The table_replicas  table provides information about the copying, distribution, and checkpointing of NDB  table fragments and fragment replicas. 

The table_replicas  table contains the following columns: 

• node_id 

ID of the node from which data is fetched ( DIH  master) 

• table_id 

Table ID 

• fragment_id 

Fragment ID 

• initial_gci 

Initial GCI for table 

• replica_node_id 

ID of node where fragment replica is stored 

• is_lcp_ongoing 

Is 1 if LCP is ongoing on this fragment, 0 otherwise 

• num_crashed_replicas 

Number of crashed fragment replica instances 

• last_max_gci_started 

Highest GCI started in most recent LCP 

• last_max_gci_completed 

Highest GCI completed in most recent LCP 

• last_lcp_id 

ID of most recent LCP 

• prev_lcp_id 

ID of previous LCP 

• prev_max_gci_started 

Highest GCI started in previous LCP 

• prev_max_gci_completed 

Highest GCI completed in previous LCP 

• last_create_gci 

Last Create GCI of last crashed fragment replica instance 

