Crate risingwave_hummock_trace

Modules§

BincodeDeserializer: Decodes bincode format serialized data
HummockReplay
MayTraceSpan
Record
TraceReaderImpl
TraceSpan: TraceSpan traces hummock operations. It marks the beginning of an operation and the end when the span is dropped. So, please make sure the span live long enough. Underscore binding like let _ = span will drop the span immediately.
TracedBitmap
TracedBytes
TracedEpochPair
TracedInitOptions
TracedNewLocalOptions
TracedPrefetchOptions
TracedReadOptions
TracedSealCurrentEpochOptions
TracedSubResp
TracedTableId
TracedTableOption
TracedTryWaitEpochOptions
TracedWriteOptions
UniqueIdGenerator

Operation: Operations represents Hummock operations
OperationResult
StorageType
TraceError
TraceResult: TraceResult discards Error and only traces whether succeeded or not. Use Option rather than Result because it’s overhead to serialize Error.
TracedCachePolicy
TracedCachePriority
TracedHummockReadEpoch
TracedOpConsistencyLevel

hummock_trace_scope
init_collector: Initialize the GLOBAL_COLLECTOR with configured log file
should_use_trace: Returns whether trace should be used based on the environment variable