added test to trigger drifferent fragmentations in ndb

    corrected documentation on fragmentation
    set "fragmentation medium" to mean 2 fragments per node instead of 1
    set default fragmentation to small instead of medium
    bug#8284 adjust fragmentation to max_rows


mysql-test/r/ndb_basic.result:
  added test to trigger drifferent fragmentations in ndb
mysql-test/t/ndb_basic.test:
  added test to trigger drifferent fragmentations in ndb
ndb/include/ndbapi/NdbDictionary.hpp:
  corrected documentation on fragmentation
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
  set "fragmentation medium" to mean 2 fragments per node instead of 1
ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  set default fragmentation to small instead of medium
sql/ha_ndbcluster.cc:
  bug#8284 adjust fragmentation to max_rows

3 files changed, 5 insertions, 5 deletions

diff --git a/ndb/include/ndbapi/NdbDictionary.hpp b/ndb/include/ndbapi/NdbDictionary.hpp
index 0dca1c0f106..49afbd695c9 100644
--- a/ndb/include/ndbapi/NdbDictionary.hpp
+++ b/ndb/include/ndbapi/NdbDictionary.hpp
@@ -141,9 +141,9 @@ public:
     enum FragmentType { 
       FragUndefined = 0,      ///< Fragmentation type undefined or default
       FragSingle = 1,         ///< Only one fragment
-      FragAllSmall = 2,       ///< One fragment per node group
-      FragAllMedium = 3,      ///< Default value. Two fragments per node group.
-      FragAllLarge = 4        ///< Eight fragments per node group.
+      FragAllSmall = 2,       ///< One fragment per node, default
+      FragAllMedium = 3,      ///< two fragments per node
+      FragAllLarge = 4        ///< Four fragments per node.
     };
   };
 
diff --git a/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp b/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
index dba1efbba9a..0bc8351a9db 100644
--- a/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
+++ b/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
@@ -6178,7 +6178,7 @@ void Dbdih::execCREATE_FRAGMENTATION_REQ(Signal * signal){
       break;
     case DictTabInfo::AllNodesMediumTable:
       jam();
-      noOfFragments = csystemnodes;
+      noOfFragments = 2 * csystemnodes;
       break;
     case DictTabInfo::AllNodesLargeTable:
       jam();
diff --git a/ndb/src/ndbapi/NdbDictionaryImpl.cpp b/ndb/src/ndbapi/NdbDictionaryImpl.cpp
index 9f6ed144fb0..530f15d3a2e 100644
--- a/ndb/src/ndbapi/NdbDictionaryImpl.cpp
+++ b/ndb/src/ndbapi/NdbDictionaryImpl.cpp
@@ -284,7 +284,7 @@ void
 NdbTableImpl::init(){
   clearNewProperties();
   m_frm.clear();
-  m_fragmentType = NdbDictionary::Object::FragAllMedium;
+  m_fragmentType = NdbDictionary::Object::FragAllSmall;
   m_logging = true;
   m_kvalue = 6;
   m_minLoadFactor = 78;