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Improve HardlinkDir performance #91

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@airhorns airhorns commented May 6, 2024 •
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Trying to make HardlinkDir faster

On main:

go test -bench Hardlink -run=^# -benchtime=30s -cpuprofile out.prof
goos: darwin
goarch: arm64
pkg: github.com/gadget-inc/dateilager/test
BenchmarkHardlinkDir-12    	       7	5607450970 ns/op
PASS
ok  	github.com/gadget-inc/dateilager/test	44.303s
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This was referenced May 6, 2024
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airhorns commented May 6, 2024

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@airhorns airhorns mentioned this pull request May 6, 2024
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@airhorns airhorns force-pushed the harry/cached-csi branch 2 times, most recently from 48731e7 to 71bdea3 Compare May 8, 2024 04:05
@angelini angelini force-pushed the harry/cached-csi branch 2 times, most recently from 3d9d580 to 8c93d32 Compare May 8, 2024 12:22
angelini and others added 5 commits May 8, 2024 19:17
@angelini
Merge pull request #89 from gadget-inc/harry/cached-csi
942e67d 
`cached` K8S CSI driver
@airhorns
Update nix flake vendor hash -- we added new deps that need to be inc…
1003675 
…luded
@airhorns
Add a test and benchmark for the hardlink dir walker
545589a
@airhorns
Don't MkdirAll for every directory in the hardlink tree
b5ba504 
We know `fs.Walk` does a traversal that gives us parents before children, so we don't need to re-make all the grandparents every time, with the exception of the root, which we make special.
@airhorns
use filepath.WalkDir to avoid stat-ing files unnecessarily
3b51048
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