Struct SegmentReader 

pub struct SegmentReader { /* private fields */ }

Queries sealed segments + live WAL for span data.

Implementations

impl SegmentReader

pub fn open(dir: impl AsRef<Path>) -> Result<Self>

Open all .nxb files and at most one .nxsw file found under dir.

pub fn find_by_trace(&self, trace_id: u128) -> Result<Vec<Span>>

Return all spans belonging to a trace, sorted by start_time_ns.

pub fn find_span(&self, trace_id: u128, span_id: u64) -> Result<Option<Span>>

Find a specific span by (trace_id, span_id).

pub fn find_by_time(&self, start_ns: i64, end_ns: i64) -> Result<Vec<Span>>

Return spans in a time window across all segments.

pub fn stats(&self) -> ReaderStats

Summary: how many segments + records are loaded.