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Fix running out of file descriptors

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This commit is contained in:
Oliver Steele 2017-07-27 17:02:11 -04:00
parent e22984cdc6
commit b51cd1b295
1 changed files with 10 additions and 4 deletions
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14
site/write.go
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@ -6,7 +6,6 @@ import (
"io" "io"
"os" "os"
"path/filepath" "path/filepath"
"runtime"
"strings" "strings"
"github.com/osteele/gojekyll/pages" "github.com/osteele/gojekyll/pages"
@ -17,12 +16,19 @@ import (
// WriteFiles writes output files. // WriteFiles writes output files.
// It attends to options.dry_run. // It attends to options.dry_run.
func (s *Site) WriteFiles() (count int, err error) { func (s *Site) WriteFiles() (count int, err error) {
errs := make(chan error, runtime.NumCPU()) errs := make(chan error)
for _, p := range s.OutputDocs() { // without this, large sites run out of file descriptors
sem := make(chan bool, 20)
for i, n := 0, cap(sem); i < n; i++ {
sem <- true
}
for _, d := range s.OutputDocs() {
count++ count++
go func(d pages.Document) { go func(d pages.Document) {
<-sem
errs <- s.WriteDoc(d) errs <- s.WriteDoc(d)
}(p) sem <- true
}(d)
} }
var errList []error var errList []error
for i := 0; i < count; i++ { for i := 0; i < count; i++ {