#### 28.4.3.15 The latest\_file\_io and x$latest\_file\_io Views

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 These views summarize file I/O activity, grouped by file and thread. By default, rows are sorted with most recent I/O first.

 The [`latest_file_io`](sys-latest-file-io.html) and [`x$latest_file_io`](sys-latest-file-io.html) views have these columns:

* `thread`

   For foreground threads, the account associated with the thread (and port number for TCP/IP connections). For background threads, the thread name and thread ID

* `file`

   The file path name.

* `latency`

   The wait time of the file I/O event.

* `operation`

   The type of operation.

* `requested`

   The number of data bytes requested for the file I/O event.

