func partialSnapshotCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
start := subFlags.String("start", "", "start of the key range")
end := subFlags.String("end", "", "end of the key range")
concurrency := subFlags.Int("concurrency", 4, "how many compression jobs to run simultaneously")
subFlags.Parse(args)
if subFlags.NArg() != 2 {
relog.Fatal("action partialsnapshot requires <db name> <key name>")
}
filename, err := mysqld.CreateSplitSnapshot(subFlags.Arg(0), subFlags.Arg(1), key.HexKeyspaceId(*start), key.HexKeyspaceId(*end), tabletAddr, false, *concurrency, nil)
if err != nil {
relog.Fatal("partialsnapshot failed: %v", err)
} else {
relog.Info("manifest location: %v", filename)
}
}
