CREATE NODEGROUP command, 4442 data node, 3926, 4068 data nodes, 4237, 4254 defining node hosts, 4061 deployment with Auto-Installer (no longer supported), 4006 direct connections between nodes, 4225 Disk Data tables (see NDB Cluster Disk Data) DROP NODEGROUP command, 4442 ENTER SINGLE USER MODE command, 4441 ERROR Events, 4470 error logs, 4247 event log format, 4466 event logging thresholds, 4464 event logs, 4463, 4464 event severity levels, 4465 event types, 4463, 4466 execution threads, 4128 EXIT command, 4442 EXIT SINGLE USER MODE command, 4442 FAQ, 5244 fragment replicas, 3929 FULLY_REPLICATED (NDB_TABLE), 2595 GCP Stop errors, 4146 general description, 3925 HELP command, 4439 HostName parameter and security, 4602 indirect indexes, 2589 INFO Events, 4471 information sources, 3925 insecurity of communication protocols, 4601 installation, 3976 installation (Linux), 3978 installation (Windows), 3987 installing .deb file (Linux), 3985 installing binary (Windows), 3987 installing binary release (Linux), 3979 installing from source (Linux), 3986 installing from source (Windows), 3991 installing RPM (Linux), 3981 interconnects, 4236 Java clients, 3928 JSON, 2589 large tables, 2557 log files, 4247, 4254 logging commands, 4464 management client (ndb_mgm), 4268 management commands, 4472 management node, 3926, 4061 management nodes, 4255 managing, 4438 MAX_ROWS, 2557 memory usage and recovery, 3967, 4477 mgm client, 4439 5466