Struct DiskStats 

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

Disk I/O performance counters.

Fields

read_bytes: u64

Total bytes read from disk.

write_bytes: u64

Total bytes written to disk.

cache_hits: u64

Number of read requests served from cache.

cache_misses: u64

Number of read requests that required disk I/O.

write_buffer_bytes: usize

Current size of the write buffer in bytes.

queued_jobs: usize

Number of pending disk I/O jobs in the queue.

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 DiskStats

fn clone(&self) -> DiskStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DiskStats

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

Formats the value using the given formatter.

impl Default for DiskStats

fn default() -> DiskStats

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DiskStats

fn deserialize<__D>( __deserializer: __D, ) -> Result<DiskStats, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<DiskIoStats> for DiskStats

fn from(s: DiskIoStats) -> DiskStats

Converts to this type from the input type.

impl Serialize for DiskStats

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.