SUMMARY_FILE_REDO_IOSTAT
SUMMARY_FILE_REDO_IOSTAT records statistics about all redo logs and WALs in openGauss.
Table 1 SUMMARY_FILE_REDO_IOSTAT columns
Name | Type | Description |
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phywrts | numeric | Number of times writing into the WAL buffer |
phyblkwrt | numeric | Number of blocks written into the WAL buffer |
writetim | numeric | 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 2025-04-30 22:43:40