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hugofs: Make FileMeta a struct

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This commit started out investigating a `concurrent map read write` issue, ending by replacing the map with a struct.

This is easier to reason about, and it's more effective:

```
name                                  old time/op    new time/op    delta
SiteNew/Regular_Deep_content_tree-16    71.5ms ± 3%    69.4ms ± 5%    ~     (p=0.200 n=4+4)

name                                  old alloc/op   new alloc/op   delta
SiteNew/Regular_Deep_content_tree-16    29.7MB ± 0%    27.9MB ± 0%  -5.82%  (p=0.029 n=4+4)

name                                  old allocs/op  new allocs/op  delta
SiteNew/Regular_Deep_content_tree-16      313k ± 0%      303k ± 0%  -3.35%  (p=0.029 n=4+4)
```

See #8749
This commit is contained in:
Bjørn Erik Pedersen
2021-07-13 11:41:02 +02:00
parent f27e542442
commit 022c479551
44 changed files with 434 additions and 451 deletions
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4
resources/image.go
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@@ -311,7 +311,7 @@ func (i *imageResource) doWithImageConfig(conf images.ImageConfig, f func(src im
})
if err != nil {
if i.root != nil && i.root.getFileInfo() != nil {
return nil, errors.Wrapf(err, "image %q", i.root.getFileInfo().Meta().Filename())
return nil, errors.Wrapf(err, "image %q", i.root.getFileInfo().Meta().Filename)
}
}
return img, nil
@@ -365,7 +365,7 @@ func (i *imageResource) getImageMetaCacheTargetPath() string {
cfgHash := i.getSpec().imaging.Cfg.CfgHash
df := i.getResourcePaths().relTargetDirFile
if fi := i.getFileInfo(); fi != nil {
df.dir = filepath.Dir(fi.Meta().Path())
df.dir = filepath.Dir(fi.Meta().Path)
}
p1, _ := paths.FileAndExt(df.file)
h, _ := i.hash()