDictionary.hpp"
+#include <util/NdbAutoPtr.hpp>
 
 #ifdef ndb_dynamite
 #undef assert
@@ -265,7 +266,8 @@ ndbcluster_binlog_close_table(THD *thd, NDB_SHARE *share)
 
 static int
 ndbcluster_binlog_open_table(THD *thd, NDB_SHARE *share,
-                             TABLE_SHARE *table_share, TABLE *table)
+                             TABLE_SHARE *table_share, TABLE *table,
+                             int reopen)
 {
   int error;
   DBUG_ENTER("ndbcluster_binlog_open_table");
@@ -278,27 +280,34 @@ ndbcluster_binlog_open_table(THD *thd, NDB_SHARE *share,
                     share->key, error);
     DBUG_PRINT("error", ("open_table_def failed %d", error));
     free_table_share(table_share);
-    my_free((gptr) table_share, MYF(0));
-    my_free((gptr) table, MYF(0));
     DBUG_RETURN(error);
   }
-  if ((error= open_table_from_share(thd, table_share, "", 0, 
+  if ((error= open_table_from_share(thd, table_share, "", 0 /* fon't allocate buffers */, 
                                     (uint) READ_ALL, 0, table, FALSE)))
   {
     sql_print_error("Unable to open table for %s, error=%d(%d)",
                     share->key, error, my_errno);
     DBUG_PRINT("error", ("open_table_from_share failed %d", error));
     free_table_share(table_share);
-    my_free((gptr) table_share, MYF(0));
-    my_free((gptr) table, MYF(0));
     DBUG_RETURN(error);
   }
   assign_new_table_id(table_share);
-  if (!table->record[1] || table->record[1] == table->record[0])
+
+  if (!reopen)
   {
-    table->record[1]= alloc_root(&table->mem_root,
-                                 table->s->rec_buff_length);
+    // allocate memory on ndb share so it can be reused after online alter table
+    share->record[0]= (byte*) alloc_root(&share->mem_root, table->s->rec_buff_length);
+    share->record[1]= (byte*) alloc_root(&share->mem_root, table->s->rec_buff_length);
   }
+  {
+    my_ptrdiff_t row_offset= share->record[0] - table->record[0];
+    Field **p_field;
+    for (p_field= table->field; *p_field; p_field++)
+      (*p_field)->move_field_offset(row_offset);
+    table->record[0]= share->record[0];
+    table->record[1]= share->record[1];
+  }
+
   table->in_use= injector_thd;
   
   table->s->db.str= share->db;
@@ -366,10 +375,9 @@ void ndbcluster_binlog_init_share(NDB_SHARE *share, TABLE *_table)
   while (1) 
   {
     int error;
-    TABLE_SHARE *table_share= 
-      (TABLE_SHARE *) my_malloc(sizeof(*table_share), MYF(MY_WME));
-    TABLE *table= (TABLE*) my_malloc(sizeof(*table), MYF(MY_WME));
-    if ((error= ndbcluster_binlog_open_table(thd, share, table_share, table)))
+    TABLE_SHARE *table_share= (TABLE_SHARE *) alloc_root(mem_root, sizeof(*table_share));
+    TABLE *table= (TABLE*) alloc_root(mem_root, sizeof(*table));
+    if ((error= ndbcluster_binlog_open_table(thd, share, table_share, table, 0)))
       break;
     /*
       ! do not touch the contents of the table
@@ -1535,6 +1543,10 @@ ndb_handle_schema_change(THD *thd, Ndb *ndb, NdbEventOperation *pOp,
         sql_print_information("NDB: Failed write frm for %s.%s, error %d",
                               dbname, tabname, error);
       }
+      
+      // copy names as memory will be freed
+      NdbAutoPtr<char> a1((char *)(dbname= strdup(dbname)));
+      NdbAutoPtr<char> a2((char *)(tabname= strdup(tabname)));
       ndbcluster_binlog_close_table(thd, share);
 
       TABLE_LIST table_list;
@@ -1543,10 +1555,16 @@ ndb_handle_schema_change(THD *thd, Ndb *ndb, NdbEventOperation *pOp,
       table_list.alias= table_list.table_name= (char *)tabname;
       close_cached_tables(thd, 0, &table_list, TRUE);
 
-      if ((error= ndbcluster_binlog_open_table(thd, share, 
-                                               table_share, table)))
+      if ((error= ndbcluster_binlog_open_table(thd, share,
+                                               table_share, table, 1)))
         sql_print_information("NDB: Failed to re-open table %s.%s",
                               dbname, tabname);
+
+      table= share->table;
+      table_share= share->table_share;
+      dbname= table_share->db.str;
+      tabname= table_share->table_name.str;
+
       pthread_mutex_unlock(&LOCK_open);
     }
     my_free((char*)data, MYF(MY_ALLOW_ZERO_PTR));
@@ -1776,7 +1794,8 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
       break;
     case NDBEVENT::TE_CLUSTER_FAILURE:
       if (ndb_extra_logging)
-        sql_print_information("NDB Binlog: cluster failure for %s.", schema_share->key);
+        sql_print_information("NDB Binlog: cluster failure for %s at epoch %u.",
+                              schema_share->key, (unsigned) pOp->getGCI());
       // fall through
     case NDBEVENT::TE_DROP:
       if (ndb_extra_logging &&
@@ -1785,7 +1804,6 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
                               "read only on reconnect.");
       free_share(&schema_share);
       schema_share= 0;
-      ndb_binlog_tables_inited= FALSE;
       close_cached_tables((THD*) 0, 0, (TABLE_LIST*) 0, FALSE);
       // fall through
     case NDBEVENT::TE_ALTER:
@@ -2829,7 +2847,8 @@ ndb_binlog_thread_handle_non_data_event(THD *thd, Ndb *ndb,
   {
   case NDBEVENT::TE_CLUSTER_FAILURE:
     if (ndb_extra_logging)
-      sql_print_information("NDB Binlog: cluster failure for %s.", share->key);
+      sql_print_information("NDB Binlog: cluster failure for %s at epoch %u.",
+                            share->key, (unsigned) pOp->getGCI());
     if (apply_status_share == share)
     {
       if (ndb_extra_logging &&
@@ -2838,7 +2857,6 @@ ndb_binlog_thread_handle_non_data_event(THD *thd, Ndb *ndb,
                               "read only on reconnect.");
       free_share(&apply_status_share);
       apply_status_share= 0;
-      ndb_binlog_tables_inited= FALSE;
     }
     DBUG_PRINT("info", ("CLUSTER FAILURE EVENT: "
                         "%s  received share: 0x%lx  op: %lx  share op: %lx  "
@@ -2854,7 +2872,6 @@ ndb_binlog_thread_handle_non_data_event(THD *thd, Ndb *ndb,
                               "read only on reconnect.");
       free_share(&apply_status_share);
       apply_status_share= 0;
-      ndb_binlog_tables_inited= FALSE;
     }
     /* ToDo: remove printout */
     if (ndb_extra_logging)
@@ -3267,46 +3284,43 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
   pthread_mutex_unlock(&injector_mutex);
   pthread_cond_signal(&injector_cond);
 
