Type Alias PbCompactionConfig 

pub type PbCompactionConfig = CompactionConfig;

Aliased Type

pub struct PbCompactionConfig {

    pub max_bytes_for_level_base: u64,
    pub max_level: u64,
    pub max_bytes_for_level_multiplier: u64,
    pub max_compaction_bytes: u64,
    pub sub_level_max_compaction_bytes: u64,
    pub level0_tier_compact_file_number: u64,
    pub compaction_mode: i32,
    pub compression_algorithm: Vec<String>,
    pub target_file_size_base: u64,
    pub compaction_filter_mask: u32,
    pub max_sub_compaction: u32,
    pub max_space_reclaim_bytes: u64,
    pub split_by_state_table: bool,
    pub split_weight_by_vnode: u32,
    pub level0_stop_write_threshold_sub_level_number: u64,
    pub level0_max_compact_file_number: u64,
    pub level0_sub_level_compact_level_count: u32,
    pub level0_overlapping_sub_level_compact_level_count: u32,
    pub tombstone_reclaim_ratio: u32,
    pub enable_emergency_picker: bool,
    pub max_l0_compact_level_count: Option<u32>,
    pub sst_allowed_trivial_move_min_size: Option<u64>,
    pub disable_auto_group_scheduling: Option<bool>,
    pub max_overlapping_level_size: Option<u64>,
    pub emergency_level0_sst_file_count: Option<u32>,
    pub emergency_level0_sub_level_partition: Option<u32>,
    pub level0_stop_write_threshold_max_sst_count: Option<u32>,
    pub level0_stop_write_threshold_max_size: Option<u64>,
    pub sst_allowed_trivial_move_max_count: Option<u32>,
    pub enable_optimize_l0_interval_selection: Option<bool>,
}

Fields

max_bytes_for_level_base: u64

max_level: u64

max_bytes_for_level_multiplier: u64

max_compaction_bytes: u64

sub_level_max_compaction_bytes: u64

level0_tier_compact_file_number: u64

compaction_mode: i32

compression_algorithm: Vec<String>

target_file_size_base: u64

compaction_filter_mask: u32

max_sub_compaction: u32

max_space_reclaim_bytes: u64

split_by_state_table: bool

split_weight_by_vnode: u32

Compaction needs to cut the state table every time 1/weight of vnodes in the table have been processed.

level0_stop_write_threshold_sub_level_number: u64

soft limit for max number of sub level number

level0_max_compact_file_number: u64

level0_sub_level_compact_level_count: u32

level0_overlapping_sub_level_compact_level_count: u32

for tier compaction pick overlapping level

tombstone_reclaim_ratio: u32

enable_emergency_picker: bool

max_l0_compact_level_count: Option<u32>

The limitation of the level count of l0 compaction

sst_allowed_trivial_move_min_size: Option<u64>

The limitation of base level trivial move sst size

disable_auto_group_scheduling: Option<bool>

The limitation of auto group scheduling

max_overlapping_level_size: Option<u64>

The limitation of the max size of the overlapping-level for the compaction hummock will reorg the commit-sstables to the multi overlapping-level if the size of the commit-sstables is larger than max_overlapping_level_size

emergency_level0_sst_file_count: Option<u32>

The emergency compaction limitations for the level0 sstables file count

emergency_level0_sub_level_partition: Option<u32>

The emergency compaction limitations for the level0 sub level partition

level0_stop_write_threshold_max_sst_count: Option<u32>

The limitation of the max sst count of the level0 to trigger the write stop

level0_stop_write_threshold_max_size: Option<u64>

The limitation of the max sst size of the level0 to trigger the write stop

sst_allowed_trivial_move_max_count: Option<u32>

The limitation of the max sst count of the trivial move task

enable_optimize_l0_interval_selection: Option<bool>

Enable the optimization of the interval selection for the level0 compaction