SANTA CLARA — After five days of unrelenting customer lines, the newly opened Din Tai Fung, a wildly popular dumpling palace, has relented on its no-reservations policy.

Beginning Monday, May 16, all tables at the restaurant inside Valley Fair mall in Santa Clara will be reservation only, company spokeswoman Ashley Chu announced. But even those reserved seats are going very quickly for the first several days.

“In our first few days of opening, we have realized that our guests have been waiting several hours to be seated. We have also had to turn away many guests because the restaurant was at capacity,” Chu said in a statement. “Therefore, despite our policy of not allowing reservations at our other locations, we have decided to temporarily move forward with a reservations-only policy at our Santa Clara location in order to better serve our guests.”

Bar seating, however, still will be available on a walk-in basis, with a maximum of four people per party. But the restaurant expects long waits for those first-come, first-served seats.

Founded in Taiwan nearly 60 years ago, Din Tai Fung has enjoyed worldwide acclaim for its dumplings, in particular the xiao long bao steamed pork buns, with long waits at its Asian and U.S. locations. The Valley Fair location is the first in Northern California; when it opened to the public last Tuesday, more than 400 people were in line.

To book reservations, go to http://dintaifungusa.com/locations_us and scroll down to the calendar listed under Santa Clara.