-  thd->proc_info= "Waiting for ndbcluster to start";
-
-  pthread_mutex_lock(&injector_mutex);
-  while (!schema_share ||
-         (ndb_binlog_running && !apply_status_share))
-  {
-    /* ndb not connected yet */
-    struct timespec abstime;
-    set_timespec(abstime, 1);
-    pthread_cond_timedwait(&injector_cond, &injector_mutex, &abstime);
-    if (abort_loop)
-    {
-      pthread_mutex_unlock(&injector_mutex);
-      goto err;
-    }
-  }
-  pthread_mutex_unlock(&injector_mutex);
-
+restart:
   /*
     Main NDB Injector loop
   */
+  {
+    thd->proc_info= "Waiting for ndbcluster to start";
 
-  DBUG_ASSERT(ndbcluster_hton.slot != ~(uint)0);
-  if (!(thd_ndb= ha_ndbcluster::seize_thd_ndb()))
-  {
-    sql_print_error("Could not allocate Thd_ndb object");
-    goto err;
-  }
-  set_thd_ndb(thd, thd_ndb);
-  thd_ndb->options|= TNO_NO_LOG_SCHEMA_OP;
-  thd->query_id= 0; // to keep valgrind quiet
-  {
-    static char db[]= "";
-    thd->db= db;
-    if (ndb_binlog_running)
-      open_binlog_index(thd, &binlog_tables, &binlog_index);
-    thd->db= db;
+    pthread_mutex_lock(&injector_mutex);
+    while (!schema_share ||
+           (ndb_binlog_running && !apply_status_share))
+    {
+      /* ndb not connected yet */
+      struct timespec abstime;
+      set_timespec(abstime, 1);
+      pthread_cond_timedwait(&injector_cond, &injector_mutex, &abstime);
+      if (abort_loop)
+      {
+        pthread_mutex_unlock(&injector_mutex);
+        goto err;
+      }
+    }
+    pthread_mutex_unlock(&injector_mutex);
+
+    if (thd_ndb == NULL)
+    {
+      DBUG_ASSERT(ndbcluster_hton.slot != ~(uint)0);
+      if (!(thd_ndb= ha_ndbcluster::seize_thd_ndb()))
+      {
+        sql_print_error("Could not allocate Thd_ndb object");
+        goto err;
+      }
+      set_thd_ndb(thd, thd_ndb);
+      thd_ndb->options|= TNO_NO_LOG_SCHEMA_OP;
+      thd->query_id= 0; // to keep valgrind quiet
+    }
   }
 
-restart:
   {
     // wait for the first event
     thd->proc_info= "Waiting for first event from ndbcluster";
@@ -3321,6 +3335,9 @@ restart:
     DBUG_PRINT("info", ("schema_res: %d  schema_gci: %d", schema_res, schema_gci));
     if (schema_res > 0)
     {
+      i_ndb->pollEvents(0);
+      i_ndb->flushIncompleteEvents(schema_gci);
+      s_ndb->flushIncompleteEvents(schema_gci);
       if (schema_gci < ndb_latest_handled_binlog_epoch)
       {
         sql_print_error("NDB Binlog: cluster has been restarted --initial or with older filesystem. "
@@ -3334,7 +3351,13 @@ restart:
       }
     }
   }
-
+  {
+    static char db[]= "";
+    thd->db= db;
+    if (ndb_binlog_running)
+      open_binlog_index(thd, &binlog_tables, &binlog_index);
+    thd->db= db;
+  }
   do_ndbcluster_binlog_close_connection= BCCC_running;
   for ( ; !((abort_loop || do_ndbcluster_binlog_close_connection) &&
             ndb_latest_handled_binlog_epoch >= g_latest_trans_gci) &&
@@ -3683,7 +3706,12 @@ restart:
     ndb_latest_handled_binlog_epoch= ndb_latest_received_binlog_epoch;
   }
   if (do_ndbcluster_binlog_close_connection == BCCC_restart)
+  {
+    ndb_binlog_tables_inited= FALSE;
+    close_thread_tables(thd);
+    binlog_index= 0;
     goto restart;
+  }
 err:
   DBUG_PRINT("info",("Shutting down cluster binlog thread"));
   thd->proc_info= "Shutting down";
diff --git a/storage/ndb/include/ndbapi/Ndb.hpp b/storage/ndb/include/ndbapi/Ndb.hpp
index 010b85b03a9..f6f313e9224 100644
--- a/storage/ndb/include/ndbapi/Ndb.hpp
+++ b/storage/ndb/include/ndbapi/Ndb.hpp
@@ -1262,6 +1262,7 @@ public:
   
 
 #ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
+  int flushIncompleteEvents(Uint64 gci);
   NdbEventOperation *getEventOperation(NdbEventOperation* eventOp= 0);
   Uint64 getLatestGCI();
   void forceGCP();
diff --git a/storage/ndb/include/ndbapi/NdbDictionary.hpp b/storage/ndb/include/ndbapi/NdbDictionary.hpp
index b31e2551e89..865fb506f05 100644
--- a/storage/ndb/include/ndbapi/NdbDictionary.hpp
+++ b/storage/ndb/include/ndbapi/NdbDictionary.hpp
@@ -1132,7 +1132,8 @@ public:
       _TE_NODE_FAILURE=10,
       _TE_SUBSCRIBE=11,
       _TE_UNSUBSCRIBE=12,
-      _TE_NUL=13 // internal (e.g. INS o DEL within same GCI)
+      _TE_NUL=13, // internal (e.g. INS o DEL within same GCI)
+      _TE_ACTIVE=14 // internal (node becomes active)
     };
 #endif
     /**
diff --git a/storage/ndb/include/util/SocketServer.hpp b/storage/ndb/include/util/SocketServer.hpp
index e766a0b99c4..c4f7e8c0ade 100644
--- a/storage/ndb/include/util/SocketServer.hpp
+++ b/storage/ndb/include/util/SocketServer.hpp
@@ -106,7 +106,8 @@ public:
   void stopSessions(bool wait = false);
   
   void foreachSession(void (*f)(Session*, void*), void *data);
-
+  void checkSessions();
+  
 private:
   struct SessionInstance {
     Service * m_service;
@@ -117,12 +118,13 @@ private:
     Service * m_service;
     NDB_SOCKET_TYPE m_socket;
   };
-  MutexVector<SessionInstance> m_sessions;
+  NdbLockable m_session_mutex;
+  Vector<SessionInstance> m_sessions;
   MutexVector<ServiceInstance> m_services;
   unsigned m_maxSessions;
   
   void doAccept();
-  void checkSessions();
+  void checkSessionsImpl();
   void startSession(SessionInstance &);
   
   /**
diff --git a/storage/ndb/src/common/util/SocketServer.cpp b/storage/ndb/src/common/util/SocketServer.cpp
index f0af925cf6d..f9d2c7463be 100644
--- a/storage/ndb/src/common/util/SocketServer.cpp
+++ b/storage/ndb/src/common/util/SocketServer.cpp
@@ -184,9 +184,12 @@ SocketServer::doAccept(){
 	SessionInstance s;
 	s.m_service = si.m_service;
 	s.m_session = si.m_service->newSession(childSock);
-	if(s.m_session != 0){
+	if(s.m_session != 0)
+	{
+	  m_session_mutex.lock();
 	  m_sessions.push_back(s);
 	  startSession(m_sessions.back());
+	  m_session_mutex.unlock();
 	}
 	
 	continue;
@@ -240,10 +243,13 @@ void
 SocketServer::doRun(){
 
   while(!m_stopThread){
-    checkSessions();
+    m_session_mutex.lock();
+    checkSessionsImpl();
     if(m_sessions.size() < m_maxSessions){
+      m_session_mutex.unlock();
       doAccept();
     } else {
+      m_session_mutex.unlock();
       NdbSleep_MilliSleep(200);
     }
   }
@@ -276,17 +282,30 @@ transfer(NDB_SOCKET_TYPE sock){
 void
 SocketServer::foreachSession(void (*func)(SocketServer::Session*, void *), void *data)
 {
+  m_session_mutex.lock();
   for(int i = m_sessions.size() - 1; i >= 0; i--){
     (*func)(m_sessions[i].m_session, data);
   }
-  checkSessions();
+  m_session_mutex.unlock();
 }
 
 void
-SocketServer::checkSessions(){
-  for(int i = m_sessions.size() - 1; i >= 0; i--){
-    if(m_sessions[i].m_session->m_stopped){
-      if(m_sessions[i].m_thread != 0){
+SocketServer::checkSessions()
+{
+  m_session_mutex.lock();
+  checkSessionsImpl();
+  m_session_mutex.unlock();  
+}
+
+void
+SocketServer::checkSessionsImpl()
+{
+  for(int i = m_sessions.size() - 1; i >= 0; i--)
+  {
+    if(m_sessions[i].m_session->m_stopped)
+    {
+      if(m_sessions[i].m_thread != 0)
+      {
 	void* ret;
 	NdbThread_WaitFor(m_sessions[i].m_thread, &ret);
 	NdbThread_Destroy(&m_sessions[i].m_thread);
@@ -301,19 +320,26 @@ SocketServer::checkSessions(){
 void
 SocketServer::stopSessions(bool wait){
   int i;
+  m_session_mutex.lock();
   for(i = m_sessions.size() - 1; i>=0; i--)
   {
     m_sessions[i].m_session->stopSession();
     m_sessions[i].m_session->m_stop = true; // to make sure
   }
+  m_session_mutex.unlock();
+  
   for(i = m_services.size() - 1; i>=0; i--)
     m_services[i].m_service->stopSessions();
   
   if(wait){
+    m_session_mutex.lock();
     while(m_sessions.size() > 0){
-      checkSessions();
+      checkSessionsImpl();
+      m_session_mutex.unlock();
       NdbSleep_MilliSleep(100);
+      m_session_mutex.lock();
     }
+    m_session_mutex.unlock();
   }
 }
 
@@ -348,4 +374,4 @@ sessionThread_C(void* _sc){
 }
 
 template class MutexVector<SocketServer::ServiceInstance>;
-template class MutexVector<SocketServer::SessionInstance>;
+template class Vector<SocketServer::SessionInstance>;
diff --git a/storage/ndb/src/kernel/blocks/suma/Suma.cpp b/storage/ndb/src/kernel/blocks/suma/Suma.cpp
index 867b13e1e40..91f0fab06f8 100644
--- a/storage/ndb/src/kernel/blocks/suma/Suma.cpp
+++ b/storage/ndb/src/kernel/blocks/suma/Suma.cpp
@@ -2649,6 +2649,22 @@ Suma::reportAllSubscribers(Signal *signal,
                            SubscriptionPtr subPtr,
                            SubscriberPtr subbPtr)
 {
+  SubTableData * data  = (SubTableData*)signal->getDataPtrSend();
+
+  if (table_event == NdbDictionary::Event::_TE_SUBSCRIBE)
+  {
+    data->gci            = m_last_complete_gci + 1;
+    data->tableId        = subPtr.p->m_tableId;
+    data->operation      = NdbDictionary::Event::_TE_ACTIVE;
+    data->ndbd_nodeid    = refToNode(reference());
+    data->changeMask     = 0;
+    data->totalLen       = 0;
+    data->req_nodeid     = refToNode(subbPtr.p->m_senderRef);
+    data->senderData     = subbPtr.p->m_senderData;
+    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_TABLE_DATA, signal,
+               SubTableData::SignalLength, JBB);
+  }
+
   if (!(subPtr.p->m_options & Subscription::REPORT_SUBSCRIBE))
   {
     return;
@@ -2663,7 +2679,6 @@ Suma::reportAllSubscribers(Signal *signal,
   ndbout_c("reportAllSubscribers  subPtr.i: %d  subPtr.p->n_subscribers: %d",
            subPtr.i, subPtr.p->n_subscribers);
 //#endif
-  SubTableData * data  = (SubTableData*)signal->getDataPtrSend();
   data->gci            = m_last_complete_gci + 1;
   data->tableId        = subPtr.p->m_tableId;
   data->operation      = table_event;
diff --git a/storage/ndb/src/mgmsrv/Services.cpp b/storage/ndb/src/mgmsrv/Services.cpp
index be15484688b..d7f58d124aa 100644
--- a/storage/ndb/src/mgmsrv/Services.cpp
+++ b/storage/ndb/src/mgmsrv/Services.cpp
@@ -502,6 +502,7 @@ MgmApiSession::get_nodeid(Parser_t::Context &,
         ps.tick= tick;
         m_mgmsrv.get_socket_server()->
           foreachSession(stop_session_if_timed_out,&ps);
+	m_mgmsrv.get_socket_server()->checkSessions();
         error_string = "";
         continue;
       }
@@ -1559,6 +1560,7 @@ MgmApiSession::purge_stale_sessions(Parser_t::Context &ctx,
   ps.free_nodes.bitXORC(NodeBitmask()); // invert connected_nodes to get free nodes
 
   m_mgmsrv.get_socket_server()->foreachSession(stop_session_if_not_connected,&ps);
+  m_mgmsrv.get_socket_server()->checkSessions();
 
   m_output->println("purge stale sessions reply");
   if (str.length() > 0)
diff --git a/storage/ndb/src/ndbapi/Ndb.cpp b/storage/ndb/src/ndbapi/Ndb.cpp
index 5cc4875d78f..0b0749c835e 100644
--- a/storage/ndb/src/ndbapi/Ndb.cpp
+++ b/storage/ndb/src/ndbapi/Ndb.cpp
@@ -1324,6 +1324,12 @@ Ndb::pollEvents(int aMillisecondNumber, Uint64 *latestGCI)
   return theEventBuffer->pollEvents(aMillisecondNumber, latestGCI);
 }
 
+int
+Ndb::flushIncompleteEvents(Uint64 gci)
+{
+  return theEventBuffer->flushIncompleteEvents(gci);
+}
+
 NdbEventOperation *Ndb::nextEvent()
 {
   return theEventBuffer->nextEvent();
diff --git a/storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp b/storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp
index 5a842d1ecc5..d2d8c43a064 100644
--- a/storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp
+++ b/storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp
@@ -3002,63 +3002,6 @@ NdbDictionaryImpl::removeCachedObject(NdbTableImpl & impl)
   DBUG_RETURN(0);
 }
 
-/*****************************************************************
- * Get index info
- */
-NdbIndexImpl*
-NdbDictionaryImpl::getIndexImpl(const char * externalName,
-				const BaseString& internalName)
-{
-  ASSERT_NOT_MYSQLD;
-  Ndb_local_table_info * info = get_local_table_info(internalName);
-  if(info == 0){
-    m_error.code = 4243;
-    return 0;
-  }
-  NdbTableImpl * tab = info->m_table_impl;
-
-  if(tab->m_indexType == NdbDictionary::Object::TypeUndefined)
-  {
-    // Not an index
-    m_error.code = 4243;
-    return 0;
-  }
-
-  NdbTableImpl* prim = getTable(tab->m_primaryTable.c_str());
-  if(prim == 0){
-    m_error.code = 4243;
-    return 0;
-  }
-
-  return getIndexImpl(externalName, internalName, *tab, *prim);
-}
-
-NdbIndexImpl*
-NdbDictionaryImpl::getIndexImpl(const char * externalName,
-                                const BaseString& internalName,
-				NdbTableImpl &tab,
-                                NdbTableImpl &prim)
-{
-  DBUG_ENTER("NdbDictionaryImpl::getIndexImpl");
-  DBUG_ASSERT(tab.m_indexType != NdbDictionary::Object::TypeUndefined);
-  /**
-   * Create index impl
-   */
-  NdbIndexImpl* idx;
-  if(NdbDictInterface::create_index_obj_from_table(&idx, &tab, &prim) == 0){
-    idx->m_table = &tab;
-    idx->m_externalName.assign(externalName);
-    idx->m_internalName.assign(internalName);
-    idx->m_table_id = prim.getObjectId();
-      idx->m_table_version = prim.getObjectVersion();
-    // TODO Assign idx to tab->m_index
-    // Don't do it right now since assign can't asign a table with index
-    // tab->m_index = idx;
-    DBUG_RETURN(idx);
-  }
-  DBUG_RETURN(0);
-}
-
 int
 NdbDictInterface::create_index_obj_from_table(NdbIndexImpl** dst,
 					      NdbTableImpl* tab,
@@ -3116,6 +3059,9 @@ NdbDictInterface::create_index_obj_from_table(NdbIndexImpl** dst,
       tab->m_columns[i]->m_distributionKey = 0;
   }
 
+  idx->m_table_id = prim->getObjectId();
+  idx->m_table_version = prim->getObjectVersion();
+  
   * dst = idx;
   DBUG_PRINT("exit", ("m_id: %d  m_version: %d", idx->m_id, idx->m_version));
   DBUG_RETURN(0);
diff --git a/storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp b/storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp
index 5a7a1ebb0ab..cf30abc6c3f 100644
--- a/storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp
+++ b/storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp
@@ -617,6 +617,7 @@ public:
     get_local_table_info(const BaseString& internalTableName);
   NdbIndexImpl * getIndex(const char * indexName,
 			  const char * tableName);
+  NdbIndexImpl * getIndex(const char * indexName, const NdbTableImpl& prim);
   NdbEventImpl * getEvent(const char * eventName, NdbTableImpl* = NULL);
   NdbEventImpl * getBlobEvent(const NdbEventImpl& ev, uint col_no);
   NdbEventImpl * getEventImpl(const char * internalName);
@@ -958,51 +959,36 @@ NdbDictionaryImpl::get_local_table_info(const BaseString& internalTableName)
   DBUG_RETURN(info); // autoincrement already initialized
 }
 
-class InitIndexGlobal : public GlobalCacheInitObject
-{
-public:
-  const char *m_index_name;
-  NdbTableImpl &m_prim;
-
-  InitIndexGlobal(NdbDictionaryImpl *dict,
-                  const BaseString &internal_indexname,
-                  const char *index_name,
-            NdbTableImpl &prim) :
-    GlobalCacheInitObject(dict, internal_indexname),
-    m_index_name(index_name),
-    m_prim(prim)
-  {}
-  int init(NdbTableImpl &tab) const
-  {
-    tab.m_index= m_dict->getIndexImpl(m_index_name, m_name, tab, m_prim);
-    if (tab.m_index == 0)
-      return 1;
-    tab.m_index->m_table= &tab;
-    return 0;
-  }
-};
-
 class InitIndex : public GlobalCacheInitObject
 {
 public:
   const char *m_index_name;
+  const NdbTableImpl &m_prim;
 
