I noticed that simply importing certain modules can substantially increase
observed RSS even though nothing is visibly being allocated on the heap
when looking at pprof. For example, take the following program:
```
package main
import (
"time"
)
func main() {
time.Sleep(time.Hour)
}
```
Running this with go 1.24.6 and running it shows an RSS of 1688 KB (using
ps).
```
VSZ RSS
1225172 1688
```
Now as an example, I just add the following import: `_
"google.golang.org/grpc"`
The RSS of the otherwise same program looks like this:
```
VSZ RSS
1646164 9896
```
First off, what exactly is causing this rather big increase in RSS here? Is
there any way to reduce this and if not, what is the best way to find such
heavy dependencies?
I have used https://github.com/Zxilly/go-size-analyzer with some success
but this just looks at the binary size and is not very granular, e.g. I
have no way of knowing what exactly inside of the grpc module is causing
this.
Cyrill
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