Enum rocks::statistics::Histograms

#[repr(u32)]
pub enum Histograms {
    DbGet,
    DbWrite,
    CompactionTime,
    SubcompactionSetupTime,
    TableSyncMicros,
    CompactionOutfileSyncMicros,
    WalFileSyncMicros,
    ManifestFileSyncMicros,
    TableOpenIoMicros,
    DbMultiget,
    ReadBlockCompactionMicros,
    ReadBlockGetMicros,
    WriteRawBlockMicros,
    StallL0SlowdownCount,
    StallMemtableCompactionCount,
    StallL0NumFilesCount,
    HardRateLimitDelayCount,
    SoftRateLimitDelayCount,
    NumFilesInSingleCompaction,
    DbSeek,
    WriteStall,
    SstReadMicros,
    NumSubcompactionsScheduled,
    BytesPerRead,
    BytesPerWrite,
    BytesPerMultiget,
    BytesCompressed,
    BytesDecompressed,
    CompressionTimesNanos,
    DecompressionTimesNanos,
}

Histogram statistics

Variants

DbGetDbWriteCompactionTimeSubcompactionSetupTimeTableSyncMicrosCompactionOutfileSyncMicrosWalFileSyncMicrosManifestFileSyncMicrosTableOpenIoMicros

TIME SPENT IN IO DURING TABLE OPEN

DbMultigetReadBlockCompactionMicrosReadBlockGetMicrosWriteRawBlockMicrosStallL0SlowdownCountStallMemtableCompactionCountStallL0NumFilesCountHardRateLimitDelayCountSoftRateLimitDelayCountNumFilesInSingleCompactionDbSeekWriteStallSstReadMicrosNumSubcompactionsScheduled

The number of subcompactions actually scheduled during a compaction

BytesPerRead

Value size distribution in each operation

BytesPerWriteBytesPerMultigetBytesCompressed

number of bytes compressed/decompressed number of bytes is when uncompressed; i.e. before/after respectively

BytesDecompressedCompressionTimesNanosDecompressionTimesNanos

Trait Implementations

impl Debug for Histograms

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Copy for Histograms

impl Clone for Histograms

fn clone(&self) -> Histograms

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for Histograms

fn eq(&self, __arg_0: &Histograms) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Eq for Histograms

impl Hash for Histograms

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Display for Histograms

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

Formats the value using the given formatter.