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22.5.10.39 The ndbinfo table_replicas Table
The table_replicas
table provides information
about the copying, distribution, and checkpointing of
NDB
table fragments and fragment replicas.
The following table provides information about the columns in
table_replicas
. For each column, the table
shows the name, data type, and a brief description.
Table 22.415 Columns of the table_replicas table
Column Name | Type | Description |
---|---|---|
node_id |
integer | ID of the node from which data is fetched (DIH
master) |
table_id |
integer | Table ID |
fragment_id |
integer | Fragment ID |
initial_gci |
integer | Initial GCI for table |
replica_node_id |
integer | ID of node where replica is stored |
is_lcp_ongoing |
integer | Is 1 if LCP is ongoing on this fragment, 0 otherwise |
num_crashed_replicas |
integer | Number of crashed replica instances |
last_max_gci_started |
integer | Highest GCI started in most recent LCP |
last_max_gci_completed |
integer | Highest GCI completed in most recent LCP |
last_lcp_id |
integer | ID of most recent LCP |
prev_lcp_id |
integer | ID of previous LCP |
prev_max_gci_started |
integer | Highest GCI started in previous LCP |
prev_max_gci_completed |
integer | Highest GCI completed in previous LCP |
last_create_gci |
integer | Last Create GCI of last crashed replica instance |
last_replica_gci |
integer | Last GCI of last crashed replica instance |
is_replica_alive |
integer | 1 if this replica is alive, 0 otherwise |
Document created the 26/06/2006, last modified the 26/10/2018
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