memcached, 3352, 6167 MEMCACHED_HOME option CMake, 244 MEMCACHED_SASL_PWDB environment variable, 3365 memcapable command, 3353 memlock option mysqld, 745 memory allocation library, 199, 385 MEMORY storage engine, 3397, 3410 and replication, 3668 optimization, 1719 memory usage myisamchk, 578 memory use, 1835 in NDB Cluster, 3967 monitoring, 1838 Performance Schema, 4903 memoryusage ndbinfo table, 4563 memory_by_host_by_current_bytes view sys schema, 5153 memory_by_thread_by_current_bytes view sys schema, 5154 memory_by_user_by_current_bytes view sys schema, 5155 memory_global_by_current_bytes view sys schema, 5155 memory_global_total view sys schema, 5156 memory_per_fragment ndbinfo table, 4564 memory_summary_by_account_by_event_name table performance_schema, 5069 memory_summary_by_host_by_event_name table performance_schema, 5069 memory_summary_by_thread_by_event_name table performance_schema, 5069 memory_summary_by_user_by_event_name table performance_schema, 5069 memory_summary_global_by_event_name table performance_schema, 5069 MemReportFrequency, 4118 merge, 6167 MERGE storage engine, 3397, 3420 MERGE tables defined, 3420 merging common table expressions, 1703 derived tables, 1703 view references, 1703 merging JSON values, 2074 metadata database, 4769 database object, 1931 5435