// NewGCWorker creates a GCWorker instance.
func NewGCWorker(store kv.Storage) (*GCWorker, error) {
session, err := tidb.CreateSession(store)
if err != nil {
return nil, errors.Trace(err)
}
ver, err := store.CurrentVersion()
if err != nil {
return nil, errors.Trace(err)
}
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
worker := &GCWorker{
uuid: strconv.FormatUint(ver.Ver, 16),
desc: fmt.Sprintf("host:%s, pid:%d, start at %s", hostName, os.Getpid(), time.Now()),
store: store.(*tikvStore),
session: session,
gcIsRunning: false,
lastFinish: time.Now(),
quit: make(chan struct{}),
done: make(chan error),
}
go worker.start()
return worker, nil
}
