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: 

• fq_name 

Name of this fragment 

• parent_fq_name 

Name of this fragment’s parent 

• type 

Type of object; see text for possible values 

• table_id 

Table ID for this table 

• node_id 

Node ID for this node 

• block_instance 

Kernel block instance ID 

• fragment_num 

Fragment ID (number) 

• tot_key_reads 

Total number of key reads for this fragment replica 

• tot_key_inserts 

Total number of key inserts for this fragment replica 

• tot_key_updates 

total number of key updates for this fragment replica 

• tot_key_writes 

Total number of key writes for this fragment replica 

• tot_key_deletes 

Total number of key deletes for this fragment replica 

• tot_key_refs 

Number of key operations refused 

• tot_key_attrinfo_bytes 

Total size of all attrinfo  attributes 