-  InitIndex(NdbDictionaryImpl *dict,
-            const BaseString &internal_indexname,
-            const char *index_name) :
-    GlobalCacheInitObject(dict, internal_indexname),
-    m_index_name(index_name)
-  {}
-  int init(NdbTableImpl &tab) const
-  {
-    DBUG_ASSERT(tab.m_index == 0);
-    tab.m_index= m_dict->getIndexImpl(m_index_name, m_name);
-    if (tab.m_index)
+  InitIndex(const BaseString &internal_indexname,
+	    const char *index_name,
+	    const NdbTableImpl &prim) :
+    GlobalCacheInitObject(0, internal_indexname),
+    m_index_name(index_name),
+    m_prim(prim)
+    {}
+  
+  int init(NdbTableImpl &tab) const {
+    DBUG_ENTER("InitIndex::init");
+    DBUG_ASSERT(tab.m_indexType != NdbDictionary::Object::TypeUndefined);
+    /**
+     * Create index impl
+     */
+    NdbIndexImpl* idx;
+    if(NdbDictInterface::create_index_obj_from_table(&idx, &tab, &m_prim) == 0)
     {
-      tab.m_index->m_table= &tab;
-      return 0;
+      idx->m_table = &tab;
+      idx->m_externalName.assign(m_index_name);
+      idx->m_internalName.assign(m_name);
+      tab.m_index = idx;
+      DBUG_RETURN(0);
     }
-    return 1;
+    DBUG_RETURN(1);
   }
 };
 
@@ -1019,14 +1005,14 @@ NdbDictionaryImpl::getIndexGlobal(const char * index_name,
   while (retry)
   {
     NdbTableImpl *tab=
-      fetchGlobalTableImplRef(InitIndexGlobal(this, internal_indexname,
-                                              index_name, ndbtab));
+      fetchGlobalTableImplRef(InitIndex(internal_indexname,
+					index_name, ndbtab));
     if (tab)
     {
       // tab->m_index sould be set. otherwise tab == 0
       NdbIndexImpl *idx= tab->m_index;
-      if (idx->m_table_id != ndbtab.getObjectId() ||
-          idx->m_table_version != ndbtab.getObjectVersion())
+      if (idx->m_table_id != (unsigned)ndbtab.getObjectId() ||
+          idx->m_table_version != (unsigned)ndbtab.getObjectVersion())
       {
         releaseIndexGlobal(*idx, 1);
         retry--;
@@ -1067,41 +1053,54 @@ NdbIndexImpl *
 NdbDictionaryImpl::getIndex(const char * index_name,
 			    const char * table_name)
 {
-  while (table_name || m_ndb.usingFullyQualifiedNames())
+  if (table_name == 0)
   {
-    const BaseString internal_indexname(
-      (table_name)
-      ?
-      m_ndb.internalize_index_name(getTable(table_name), index_name)
-      :
-      m_ndb.internalize_table_name(index_name)); // Index is also a table
-
-    if (internal_indexname.length())
-    {
-      Ndb_local_table_info *info= m_localHash.get(internal_indexname.c_str());
-      NdbTableImpl *tab;
-      if (info == 0)
-      {
-        tab= fetchGlobalTableImplRef(InitIndex(this, internal_indexname,
-                                               index_name));
-        if (tab)
-        {
-          info= Ndb_local_table_info::create(tab, 0);
-          if (info)
-            m_localHash.put(internal_indexname.c_str(), info);
-          else
-            break;
-        }
-        else
-          break;
-      }
-      else
-        tab= info->m_table_impl;
-      return tab->m_index;
-    }
-    break;
+    assert(0);
+    m_error.code= 4243;
+    return 0;
+  }
+  
+  
+  NdbTableImpl* prim = getTable(table_name);
+  if (prim == 0)
+  {
+    m_error.code= 4243;
+    return 0;
   }
 
+  return getIndex(index_name, *prim);
+}
+
+inline
+NdbIndexImpl * 
+NdbDictionaryImpl::getIndex(const char* index_name,
+			    const NdbTableImpl& prim)
+{
+
+  const BaseString
+    internal_indexname(m_ndb.internalize_index_name(&prim, index_name));
+
+  Ndb_local_table_info *info= m_localHash.get(internal_indexname.c_str());
+  NdbTableImpl *tab;
+  if (info == 0)
+  {
+    tab= fetchGlobalTableImplRef(InitIndex(internal_indexname,
+					   index_name,
+					   prim));
+    if (!tab)
+      goto err;
+
+    info= Ndb_local_table_info::create(tab, 0);
+    if (!info)
+      goto err;
+    m_localHash.put(internal_indexname.c_str(), info);
+  }
+  else
+    tab= info->m_table_impl;
+  
+  return tab->m_index;
+  
+err:
   m_error.code= 4243;
   return 0;
 }
diff --git a/storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp b/storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp
index 628ad5d925f..a5fbd84e5b0 100644
--- a/storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp
+++ b/storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp
@@ -153,11 +153,14 @@ NdbEventOperationImpl::init(NdbEventImpl& evnt)
 
   m_state= EO_CREATED;
 
+  m_node_bit_mask.clear();
 #ifdef ndb_event_stores_merge_events_flag
   m_mergeEvents = m_eventImpl->m_mergeEvents;
 #else
-   m_mergeEvents = false;
+  m_mergeEvents = false;
 #endif
+  m_ref_count = 0;
+  DBUG_PRINT("info", ("m_ref_count = 0 for op: %p", this));
 
   m_has_error= 0;
 
