seaweedfs/go/storage/store_vacuum.go

package storage

import (
	"code.google.com/p/weed-fs/go/glog"
	"fmt"
	"strconv"
)

func (s *Store) CheckCompactVolume(volumeIdString string, garbageThresholdString string) (error, bool) {
	vid, err := NewVolumeId(volumeIdString)
	if err != nil {
		return fmt.Errorf("Volume Id %s is not a valid unsigned integer!", volumeIdString), false
	}
	garbageThreshold, e := strconv.ParseFloat(garbageThresholdString, 32)
	if e != nil {
		return fmt.Errorf("garbageThreshold %s is not a valid float number!", garbageThresholdString), false
	}
	if v := s.findVolume(vid); v != nil {
		glog.V(3).Infoln(vid, "garbage level is", v.garbageLevel())
		return nil, garbageThreshold < v.garbageLevel()
	}
	return fmt.Errorf("volume id %d is not found during check compact!", vid), false
}
func (s *Store) CompactVolume(volumeIdString string) error {
	vid, err := NewVolumeId(volumeIdString)
	if err != nil {
		return fmt.Errorf("Volume Id %s is not a valid unsigned integer!", volumeIdString)
	}
	if v := s.findVolume(vid); v != nil {
		return v.Compact()
	}
	return fmt.Errorf("volume id %d is not found during compact!", vid)
}
func (s *Store) CommitCompactVolume(volumeIdString string) error {
	vid, err := NewVolumeId(volumeIdString)
	if err != nil {
		return fmt.Errorf("Volume Id %s is not a valid unsigned integer!", volumeIdString)
	}
	if v := s.findVolume(vid); v != nil {
		return v.commitCompact()
	}
	return fmt.Errorf("volume id %d is not found during commit compact!", vid)
}