Struct FileManagerIoStats 

pub struct FileManagerIoStats {
    pub n_file_opens: u64,
    pub n_sequential_reads: u64,
    pub n_sequential_read_bytes: u64,
    pub n_sequential_writes: u64,
    pub n_sequential_write_bytes: u64,
    pub n_random_reads: u64,
    pub n_random_read_bytes: u64,
}

Snapshot of FileManager I/O statistics.

FILEMGR_FILE_OPENS, FILEMGR_SEQUENTIAL_READS/WRITES, FILEMGR_RANDOM_READS etc.

Fields

n_file_opens: u64

Number of log files opened (LRU cache miss).

n_sequential_reads: u64

Number of sequential read operations (recovery scan).

n_sequential_read_bytes: u64

Total bytes read sequentially.

n_sequential_writes: u64

Number of sequential write operations.

n_sequential_write_bytes: u64

Total bytes written sequentially.

n_random_reads: u64

Number of random (point-lookup) read operations.

n_random_read_bytes: u64

Total bytes from random read operations.

Trait Implementations

impl Clone for FileManagerIoStats

fn clone(&self) -> FileManagerIoStats

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FileManagerIoStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for FileManagerIoStats

fn default() -> FileManagerIoStats

Returns the “default value” for a type.