@@ -530,7 +533,11 @@ NdbEventOperationImpl::execute_nolock()
       }
     }
     if (r == 0)
+    {
+      m_ref_count++;
+      DBUG_PRINT("info", ("m_ref_count: %u for op: %p", m_ref_count, this));
       DBUG_RETURN(0);
+    }
   }
   //Error
   m_state= EO_ERROR;
@@ -657,80 +664,79 @@ NdbEventOperationImpl::execSUB_TABLE_DATA(NdbApiSignal * signal,
 int
 NdbEventOperationImpl::receive_event()
 {
-  DBUG_ENTER_EVENT("NdbEventOperationImpl::receive_event");
-
   Uint32 operation= (Uint32)m_data_item->sdata->operation;
-  DBUG_PRINT_EVENT("info",("sdata->operation %u",operation));
-
-  if (operation == NdbDictionary::Event::_TE_ALTER)
-  {
-    // Parse the new table definition and
-    // create a table object
-    NdbDictionary::Dictionary *myDict = m_ndb->getDictionary();
-    NdbDictionaryImpl *dict = & NdbDictionaryImpl::getImpl(*myDict);
-    NdbError error;
-    NdbDictInterface dif(error);
-    NdbTableImpl *at;
-    m_change_mask = m_data_item->sdata->changeMask;
-    error.code = dif.parseTableInfo(&at,
-                                    (Uint32*)m_buffer.get_data(), 
-                                    m_buffer.length() / 4, 
-                                    true);
-    m_buffer.clear();
-    if (at)
-      at->buildColumnHash();
-    else
-    {
-      DBUG_PRINT_EVENT("info", ("Failed to parse DictTabInfo error %u", 
-                                error.code));
-      DBUG_RETURN_EVENT(1);
-    }
-
-    NdbTableImpl *tmp_table_impl= m_eventImpl->m_tableImpl;
-    m_eventImpl->m_tableImpl = at;
-
-    DBUG_PRINT("info", ("switching table impl 0x%x -> 0x%x",
-                        tmp_table_impl, at));
-
-    // change the rec attrs to refer to the new table object
-    int i;
-    for (i = 0; i < 2; i++)
-    {
-      NdbRecAttr *p = theFirstPkAttrs[i];
-      while (p)
-      {
-        int no = p->getColumn()->getColumnNo();
-        NdbColumnImpl *tAttrInfo = at->getColumn(no);
-        DBUG_PRINT("info", ("rec_attr: 0x%x  "
-                            "switching column impl 0x%x -> 0x%x",
-                            p, p->m_column, tAttrInfo));
-        p->m_column = tAttrInfo;
-        p = p->next();
-      }
-    }
-    for (i = 0; i < 2; i++)
-    {
-      NdbRecAttr *p = theFirstDataAttrs[i];
-      while (p)
-      {
-        int no = p->getColumn()->getColumnNo();
-        NdbColumnImpl *tAttrInfo = at->getColumn(no);
-        DBUG_PRINT("info", ("rec_attr: 0x%x  "
-                            "switching column impl 0x%x -> 0x%x",
-                            p, p->m_column, tAttrInfo));
-        p->m_column = tAttrInfo;
-        p = p->next();
-      }
-    }
-    if (tmp_table_impl) 
-      delete tmp_table_impl;
-  }
-
   if (unlikely(operation >= NdbDictionary::Event::_TE_FIRST_NON_DATA_EVENT))
   {
-    DBUG_RETURN_EVENT(1);
+    DBUG_ENTER("NdbEventOperationImpl::receive_event");
+    DBUG_PRINT("info",("sdata->operation %u  this: %p", operation, this));
+    if (operation == NdbDictionary::Event::_TE_ALTER)
+    {
+      // Parse the new table definition and
+      // create a table object
+      NdbDictionary::Dictionary *myDict = m_ndb->getDictionary();
+      NdbDictionaryImpl *dict = & NdbDictionaryImpl::getImpl(*myDict);
+      NdbError error;
+      NdbDictInterface dif(error);
+      NdbTableImpl *at;
+      m_change_mask = m_data_item->sdata->changeMask;
+      error.code = dif.parseTableInfo(&at,
+                                      (Uint32*)m_buffer.get_data(), 
+                                      m_buffer.length() / 4, 
+                                      true);
+      m_buffer.clear();
+      if (unlikely(!at))
+      {
+        DBUG_PRINT("info", ("Failed to parse DictTabInfo error %u", 
+                                  error.code));
+        ndbout_c("Failed to parse DictTabInfo error %u", error.code);
+        DBUG_RETURN(1);
+      }
+      at->buildColumnHash();
+      
+      NdbTableImpl *tmp_table_impl= m_eventImpl->m_tableImpl;
+      m_eventImpl->m_tableImpl = at;
+      
+      DBUG_PRINT("info", ("switching table impl 0x%x -> 0x%x",
+                          tmp_table_impl, at));
+      
+      // change the rec attrs to refer to the new table object
+      int i;
+      for (i = 0; i < 2; i++)
+      {
+        NdbRecAttr *p = theFirstPkAttrs[i];
+        while (p)
+        {
+          int no = p->getColumn()->getColumnNo();
+          NdbColumnImpl *tAttrInfo = at->getColumn(no);
+          DBUG_PRINT("info", ("rec_attr: 0x%x  "
+                              "switching column impl 0x%x -> 0x%x",
+                              p, p->m_column, tAttrInfo));
+          p->m_column = tAttrInfo;
+          p = p->next();
+        }
+      }
+      for (i = 0; i < 2; i++)
+      {
+        NdbRecAttr *p = theFirstDataAttrs[i];
+        while (p)
+        {
+          int no = p->getColumn()->getColumnNo();
+          NdbColumnImpl *tAttrInfo = at->getColumn(no);
+          DBUG_PRINT("info", ("rec_attr: 0x%x  "
+                              "switching column impl 0x%x -> 0x%x",
+                              p, p->m_column, tAttrInfo));
+          p->m_column = tAttrInfo;
+          p = p->next();
+        }
+      }
+      if (tmp_table_impl) 
+        delete tmp_table_impl;
+    }
+    DBUG_RETURN(1);
   }
 
+  DBUG_ENTER_EVENT("NdbEventOperationImpl::receive_event");
+  DBUG_PRINT_EVENT("info",("sdata->operation %u  this: %p", operation, this));
   // now move the data into the RecAttrs
     
   int is_update= operation == NdbDictionary::Event::_TE_UPDATE;
@@ -1089,6 +1095,33 @@ NdbEventBuffer::pollEvents(int aMillisecondNumber, Uint64 *latestGCI)
   return ret;
 }
 
+int
+NdbEventBuffer::flushIncompleteEvents(Uint64 gci)
+{
+  /**
+   *  Find min complete gci
+   */
+  Uint32 i;
+  Uint32 sz= m_active_gci.size();
+  Gci_container* array = (Gci_container*)m_active_gci.getBase();
+  for(i = 0; i < sz; i++)
+  {
+    Gci_container* tmp = array + i;
+    if (tmp->m_gci && tmp->m_gci < gci)
+    {
+      // we have found an old not-completed gci, remove it
+      ndbout_c("ndb: flushing incomplete epoch %lld (<%lld)", tmp->m_gci, gci);
+      if(!tmp->m_data.is_empty())
+      {
+        free_list(tmp->m_data);
+      }
+      tmp->~Gci_container();
+      bzero(tmp, sizeof(Gci_container));
+    }
+  }
+  return 0;
+}
+
 NdbEventOperation *
 NdbEventBuffer::nextEvent()
 {
@@ -1157,7 +1190,10 @@ NdbEventBuffer::nextEvent()
         }
         EventBufData_list::Gci_ops *gci_ops = m_available_data.first_gci_ops();
         while (gci_ops && op->getGCI() > gci_ops->m_gci)
+        {
+          deleteUsedEventOperations();
           gci_ops = m_available_data.next_gci_ops();
+        }
         assert(gci_ops && (op->getGCI() == gci_ops->m_gci));
 	DBUG_RETURN_EVENT(op->m_facade);
       }
@@ -1177,7 +1213,10 @@ NdbEventBuffer::nextEvent()
   // free all "per gci unique" collected operations
   EventBufData_list::Gci_ops *gci_ops = m_available_data.first_gci_ops();
   while (gci_ops)
+  {
+    deleteUsedEventOperations();
     gci_ops = m_available_data.next_gci_ops();
+  }
   DBUG_RETURN_EVENT(0);
 }
 
