Struct rocksdb::rocksdb_options::DBOptions

pub struct DBOptions {
    pub inner: *mut Options,
    pub titan_inner: *mut DBTitanDBOptions,
    // some fields omitted
}

Fields

inner: *mut Options

titan_inner: *mut DBTitanDBOptions

Implementations

impl DBOptions

pub fn new() -> DBOptions

pub fn env(&self) -> Option<Arc<Env>>

pub unsafe fn from_raw(inner: *mut Options) -> DBOptions

pub fn set_titandb_options(&mut self, opts: &TitanDBOptions)

pub fn increase_parallelism(&mut self, parallelism: i32)

pub fn add_event_listener<L: EventListener>(&mut self, l: L)

pub fn create_if_missing(&mut self, create_if_missing: bool)

pub fn create_missing_column_families(
    &mut self,
    create_missing_column_families: bool
)

pub fn set_env(&mut self, env: Arc<Env>)

pub fn set_max_open_files(&mut self, nfiles: c_int)

pub fn set_max_total_wal_size(&mut self, size: u64)

pub fn set_use_fsync(&mut self, useit: bool)

pub fn set_bytes_per_sync(&mut self, nbytes: u64)

pub fn set_table_cache_num_shard_bits(&mut self, nbits: c_int)

pub fn set_writable_file_max_buffer_size(&mut self, nbytes: c_int)

pub fn set_use_direct_reads(&mut self, v: bool)

pub fn set_use_direct_io_for_flush_and_compaction(&mut self, v: bool)

pub fn set_max_manifest_file_size(&mut self, size: u64)

pub fn set_max_background_jobs(&mut self, n: c_int)

pub fn get_max_background_jobs(&self) -> i32

pub fn set_max_background_compactions(&mut self, n: c_int)

pub fn get_max_background_compactions(&self) -> i32

pub fn set_max_background_flushes(&mut self, n: c_int)

pub fn get_max_background_flushes(&self) -> i32

pub fn set_max_subcompactions(&mut self, n: u32)

pub fn set_wal_bytes_per_sync(&mut self, n: u64)

pub fn set_wal_recovery_mode(&mut self, mode: DBRecoveryMode)

pub fn set_delayed_write_rate(&mut self, rate: u64)

pub fn enable_statistics(&mut self, v: bool)

pub fn get_statistics_ticker_count(
    &self,
    ticker_type: DBStatisticsTickerType
) -> u64

pub fn get_and_reset_statistics_ticker_count(
    &self,
    ticker_type: DBStatisticsTickerType
) -> u64

pub fn get_statistics_histogram(
    &self,
    hist_type: DBStatisticsHistogramType
) -> Option<HistogramData>

pub fn get_statistics_histogram_string(
    &self,
    hist_type: DBStatisticsHistogramType
) -> Option<String>

pub fn get_statistics(&self) -> Option<String>

pub fn reset_statistics(&self)

pub fn set_stats_dump_period_sec(&mut self, period: usize)

pub fn set_db_log_dir(&mut self, path: &str)

pub fn set_wal_dir(&mut self, path: &str)

pub fn set_wal_ttl_seconds(&mut self, ttl: u64)

pub fn set_wal_size_limit_mb(&mut self, limit: u64)

pub fn set_max_log_file_size(&mut self, size: u64)

pub fn set_log_file_time_to_roll(&mut self, ttl: u64)

pub fn set_info_log_level(&mut self, level: DBInfoLogLevel)

pub fn set_keep_log_file_num(&mut self, num: u64)

pub fn set_recycle_log_file_num(&mut self, num: u64)

pub fn set_compaction_readahead_size(&mut self, size: u64)

pub fn set_ratelimiter(&mut self, rate_bytes_per_sec: i64)

pub fn set_ratelimiter_with_auto_tuned(
    &mut self,
    rate_bytes_per_sec: i64,
    refill_period_us: i64,
    mode: DBRateLimiterMode,
    auto_tuned: bool
)

pub fn set_writeampbasedratelimiter_with_auto_tuned(
    &mut self,
    rate_bytes_per_sec: i64,
    refill_period_us: i64,
    mode: DBRateLimiterMode,
    auto_tuned: bool
)

pub fn set_rate_bytes_per_sec(
    &mut self,
    rate_bytes_per_sec: i64
) -> Result<(), String>

pub fn get_rate_bytes_per_sec(&self) -> Option<i64>

pub fn set_auto_tuned(&mut self, auto_tuned: bool) -> Result<(), String>

pub fn get_auto_tuned(&self) -> Option<bool>

pub fn create_info_log(&self, path: &str) -> Result<(), String>

pub fn set_info_log<L: Logger>(&self, l: L)

pub fn enable_pipelined_write(&self, v: bool)

pub fn enable_multi_batch_write(&self, v: bool)

pub fn is_enable_multi_batch_write(&self) -> bool

pub fn enable_unordered_write(&self, v: bool)

pub fn allow_concurrent_memtable_write(&self, v: bool)

pub fn manual_wal_flush(&self, v: bool)

pub fn set_db_paths<T: AsRef<Path>>(&self, val: &[(T, u64)])

the second parameter is a slice which contains tuples (path, target_size).

pub fn set_atomic_flush(&self, enable: bool)

pub fn get_db_paths_num(&self) -> usize

pub fn get_db_path(&self, idx: usize) -> Option<String>

pub fn get_path_target_size(&self, idx: usize) -> u64

pub fn set_paranoid_checks(&self, enable: bool)

Set paranoid checks. The default value is true. We can set it to false to skip manifest checks.

pub fn set_doubly_skiplist(&self)

pub fn get_memtable_name(&self) -> Option<&str>

Trait Implementations

impl Clone for DBOptions

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for DBOptions

fn default() -> DBOptions

Returns the “default value” for a type.

impl Drop for DBOptions

fn drop(&mut self)

Executes the destructor for this type.