The _ActIOType VST displays information about types of input/output activity, such as database reads and writes, before-image and after-image reads, total reads, before-image and after-image writes, committed transactions, and database up time.1

Field name Data type Description
_IOType-AiRds INT64 Number of AI read operations
_IOType-AiWrts INT64 Number of AI write operations
_IOType-BiRds INT64 Number of BI read operations
_IOType-BiWrts INT64 Number of BI write operations
_IOType-DataReads INT64 Number of reads of data blocks
_IOType-DataWrts INT64 Number of writes to data blocks
_IOType-IdxRds INT64 Number of reads of index blocks
_IOType-IdxWrts INT64 Number of writes to index blocks
_IOType-Trans INT64 Number of transactions committed
_IOType-UpTime INTEGER Number of seconds the database was up