Crate seella

Expand description

A tool for visualising the traces emitted by ScyllaDB.

Structs§

Cli: Configuration for the cli.
CsvModeOptions: Options that are specific to the CSV mode of operation.
CsvSource: A source for the data based on an exported CSV.
DbAddr: Default SocketAddr for connection to a database.
DbModeOptions: Options that are specific to the DB mode of operation.
DbSource: A source for the data based on an exported CSV.
Event: All of the information related to an event, as well as all child events.
EventRecord: The basic structure and data of a Event, before it is made into the leaves of a tree.
EventsPath: Default path to the Event source.
MaxActivityWidth: Default maximum width for the activity column.
MinDurationWidth: Default minimum width for the dur column.
Session: All of the information related to a single tracing session.
SessionRecord: The basic structure and data of a Session, before it is made into the head of a tree.
SessionsPath: Default path to the Session source.
SpanId: Wrapper type for the i64 used by Scylla for span IDs.
WaterfallWidth: Default width for the waterfall chart.

CsvParsingError: The kinds of errors that can be experienced while parsing the data from the CSV.
DbParsingError: The kinds of errors that can be experienced while parsing the data from the DB.
DurationFormat: Which unit of measurement to use for the display of durations of spans.
OperationMode: Mode of operation; whether to use a CSV or a DB.

COMPLAIN_ABOUT_TRACE_SIZE: It’s possible for a chrono::Duration to have more than 2^63 microseconds and overflow, we ignore that possibility.

event_display_str: Generates the formatted string used by Event::display.
session_from_csv: Constructs a Session instance from the files given in the CsvModeOptions config.
session_from_db: Constructs a Session instance from a live database, given the DbModeOptions config.

DbEventRecord: Makes it much easier to use scylla::FromRow for the very large system_traces.events rows.
DbSessionRecord: Makes it much easier to use scylla::FromRow for the very large system_traces.sessions rows.