pub struct RegionManifest {
pub metadata: RegionMetadataRef,
pub files: HashMap<FileId, FileMeta>,
pub removed_files: RemovedFilesRecord,
pub flushed_entry_id: EntryId,
pub flushed_sequence: SequenceNumber,
pub manifest_version: ManifestVersion,
pub truncated_entry_id: Option<EntryId>,
pub compaction_time_window: Option<Duration>,
}Expand description
The region manifest data.
Fields§
§metadata: RegionMetadataRefMetadata of the region.
files: HashMap<FileId, FileMeta>SST files.
removed_files: RemovedFilesRecordRemoved files, which are not in the current manifest but may still be kept for a while. This is a list of (set of files, timestamp) pairs, where the timestamp is the time when the files are removed from manifest. The timestamp is in milliseconds since unix epoch.
Using same checkpoint files and action files, the recovered manifest may differ in this
removed_files field, because the checkpointer may evict some removed files using
current machine time. This is acceptable because the removed files are not used in normal
read/write path.
flushed_entry_id: EntryIdLast WAL entry id of flushed data.
flushed_sequence: SequenceNumberLast sequence of flushed data.
manifest_version: ManifestVersionCurrent manifest version.
truncated_entry_id: Option<EntryId>Last WAL entry id of truncated data.
compaction_time_window: Option<Duration>Inferred compaction time window.
Trait Implementations§
Source§impl Clone for RegionManifest
impl Clone for RegionManifest
Source§fn clone(&self) -> RegionManifest
fn clone(&self) -> RegionManifest
Returns a copy of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for RegionManifest
impl Debug for RegionManifest
Source§impl<'de> Deserialize<'de> for RegionManifest
impl<'de> Deserialize<'de> for RegionManifest
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations§
impl Freeze for RegionManifest
impl RefUnwindSafe for RegionManifest
impl Send for RegionManifest
impl Sync for RegionManifest
impl Unpin for RegionManifest
impl UnwindSafe for RegionManifest
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