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v1.1

Documentation:v1.1

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FILE_REDO_IOSTAT

FILE_REDO_IOSTAT records statistics about redo logs (WALs) on the current node.

Table 1 FILE_REDO_IOSTAT columns

Name Type Description
phywrts bigint Number of times writing into the WAL buffer
phyblkwrt bigint Number of blocks written into the WAL buffer
writetim bigint Duration of writing into XLOG files (unit: μs)
avgiotim bigint Average duration of writing into XLOG files (unit: μs). avgiotim = writetim/phywrts
lstiotim bigint Duration of the last writing into XLOG files (unit: μs)
miniotim bigint Minimum duration of writing into XLOG files (unit: μs)
maxiowtm bigint Maximum duration of writing into XLOG files (unit: μs)
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