Flux Profiler package
- Options
  - enabledProfilers

Flux Profiler package

The Flux Profiler package provides performance profiling tools for Flux queries and operations. Import the profiler package:

import "profiler"

Options

The Profiler package includes the following options:

enabledProfilers

Enable Flux profilers.

*Data type: Array of strings*

import "profiler"
option profiler.enabledProfilers = [""]

Available profilers

query

The query profiler provides statistics about the execution of an entire Flux script. When enabled, results returned by yield() include a table with the following columns:

TotalDuration: total query duration in nanoseconds.
CompileDuration: number of nanoseconds spent compiling the query.
QueueDuration: number of nanoseconds spent queueing.
RequeueDuration: number fo nanoseconds spent requeueing.
PlanDuration: number of nanoseconds spent planning the query.
ExecuteDuration: number of nanoseconds spent executing the query.
Concurrency: number of goroutines allocated to process the query.
MaxAllocated: maximum number of bytes the query allocated.
TotalAllocated: total number of bytes the query allocated (includes memory that was freed and then used again).
RuntimeErrors: error messages returned during query execution.
flux/query-plan: Flux query plan.
influxdb/scanned-values: value scanned by InfluxDB.
influxdb/scanned-bytes: number of bytes scanned by InfluxDB.

Use the query profiler

Use the query profiler to output statistics about query execution.

import "profiler"
option profiler.enabledProfilers = ["query"]
// ... Query to profile

Optimize Flux queries

functions package