@@ -1191,31 +1230,37 @@ NdbEventBuffer::getGCIEventOperations(Uint32* iter, Uint32* event_types)
     EventBufData_list::Gci_op g = gci_ops->m_gci_op_list[(*iter)++];
     if (event_types != NULL)
       *event_types = g.event_types;
-    DBUG_PRINT("info", ("gci: %d", (unsigned)gci_ops->m_gci));
+    DBUG_PRINT("info", ("gci: %d  g.op: %x  g.event_types: %x",
+                        (unsigned)gci_ops->m_gci, g.op, g.event_types));
     DBUG_RETURN(g.op);
   }
   DBUG_RETURN(NULL);
 }
 
 void
-NdbEventBuffer::lock()
+NdbEventBuffer::deleteUsedEventOperations()
 {
-  NdbMutex_Lock(m_mutex);
-}
-void
-NdbEventBuffer::unlock()
-{
-  NdbMutex_Unlock(m_mutex);
-}
-void
-NdbEventBuffer::add_drop_lock()
-{
-  NdbMutex_Lock(p_add_drop_mutex);
-}
-void
-NdbEventBuffer::add_drop_unlock()
-{
-  NdbMutex_Unlock(p_add_drop_mutex);
+  Uint32 iter= 0;
+  const NdbEventOperation *op_f;
+  while ((op_f= getGCIEventOperations(&iter, NULL)) != NULL)
+  {
+    NdbEventOperationImpl *op = &op_f->m_impl;
+    DBUG_ASSERT(op->m_ref_count > 0);
+    op->m_ref_count--;
+    DBUG_PRINT("info", ("m_ref_count: %u for op: %p", op->m_ref_count, op));
+    if (op->m_ref_count == 0)
+    {
+      DBUG_PRINT("info", ("deleting op: %p", op));
+      DBUG_ASSERT(op->m_node_bit_mask.isclear());
+      if (op->m_next)
+        op->m_next->m_prev = op->m_prev;
+      if (op->m_prev)
+        op->m_prev->m_next = op->m_next;
+      else
+        m_dropped_ev_op = op->m_next;
+      delete op->m_facade;
+    }
+  }
 }
 
 static
@@ -1469,6 +1514,10 @@ NdbEventBuffer::complete_outof_order_gcis()
 void
 NdbEventBuffer::report_node_failure(Uint32 node_id)
 {
+  NdbEventOperation* op= m_ndb->getEventOperation(0);
+  if (op == 0)
+    return;
+
   DBUG_ENTER("NdbEventBuffer::report_node_failure");
   SubTableData data;
   LinearSectionPtr ptr[3];
@@ -1484,12 +1533,20 @@ NdbEventBuffer::report_node_failure(Uint32 node_id)
   /**
    * Insert this event for each operation
    */
-  NdbEventOperation* op= 0;
-  while((op = m_ndb->getEventOperation(op)))
   {
-    NdbEventOperationImpl* impl= &op->m_impl;
-    data.senderData = impl->m_oid;
-    insertDataL(impl, &data, ptr); 
+    // no need to lock()/unlock(), receive thread calls this
+    NdbEventOperationImpl* impl = &op->m_impl;
+    do if (!impl->m_node_bit_mask.isclear())
+    {
+      data.senderData = impl->m_oid;
+      insertDataL(impl, &data, ptr);
+    } while((impl = impl->m_next));
+    for (impl = m_dropped_ev_op; impl; impl = impl->m_next)
+      if (!impl->m_node_bit_mask.isclear())
+      {
+        data.senderData = impl->m_oid;
+        insertDataL(impl, &data, ptr);
+      }
   }
   DBUG_VOID_RETURN;
 }
@@ -1515,12 +1572,21 @@ NdbEventBuffer::completeClusterFailed()
   /**
    * Insert this event for each operation
    */
-  do
   {
-    NdbEventOperationImpl* impl= &op->m_impl;
-    data.senderData = impl->m_oid;
-    insertDataL(impl, &data, ptr);
-  } while((op = m_ndb->getEventOperation(op)));
+    // no need to lock()/unlock(), receive thread calls this
+    NdbEventOperationImpl* impl = &op->m_impl;
+    do if (!impl->m_node_bit_mask.isclear())
+    {
+      data.senderData = impl->m_oid;
+      insertDataL(impl, &data, ptr);
+    } while((impl = impl->m_next));
+    for (impl = m_dropped_ev_op; impl; impl = impl->m_next)
+      if (!impl->m_node_bit_mask.isclear())
+      {
+        data.senderData = impl->m_oid;
+        insertDataL(impl, &data, ptr);
+      }
+  }
   
   /**
    *  Release all GCI's with m_gci > gci
@@ -1565,7 +1631,11 @@ NdbEventBuffer::completeClusterFailed()
     }
   }
 
-  assert(bucket != 0);
+  if (bucket == 0)
+  {
+    // no bucket to complete
+    DBUG_VOID_RETURN;
+  }
 
   const Uint32 cnt= bucket->m_gcp_complete_rep_count = 1; 
   bucket->m_gci = gci;
@@ -1595,6 +1665,40 @@ NdbEventBuffer::insertDataL(NdbEventOperationImpl *op,
 {
   DBUG_ENTER_EVENT("NdbEventBuffer::insertDataL");
   Uint64 gci= sdata->gci;
+  const bool is_data_event =
+    sdata->operation < NdbDictionary::Event::_TE_FIRST_NON_DATA_EVENT;
+
+  if (!is_data_event)
+  {
+    switch (sdata->operation)
+    {
+    case NdbDictionary::Event::_TE_NODE_FAILURE:
+      op->m_node_bit_mask.clear(sdata->ndbd_nodeid);
+      break;
+    case NdbDictionary::Event::_TE_ACTIVE:
+      op->m_node_bit_mask.set(sdata->ndbd_nodeid);
+      // internal event, do not relay to user
+      DBUG_RETURN_EVENT(0);
+      break;
+    case NdbDictionary::Event::_TE_CLUSTER_FAILURE:
+      op->m_node_bit_mask.clear();
+      DBUG_ASSERT(op->m_ref_count > 0);
+      op->m_ref_count--;
+      DBUG_PRINT("info", ("m_ref_count: %u for op: %p", op->m_ref_count, op));
+      break;
+    case NdbDictionary::Event::_TE_STOP:
+      op->m_node_bit_mask.clear(sdata->ndbd_nodeid);
+      if (op->m_node_bit_mask.isclear())
+      {
+        DBUG_ASSERT(op->m_ref_count > 0);
+        op->m_ref_count--;
+        DBUG_PRINT("info", ("m_ref_count: %u for op: %p", op->m_ref_count, op));
+      }
+      break;
+    default:
+      break;
+    }
+  }
 
