VictoriaMetrics/app/vmselect/netstorage/fadvise_linux.go
2019-05-23 00:18:06 +03:00

15 lines
361 B
Go

package netstorage
import (
"os"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"golang.org/x/sys/unix"
)
func mustFadviseRandomRead(f *os.File) {
fd := int(f.Fd())
if err := unix.Fadvise(int(fd), 0, 0, unix.FADV_RANDOM|unix.FADV_WILLNEED); err != nil {
logger.Panicf("FATAL: error returned from unix.Fadvise(RANDOM|WILLNEED): %s", err)
}
}