Struct DiskIoStats 

pub struct DiskIoStats {
    pub read_bytes: u64,
    pub write_bytes: u64,
    pub cache_hits: u64,
    pub cache_misses: u64,
    pub write_buffer_bytes: usize,
    pub read_cache_bytes: usize,
    pub pool_entries: usize,
    pub prefetch_count: u64,
    pub eviction_count: u64,
    pub skeleton_count: u64,
}

Aggregate I/O statistics for a disk backend.

Fields

read_bytes: u64

Total bytes read from storage.

write_bytes: u64

Total bytes written to storage.

cache_hits: u64

Number of read requests satisfied from cache.

cache_misses: u64

Number of read requests that required disk access.

write_buffer_bytes: usize

Current size of the write buffer in bytes.

read_cache_bytes: usize

Current size of the read cache in bytes (M102).

pool_entries: usize

Total number of entries in the buffer pool (M102).

prefetch_count: u64

Number of prefetch insertions into the read cache (M102).

eviction_count: u64

Number of ARC evictions from the read cache (M102).

skeleton_count: u64

Number of Writing-to-Skeleton demotions (M102).

Trait Implementations

impl Clone for DiskIoStats

fn clone(&self) -> DiskIoStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DiskIoStats

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

Formats the value using the given formatter.

impl Default for DiskIoStats

fn default() -> DiskIoStats

Returns the “default value” for a type.

impl From<DiskIoStats> for DiskStats

fn from(s: DiskIoStats) -> Self

Converts to this type from the input type.