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# All three ndb-plugins should be ENABLED
SELECT RPAD(PLUGIN_NAME, 33, ' ') 'PLUGIN_NAME ',
LOAD_OPTION, PLUGIN_STATUS, PLUGIN_TYPE
FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME LIKE 'ndb%'
ORDER BY PLUGIN_NAME;
PLUGIN_NAME LOAD_OPTION PLUGIN_STATUS PLUGIN_TYPE
ndbcluster ON ACTIVE STORAGE ENGINE
ndbinfo ON ACTIVE STORAGE ENGINE
ndb_transid_mysql_connection_map ON ACTIVE INFORMATION SCHEMA
# Both ndb-engines should be enabled (SUPPORT YES)
SELECT RPAD(ENGINE, 10, ' ') 'ENGINE ', SUPPORT
FROM INFORMATION_SCHEMA.ENGINES WHERE ENGINE LIKE 'ndb%' ORDER BY ENGINE;
ENGINE SUPPORT
ndbcluster YES
ndbinfo YES
# ndb schemas
SELECT DISTINCT TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA LIKE 'ndb%' ORDER BY TABLE_SCHEMA;
TABLE_SCHEMA
ndbinfo
# ndb tables
SELECT TABLE_SCHEMA, TABLE_NAME, TABLE_TYPE, ENGINE
FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME LIKE 'ndb%'
ORDER BY TABLE_SCHEMA, TABLE_NAME;
TABLE_SCHEMA TABLE_NAME TABLE_TYPE ENGINE
information_schema ndb_transid_mysql_connection_map SYSTEM VIEW NULL
mysql ndb_apply_status BASE TABLE ndbcluster
mysql ndb_binlog_index BASE TABLE InnoDB
performance_schema ndb_sync_excluded_objects BASE TABLE PERFORMANCE_SCHEMA
performance_schema ndb_sync_pending_objects BASE TABLE PERFORMANCE_SCHEMA
# There should be many ndb variables
SELECT COUNT(*) >= 69 FROM performance_schema.session_variables
WHERE variable_name LIKE 'ndb%';
COUNT(*) >= 69
1
MYSQLD --help --verbose # ALL OFF
output_line
ndb-transid-mysql-connection-map OFF
ndbcluster OFF
ndbinfo OFF
MYSQLD --ndbcluster=0 --ndbinfo --help --verbose # ALL OFF
output_line
ndb-transid-mysql-connection-map OFF
ndbcluster OFF
ndbinfo OFF
MYSQLD --ndbcluster --help --verbose # ALL ON
output_line
ndb-transid-mysql-connection-map ON
ndbcluster ON
ndbinfo ON
MYSQLD --ndbcluster=1 --ndbinfo=0 --help --verbose # ndbinfo OFF
output_line
ndb-transid-mysql-connection-map ON
ndbcluster ON
ndbinfo OFF
MYSQLD --ndbcluster=1 --ndb-transid-mysql-connection-map=0 --help
--verbose # ndb-transid-mysql-connection-map OFF
output_line
ndb-transid-mysql-connection-map OFF
ndbcluster ON
ndbinfo ON
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