pub struct SnapshotStats {
pub shard_id: ShardId,
pub num_updates: usize,
}Expand description
Statistics about the contents of a shard as_of some time.
TODO: Add more stats here as they become necessary.
Fields§
§shard_id: ShardIdThe shard these statistics are for.
num_updates: usizeAn estimate of the count of updates in the shard.
This is an upper bound on the number of updates that persist_source would emit if you snapshot the source at the given as_of. The real number of updates, after consolidation, might be lower. It includes both additions and retractions.
NB: Because of internal persist compaction, the answer for a given as_of may change over time (as persist advances through Seqnos), but because compaction never results in more updates than the sum of the inputs, it can only go down.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for SnapshotStats
impl RefUnwindSafe for SnapshotStats
impl Send for SnapshotStats
impl Sync for SnapshotStats
impl Unpin for SnapshotStats
impl UnwindSafe for SnapshotStats
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