In a statement published Tuesday night, the Beijing Olympic Committee said it had decided to temporarily halt domestic ticket sales in the second phase to improve the technical plan.
"Because of the overwhelming volume of page visits, the technical system was unable to perform the tasks well enough, and many applicants were unable to successfully submit their applications," the committee said.
Eight million hits and 200,000 orders per second overwhelmed the, Chinese news site Xinhua reported.
Ticketmaster, which hosts the site, is working on a solution to the deluge.
Suzanne Tindal of ZDNet Australia reported from Sydney.