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 |
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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) |
openGauss 2025-02-07 22:53:16