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callcount

compress/gzip.NewWriter

standard library

The 1888th most-called standard-library function by production calls. Called 683 times across 228 modules; 327 of those run outside tests and generated code.

1% in production calls vs 2026-W37 (325 → 327)

All of compress/gzip → Docs on pkg.go.dev ↗

prod calls
327
non-test, non-generated
all calls
683
total callsites
modules
228
distinct callers
in loop
4%
of prod calls
in tests
52%
356 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 NewWriter from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 683, prioritizing in-loop and non-test usage. We link to source, never display it.

top callers

The modules that reach for it

The modules that call NewWriter most in this snapshot.

  • github.com/velero-io/velero315%
  • github.com/vmware-tanzu/velero315%
  • gitea.dev264%
  • github.com/go-gitea/gitea264%
  • github.com/hyperledger/fabric244%

siblings

More from compress/gzip

The other most-called functions in this package. See all →