math/rand.Rand.Int63n
standard libraryThe 4890th most-called standard-library method by production calls. Called 334 times across 91 modules; 124 of those run outside tests and generated code.
1% in production calls vs 2026-W39 (123 → 124)
- prod calls
- 124
- non-test, non-generated
- all calls
- 334
- total callsites
- modules
- 91
- distinct callers
- in loop
- 19%
- of prod calls
- in tests
- 63%
- 210 calls
- resolved
- 100%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Concrete method87%A method on a value whose type is known exactly.
- Embedded method13%Reached through an embedded type.
- Method value<1%A method captured as a value, then called.
who calls this
Notable callers
Production calls into Rand.Int63n from notable Go projects. Open one on the map to see what else it hammers.
- CockroachDB 22 18%
- Kubernetes 18 15%
- Grafana 9 7%
- Dgraph 3 2%
- Nomad 3 2%
where it's called
Callsites in the wild
12 representative callsites of 334, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
- in loop
- in loop
- in loop
- in loop
- in loop
-
seaweedfs/seaweedfs @v0.0.0-20260928104011-150a69fe11f4
in loop - in loop
- in loop
-
go.k6.io/k6 @v1.8.1
cloudapi/logs.go:235
in loop -
grafana/k6 @v1.8.1
in loop
top callers
The modules that reach for it
The modules that call Rand.Int63n most in this snapshot.
- github.com/cockroachdb/cockroach5918%
- github.com/VictoriaMetrics/VictoriaMetrics196%
- github.com/VictoriaMetrics/VictoriaLogs185%
- github.com/parquet-go/parquet-go185%
- github.com/grafana/k6113%
siblings
More from math/rand
The other most-called members in this package. See all →