This project uses AWS JAVA APIs to launch a load generator and web service instances. Webservices are scaled automatically to cater the growing requests.
Below is the result from load generator run :
; 2018-06-21T23:57:41+00:00 ; Horizontal Scaling Test ; isTestingThroughCode=true ; Test launched. Please check every minute for update. ; Your goal is too achieve rps=60 in 30 min ; Minimal interval of adding instances is 100 sec [Test] type=horizontal testId=1529625461627 testFile=test.1529625461627.log startTime=2018-06-21T23:57:41+00:00
[Minute 1] ec2-18-233-157-96.compute-1.amazonaws.com=9.49 [Current rps=9.49]
[Minute 2] ec2-18-233-157-96.compute-1.amazonaws.com=7.30 [Current rps=7.30]
[Minute 3] ec2-18-233-157-96.compute-1.amazonaws.com=7.32 [Current rps=7.32]
[Minute 4] ec2-18-233-157-96.compute-1.amazonaws.com=7.36 ec2-54-89-141-248.compute-1.amazonaws.com=9.45 [Current rps=16.81]
[Minute 5] ec2-18-233-157-96.compute-1.amazonaws.com=8.58 ec2-54-89-141-248.compute-1.amazonaws.com=8.50 [Current rps=17.08]
[Minute 6] ec2-18-233-157-96.compute-1.amazonaws.com=8.59 ec2-54-89-141-248.compute-1.amazonaws.com=8.52 [Current rps=17.11]
[Minute 7] ec2-18-233-157-96.compute-1.amazonaws.com=8.59 ec2-54-89-141-248.compute-1.amazonaws.com=8.54 ec2-52-90-31-145.compute-1.amazonaws.com=9.54 [Current rps=26.67]
[Minute 8] ec2-18-233-157-96.compute-1.amazonaws.com=9.77 ec2-54-89-141-248.compute-1.amazonaws.com=8.94 ec2-52-90-31-145.compute-1.amazonaws.com=8.92 [Current rps=27.63]
[Minute 9] ec2-18-233-157-96.compute-1.amazonaws.com=9.74 ec2-54-89-141-248.compute-1.amazonaws.com=8.96 ec2-52-90-31-145.compute-1.amazonaws.com=8.96 ec2-18-207-226-142.compute-1.amazonaws.com=9.50 [Current rps=37.16]
[Minute 10] ec2-18-233-157-96.compute-1.amazonaws.com=9.20 ec2-54-89-141-248.compute-1.amazonaws.com=9.74 ec2-52-90-31-145.compute-1.amazonaws.com=9.14 ec2-18-207-226-142.compute-1.amazonaws.com=9.17 [Current rps=37.25]
[Minute 11] ec2-18-233-157-96.compute-1.amazonaws.com=9.22 ec2-54-89-141-248.compute-1.amazonaws.com=9.74 ec2-52-90-31-145.compute-1.amazonaws.com=9.17 ec2-18-207-226-142.compute-1.amazonaws.com=9.21 [Current rps=37.34]
[Minute 12] ec2-18-233-157-96.compute-1.amazonaws.com=9.20 ec2-54-89-141-248.compute-1.amazonaws.com=9.75 ec2-52-90-31-145.compute-1.amazonaws.com=9.08 ec2-18-207-226-142.compute-1.amazonaws.com=9.25 ec2-54-175-240-122.compute-1.amazonaws.com=9.50 [Current rps=46.78]
[Minute 13] ec2-18-233-157-96.compute-1.amazonaws.com=9.35 ec2-54-89-141-248.compute-1.amazonaws.com=9.31 ec2-52-90-31-145.compute-1.amazonaws.com=9.73 ec2-18-207-226-142.compute-1.amazonaws.com=9.32 ec2-54-175-240-122.compute-1.amazonaws.com=9.27 [Current rps=46.98]
[Minute 14] ec2-18-233-157-96.compute-1.amazonaws.com=9.35 ec2-54-89-141-248.compute-1.amazonaws.com=9.30 ec2-52-90-31-145.compute-1.amazonaws.com=9.74 ec2-18-207-226-142.compute-1.amazonaws.com=9.34 ec2-54-175-240-122.compute-1.amazonaws.com=9.29 [Current rps=47.02]
[Minute 15] ec2-18-233-157-96.compute-1.amazonaws.com=9.33 ec2-54-89-141-248.compute-1.amazonaws.com=9.33 ec2-52-90-31-145.compute-1.amazonaws.com=9.72 ec2-18-207-226-142.compute-1.amazonaws.com=9.38 ec2-54-175-240-122.compute-1.amazonaws.com=9.31 ec2-54-161-215-38.compute-1.amazonaws.com=9.58 [Current rps=56.65]
[Minute 16] ec2-18-233-157-96.compute-1.amazonaws.com=9.45 ec2-54-89-141-248.compute-1.amazonaws.com=9.42 ec2-52-90-31-145.compute-1.amazonaws.com=9.35 ec2-18-207-226-142.compute-1.amazonaws.com=9.80 ec2-54-175-240-122.compute-1.amazonaws.com=9.37 ec2-54-161-215-38.compute-1.amazonaws.com=9.33 [Current rps=56.72]
[Minute 17] ec2-18-233-157-96.compute-1.amazonaws.com=9.43 ec2-54-89-141-248.compute-1.amazonaws.com=9.41 ec2-52-90-31-145.compute-1.amazonaws.com=9.39 ec2-18-207-226-142.compute-1.amazonaws.com=9.78 ec2-54-175-240-122.compute-1.amazonaws.com=9.41 ec2-54-161-215-38.compute-1.amazonaws.com=9.36 ec2-18-206-160-186.compute-1.amazonaws.com=9.53 [Current rps=66.31]
[Load Generator] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-06a769df5380db5fb instanceType=m3.medium hostname=ec2-18-207-202-113.compute-1.amazonaws.com passwd=XXXXXXXXXXXXXXX
[Web Service 0] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-0d74097773c23eef8 instanceType=m3.medium hostname=ec2-18-233-157-96.compute-1.amazonaws.com
[Web Service 1] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-03f8925896d9bd927 instanceType=m3.medium hostname=ec2-54-89-141-248.compute-1.amazonaws.com
[Web Service 2] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-00f82d435101af334 instanceType=m3.medium hostname=ec2-52-90-31-145.compute-1.amazonaws.com
[Web Service 3] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-009f8f268fb567c20 instanceType=m3.medium hostname=ec2-18-207-226-142.compute-1.amazonaws.com
[Web Service 4] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-003acfa844e7009f2 instanceType=m3.medium hostname=ec2-54-175-240-122.compute-1.amazonaws.com
[Web Service 5] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-01cae2ada667513c6 instanceType=m3.medium hostname=ec2-54-161-215-38.compute-1.amazonaws.com
[Web Service 6] username=XXXXXXXXXXXXXXX platform=AWS instanceId=i-02b2aaa1c9c24fbac instanceType=m3.medium hostname=ec2-18-206-160-186.compute-1.amazonaws.com
; MSB is validating... [Test End] rps=66.31 pass=true endTime=2018-06-22T00:14:47+00:00 {"status":1209,"success":true,"message":"Your submission is in processing, submission token is:XXXXXXXXXXXXXXX_vm-scaling_p2-task1-aws_390764938 Wait and check your code, score and feedback on TPZ."}`