   if ( likely((Uint32)op->mi_type & (1 << (Uint32)sdata->operation)) )
   {
@@ -1615,8 +1719,6 @@ NdbEventBuffer::insertDataL(NdbEventOperationImpl *op,
     }
     
     const bool is_blob_event = (op->theMainOp != NULL);
-    const bool is_data_event =
-      sdata->operation < NdbDictionary::Event::_TE_FIRST_NON_DATA_EVENT;
     const bool use_hash =  op->m_mergeEvents && is_data_event;
 
     if (! is_data_event && is_blob_event)
@@ -2244,6 +2346,8 @@ void EventBufData_list::append_list(EventBufData_list *list, Uint64 gci)
 void
 EventBufData_list::add_gci_op(Gci_op g, bool del)
 {
+  DBUG_ENTER_EVENT("EventBufData_list::add_gci_op");
+  DBUG_PRINT_EVENT("info", ("p.op: %p  g.event_types: %x", g.op, g.event_types));
   assert(g.op != NULL);
   Uint32 i;
   for (i = 0; i < m_gci_op_count; i++) {
@@ -2273,8 +2377,15 @@ EventBufData_list::add_gci_op(Gci_op g, bool del)
     }
     assert(m_gci_op_count < m_gci_op_alloc);
     assert(! del);
+#ifndef DBUG_OFF
+    i = m_gci_op_count;
+#endif
+    g.op->m_ref_count++;
+    DBUG_PRINT("info", ("m_ref_count: %u for op: %p", g.op->m_ref_count, g.op));
     m_gci_op_list[m_gci_op_count++] = g;
   }
+  DBUG_PRINT_EVENT("exit", ("m_gci_op_list[%u].event_types: %x", i, m_gci_op_list[i].event_types));
+  DBUG_VOID_RETURN_EVENT;
 }
 
 void
@@ -2337,6 +2448,9 @@ NdbEventBuffer::createEventOperation(const char* eventName,
     delete tOp;
     DBUG_RETURN(NULL);
   }
+  getEventOperationImpl(tOp)->m_ref_count = 1;
+  DBUG_PRINT("info", ("m_ref_count: %u for op: %p",
+                      getEventOperationImpl(tOp)->m_ref_count, getEventOperationImpl(tOp)));
   DBUG_RETURN(tOp);
 }
 
@@ -2362,16 +2476,10 @@ NdbEventBuffer::createEventOperation(NdbEventImpl& evnt,
 void
 NdbEventBuffer::dropEventOperation(NdbEventOperation* tOp)
 {
+  DBUG_ENTER("NdbEventBuffer::dropEventOperation");
   NdbEventOperationImpl* op= getEventOperationImpl(tOp);
 
   op->stop();
-
-  op->m_next= m_dropped_ev_op;
-  op->m_prev= 0;
-  if (m_dropped_ev_op)
-    m_dropped_ev_op->m_prev= op;
-  m_dropped_ev_op= op;
- 
   // stop blob event ops
   if (op->theMainOp == NULL)
   {
@@ -2391,11 +2499,24 @@ NdbEventBuffer::dropEventOperation(NdbEventOperation* tOp)
     }
   }
 
-  // ToDo, take care of these to be deleted at the
-  // appropriate time, after we are sure that there
-  // are _no_ more events coming
-
-  //  delete tOp;
+  DBUG_ASSERT(op->m_ref_count > 0);
+  op->m_ref_count--;
+  DBUG_PRINT("info", ("m_ref_count: %u for op: %p", op->m_ref_count, op));
+  if (op->m_ref_count == 0)
+  {
+    DBUG_PRINT("info", ("deleting op: %p", op));
+    DBUG_ASSERT(op->m_node_bit_mask.isclear());
+    delete op->m_facade;
+  }
+  else
+  {
+    op->m_next= m_dropped_ev_op;
+    op->m_prev= 0;
+    if (m_dropped_ev_op)
+      m_dropped_ev_op->m_prev= op;
+    m_dropped_ev_op= op;
+  }
+  DBUG_VOID_RETURN;
 }
 
 void
diff --git a/storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp b/storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp
index 70b3ce6b8de..bcae650bf44 100644
--- a/storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp
+++ b/storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp
@@ -367,6 +367,8 @@ public:
   Uint32 m_eventId;
   Uint32 m_oid;
 
+  Bitmask<(unsigned int)_NDB_NODE_BITMASK_SIZE> m_node_bit_mask;
+  int m_ref_count;
   bool m_mergeEvents;
   
   EventBufData *m_data_item;
@@ -406,10 +408,10 @@ public:
   void dropEventOperation(NdbEventOperation *);
   static NdbEventOperationImpl* getEventOperationImpl(NdbEventOperation* tOp);
 
-  void add_drop_lock();
-  void add_drop_unlock();
-  void lock();
-  void unlock();
+  void add_drop_lock() { NdbMutex_Lock(p_add_drop_mutex); }
+  void add_drop_unlock() { NdbMutex_Unlock(p_add_drop_mutex); }
+  void lock() { NdbMutex_Lock(m_mutex); }
+  void unlock() { NdbMutex_Unlock(m_mutex); }
 
   void add_op();
   void remove_op();
@@ -430,9 +432,11 @@ public:
   Uint32 getEventId(int bufferId);
 
   int pollEvents(int aMillisecondNumber, Uint64 *latestGCI= 0);
+  int flushIncompleteEvents(Uint64 gci);
   NdbEventOperation *nextEvent();
   NdbEventOperationImpl* getGCIEventOperations(Uint32* iter,
                                                Uint32* event_types);
+  void deleteUsedEventOperations();
 
   NdbEventOperationImpl *move_data();