ndbinfo: The NDB Cluster Information Database The  operations_per_fragment  table provides information about the operations performed on individual fragments and fragment replicas, as well as about some of the results from these operations. The  operations_per_fragment  table contains the following columns: Name of this fragment Name of this fragment’s parent Type of object; see text for possible values Table ID for this table Node ID for this node Kernel block instance ID Fragment ID (number) Total number of key reads for this fragment replica Total number of key inserts for this fragment replica total number of key updates for this fragment replica Total number of key writes for this fragment replica Total number of key deletes for this fragment replica Number of key operations refused Total size of all  attrinfo  attributes 4568 • tot_key_attrinfo_bytes • tot_key_refs • tot_key_deletes • tot_key_writes • tot_key_updates • tot_key_inserts • tot_key_reads • fq_name • type • parent_fq_name • table_id • node_id • block_instance • fragment_num