MySQL 5.7 Reference Manual Including MySQL NDB Cluster 7.5 and NDB Cluster 7.6
The table_distribution_status table provides
information about the progress of table distribution for
NDB tables.
The table_distribution_status table contains
the following columns:
node_id
Node id
table_id
Table ID
tab_copy_status
Status of copying of table distribution data to disk; one of
IDLE,
SR_PHASE1_READ_PAGES,
SR_PHASE2_READ_TABLE,
SR_PHASE3_COPY_TABLE,
REMOVE_NODE,
LCP_READ_TABLE,
COPY_TAB_REQ,
COPY_NODE_STATE,
ADD_TABLE_MASTER,
ADD_TABLE_SLAVE,
INVALIDATE_NODE_LCP,
ALTER_TABLE,
COPY_TO_SAVE, or
GET_TABINFO
tab_update_status
Status of updating of table distribution data; one of
IDLE,
LOCAL_CHECKPOINT,
LOCAL_CHECKPOINT_QUEUED,
REMOVE_NODE,
COPY_TAB_REQ,
ADD_TABLE_MASTER,
ADD_TABLE_SLAVE,
INVALIDATE_NODE_LCP, or
CALLBACK
tab_lcp_status
Status of table LCP; one of ACTIVE
(waiting for local checkpoint to be performed),
WRITING_TO_FILE (checkpoint performed but
not yet written to disk), or COMPLETED
(checkpoint performed and persisted to disk)
tab_status
Table internal status; one of ACTIVE
(table exists), CREATING (table is being
created), or DROPPING (table is being
dropped)
tab_storage
Table recoverability; one of NORMAL
(fully recoverable with redo logging and checkpointing),
NOLOGGING (recoverable from node crash,
empty following cluster crash), or
TEMPORARY (not recoverable)
tab_partitions
Number of partitions in table
tab_fragments
Number of fragments in table; normally same as
tab_partitions; for fully replicated
tables equal to tab_partitions * [number of node
groups]
current_scan_count
Current number of active scans
scan_count_wait
Current number of scans waiting to be performed before
ALTER TABLE can complete.
is_reorg_ongoing
Whether table is currently being reorganized (1 if true)
The table_distribution_status table was added
in NDB 7.5.4.