Input/output activity (_ActIOFile)
- Last Updated: February 11, 2026
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- Version 13.0
- Documentation
Input/output activity (_ActIOFile)
The _ActIOFile VST displays information about input/output activity, including the number of reads, writes, and extends for each file.1
| Field name | Data type | Description |
|---|---|---|
| _IOFile-BufReads | INT64 | Number of buffered read operations performed on the file |
| _IOFile-BufWrites | INT64 | Number of buffered write operations performed on the file |
| _IOFile-Extends | INT64 | Number of extend operations performed on the file |
| _IOFile-FileName | CHARACTER | Name of the file upon which operations are performed |
| _IOFile-Reads | INT64 | Number of read operations performed on the file |
| _IOFile-Trans | INT64 | Number of transactions committed |
| _IOFile-UbufReads | INT64 | Number of unbuffered read operations performed on the file |
| _IOFile-UbufWrites | INT64 | Number of unbuffered write operations performed on the file |
| _IOFile-UpTime | INTEGER | Number of seconds the database was up |
| _IOFile-Writes | INT64 | Number of write operations performed on the file |