PGXC_REDO_STAT
PGXC_REDO_STAT displays statistics on redoing Xlogs of each node in the cluster. All columns except node_name are the same as those in the PV_REDO_STAT view. Only the system administrator or the preset role gs_role_read_all_stats can access this view.
Name |
Type |
Description |
---|---|---|
node_name |
text |
Node name |
phywrts |
bigint |
Number of physical writes |
phyblkwrt |
bigint |
Number of physical blocks written |
writetim |
bigint |
Time taken for physical writes |
avgiotim |
bigint |
Average time taken per write |
lstiotim |
bigint |
Time taken for the last write |
miniotim |
bigint |
Minimum time taken for a write |
maxiowtm |
bigint |
Maximum time taken for a write |
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