SQL Server每秒可以处理多少个请求?

I am using JMeter to test our application 's performance. but I found when I send 20 requests from JMeter, with this the reason result should be add 20 new records into the sql server, but I just find 5 new records, which means that SQL server discard the other requests(because I took a log, and make sure that the insert new records are sent out to sql server.)I am using JMeter to test our application 's pe