os.File.WriteAt
standard libraryThe 6298th most-called standard-library method by production calls. Called 164 times across 60 modules; 94 of those run outside tests and generated code.
- prod calls
- 94
- non-test, non-generated
- all calls
- 164
- total callsites
- modules
- 60
- distinct callers
- in loop
- 22%
- of prod calls
- in tests
- 43%
- 70 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 method95%A method on a value whose type is known exactly.
- Embedded method5%Reached through an embedded type.
who calls this
Notable callers
Production calls into File.WriteAt from notable Go projects. Open one on the map to see what else it hammers.
- containerd 8 9%
- etcd 4 4%
- Kubernetes 4 4%
- Docker 3 3%
- Grafana 2 2%
where it's called
Callsites in the wild
12 representative callsites of 164, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
- in loop
- in loop
-
benbjohnson/litestream @v0.5.15
in loop -
jetify-com/devbox @v0.0.0-20260805034207-9f08bf57c802
in loop -
putyy/res-downloader @v0.0.0-20260618235516-45d5e9eddc6c
in loop -
rclone/rclone @v1.75.0
in loop -
seaweedfs/seaweedfs @v0.0.0-20260805044234-3c549b33ab8d
in loop -
superfly/ltx @v0.5.2
in loop -
tencentyun/cos-go-sdk-v5 @v0.7.75
in loop - in loop
top callers
The modules that reach for it
The modules that call File.WriteAt most in this snapshot.
- github.com/prometheus/prometheus2012%
- github.com/seaweedfs/seaweedfs1610%
- github.com/u-root/u-root106%
- github.com/containerd/continuity85%
- github.com/tencentyun/cos-go-sdk-v574%
siblings
More from os
The other most-called members in this package. See all →