bitcask-mirror/cmd/bitcask/merge.go
2019-03-12 23:56:57 +10:00

51 lines
1.0 KiB
Go

package main
import (
"os"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/prologic/bitcask"
)
var mergeCmd = &cobra.Command{
Use: "merge",
Aliases: []string{"clean", "compact", "defrag"},
Short: "Merges the Datafiles in the Database",
Long: `This merges all non-active Datafiles in the Database and
compacts the data stored on disk. Old values are removed as well as deleted
keys.`,
Args: cobra.ExactArgs(0),
Run: func(cmd *cobra.Command, args []string) {
path := viper.GetString("path")
force, err := cmd.Flags().GetBool("force")
if err != nil {
log.WithError(err).Error("error parsing force flag")
os.Exit(1)
}
os.Exit(merge(path, force))
},
}
func init() {
RootCmd.AddCommand(mergeCmd)
mergeCmd.Flags().BoolP(
"force", "f", false,
"Force a re-merge even if .hint files exist",
)
}
func merge(path string, force bool) int {
err := bitcask.Merge(path, force)
if err != nil {
log.WithError(err).Error("error merging database")
return 1
}
return 0
}