bufio.NewReader
standard libraryThe 501st most-called standard-library function by production calls. Called 2,994 times across 545 modules; 1,604 of those run outside tests and generated code.
1% in production calls vs 2026-W37 (1,588 → 1,604)
- prod calls
- 1,604
- non-test, non-generated
- all calls
- 2,994
- total callsites
- modules
- 545
- distinct callers
- in loop
- 5%
- of prod calls
- in tests
- 46%
- 1,388 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 →
- Package function100%A direct call to an exported package function, resolved by type.
who calls this
Notable callers
Production calls into NewReader from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 56 3%
- InfluxDB 30 2%
- Go (golang.org/x) 29 2%
- containerd 26 2%
- Docker 25 2%
where it's called
Callsites in the wild
12 representative callsites of 2,994, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
-
cilium/hive @v1.0.5
in loop -
cockroachdb/cockroach @v19.2.12+incompatible
in loop - in loop
-
encr.dev @v1.58.6
pkg/emulators/storage/gcsemu/batch.go:48
in loop - in loop
-
Azure/azure-sdk-for-go/sdk/storage/azblob @v1.8.1
internal/exported/blob_batch.go:242
in loop - in loop
- in loop
-
Jguer/yay @v8.1173.0+incompatible
in loop - in loop
- in loop
top callers
The modules that reach for it
The modules that call NewReader most in this snapshot.
- github.com/valyala/fasthttp2829%
- github.com/bluenviron/gortsplib/v51425%
- github.com/codenotary/immudb552%
- github.com/nats-io/nats-server/v2512%
- github.com/influxdata/telegraf441%
siblings
More from bufio
The other most-called functions in this package. See all →