Wednesday, October 31, 2012

TPC-C Testing Result

Test on Single Computer

     Although one of the purposes of this project is to build a remote testing framework, it is very necessary to build a base line of each computer. The results of tests on each computer can be used to analysis the data in later stages. For example, if the response time of remote test is longer than response time on single computer, it is very possible that the internet limit the performance. But it is impossible to get such conclusion without the test each computer independently.
     First of all, the capacity of each compute had to be tested, since it could help to make decisions in the later stages. The usage rate of both CPUs and Memories were recorded with different number of threads ran. The table 4.6 is the record of all tests.

           Figure 4.5 was generated with the data from Table 4.6. It is clear that the increasing rate of usage rates of CPUs slow down with the increasing of number of simulated clients. Both CPUs are capable with the tests, and can afford very large number of clients.These independent tests indicate a start point for following tests. The computers can afford large number of client, it is not necessary to start the test with small numbers. One reasonable number of clients will be 20.

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