Versioning

risingwave_meta::hummock::manager::versioning

Struct Versioning 

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pub struct Versioning {
    pub disable_commit_epochs: bool,
    pub current_version: HummockVersion,
    pub local_metrics: HashMap<u32, LocalTableMetrics>,
    pub time_travel_snapshot_interval_counter: u64,
    pub last_time_travel_snapshot_sst_ids: HashSet<HummockSstableId>,
    pub hummock_version_deltas: BTreeMap<HummockVersionId, HummockVersionDelta>,
    pub version_stats: HummockVersionStats,
    pub checkpoint: HummockVersionCheckpoint,
}

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§disable_commit_epochs: bool

Avoid commit epoch epochs Don’t persist compaction version delta to meta store

§current_version: HummockVersion

Latest hummock version

§local_metrics: HashMap<u32, LocalTableMetrics>§time_travel_snapshot_interval_counter: u64§last_time_travel_snapshot_sst_ids: HashSet<HummockSstableId>

Used to avoid the attempts to rewrite the same SST to meta store

§hummock_version_deltas: BTreeMap<HummockVersionId, HummockVersionDelta>§version_stats: HummockVersionStats

Stats for latest hummock version.

§checkpoint: HummockVersionCheckpoint

Implementations§

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impl Versioning

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pub(super) fn mark_next_time_travel_version_snapshot(&mut self)

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pub fn get_tracked_object_ids( &self, min_pinned_version_id: HummockVersionId, ) -> HashSet<HummockObjectId>

Trait Implementations§

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impl Default for Versioning

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fn default() -> Versioning

Returns the “default value” for a type. Read more

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