Reload tsdb blocks every minute (#8340)

* Reload tsdb blocks every minute
Signed-off-by: NArthurSens <arthursens2005@gmail.com>

* Proteced tsdb with mutex locks
Signed-off-by: NArthurSens <arthursens2005@gmail.com>

tsdb/db.go

@@ -732,6 +732,12 @@ func (db *DB) run() {
 
 		select {
 		case <-time.After(1 * time.Minute):
+			db.cmtx.Lock()
+			if err := db.reloadBlocks(); err != nil {
+				level.Error(db.logger).Log("msg", "reloadBlocks", "err", err)
+			}
+			db.cmtx.Unlock()
+
 			select {
 			case db.compactc <- struct{}{}:
 			default: