Appendix E. Monitoring Tables - E.5 MON$IO_STATS - 《Firebird 4.0 Language Reference》

E.5 `MON$IO_STATS`

MON$IO_STATS displays input/output statistics. The counters are cumulative, by group, for each group of statistics.

Column Name	Data Type	Description
`MON$STAT_ID`	`INTEGER`	Statistics identifier
`MON$STAT_GROUP`	`SMALLINT`	Statistics group: `0` - database `1` - connection `2` - transaction `3` - statement `4` - call
`MON$PAGE_READS`	`BIGINT`	Count of database pages read
`MON$PAGE_WRITES`	`BIGINT`	Count of database pages written to
`MON$PAGE_FETCHES`	`BIGINT`	Count of database pages fetched
`MON$PAGE_MARKS`	`BIGINT`	Count of database pages marked