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etcdserver: Use Readdirnames to count fds for FDUsage

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Readdir already calls Readdirnames, but continues to allocate
os.FileInfo with Lstat for each result.
This commit is contained in:
Mario Valderrama 2020-08-20 16:22:00 +02:00
parent 4b6a0eea49
commit be70400fb5
1 changed files with 1 additions and 2 deletions
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3
pkg/runtime/fds_linux.go
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@ -33,13 +33,12 @@ func FDUsage() (uint64, error) {
}
// countFiles reads the directory named by dirname and returns the count.
// This is same as stdlib "io/ioutil.ReadDir" but without sorting.
func countFiles(dirname string) (uint64, error) {
f, err := os.Open(dirname)
if err != nil {
return 0, err
}
list, err := f.Readdir(-1)
list, err := f.Readdirnames(-1)
f.Close()
if err != nil {
return 0, err