Application abnormality detection

• US 10,191,792 B2
• Filed: 03/04/2016
• Issued: 01/29/2019
• Est. Priority Date: 03/04/2016
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Qi, Yao Dong, Wang, Lanjun, Wu, Hai Shan, Xu, Di Dx, Yang, Yi Bj
• Primary Examiner(s): Truong, Loan L. T.
• Application Number:
  US15/062,028
• Publication Number:
  US 20170255505A1
• Time in Patent Office: 1,061 Days
• CPC Class Codes: G06F 11/0754 by exceeding limits

Abstract

A method of operating a computer system including collecting, from the computer system, data indicative of variations in throughput and response time over a period of time, calculating processing power of the computer system over the period of time, recording a maximal power, calculating a standard deviation of the response time (RT-StdDev), recording the standard deviation of the response time corresponding to a time of the maximal power (RT-StdDevMaxPower), and generating a notification that the computer system is in a bottleneck state using a comparison of a current processing power to the maximal power and a comparison of the RT-StdDev to the RT-StdDevMaxPower.

Claims

1. A method of operating a computer system comprising:

collecting, from the computer system, data indicative of variations in throughput and response time over a period of time;

calculating processing power of the computer system over the period of time;

recording a maximal power;

calculating a standard deviation of the response time (RT-StdDev);

recording the standard deviation of the response time corresponding to a time of the maximal power (RT-StdDevMaxPower); and

generating a notification that the computer system is in a bottleneck state using a comparison of a current processing power to the maximal power and a comparison of the RT-StdDev to the RT-StdDevMaxPower.

2. The method of claim 1, further comprising confirming, before generating the notification, the bottleneck state using a buffer of the maximal power (MaxPowerBuffer) and a buffer of standard deviation of response time (StdDevBuffer) and generating the notification upon determining that the current processing power is less than the maximal power multiplied by the MaxPowerBuffer and that the RT-StdDev is greater than the RT-StdDevMaxPower multiplied by a sum of 1 and the StdDevBuffer.

3. The method of claim 1, further comprising transmitting the notification over a communication channel to an administration server associated with the computer system, wherein the notification activates an administration application to cause the notification to be displayed on the administration server and to enable a connection from the administration server to the computer system over the communication channel.

4. The method of claim 1, wherein the method is performed iteratively.

5. The method of claim 1, further comprising performing a subsequent comparison of a subsequent current processing power to the maximal power and a subsequent comparison of the RT-StdDev to the RT-StdDevMaxPower in determining a normal state, wherein no notification is generated.

6. A computer program product for operating a computer system, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to:

collect, from the computer system, data indicative of variations in throughput and response time over a period of time;

calculate processing power of the computer system over the period of time;

record a maximal power;

calculate a standard deviation of the response time (RT-StdDev);

record the standard deviation of the response time corresponding to a time of the maximal power (RT-StdDevMaxPower); and

generate a notification that the computer system is in a bottleneck state using a comparison of a current processing power to the maximal power and a comparison of the RT-StdDev to the RT-StdDevMaxPower.

7. The computer program product of claim 6, further comprising the program instructions executable by the processor to cause the processor to confirm, before generating the notification, the bottleneck state using a buffer of the maximal power (MaxPowerBuffer) and a buffer of standard deviation of response time (StdDevBuffer) and generating the notification upon determining that the current processing power is less than the maximal power multiplied by the MaxPowerBuffer and that the RT-StdDev is greater than the RT-StdDevMaxPower multiplied by a sum of 1 and the StdDevBuffer.

8. The computer program product of claim 6, further comprising the program instructions executable by the processor to cause the processor to transmit the notification over a communication channel to an administration server associated with the computer system, wherein the notification activates an administration application to cause the notification to be displayed on the administration server and to enable a connection from the administration server to the computer system over the communication channel.

9. The computer program product of claim 6, further comprising iteratively executing the program instructions by the processor.

10. The computer program product of claim 6, further comprising performing a subsequent comparison of a subsequent current processing power to the maximal power and a subsequent comparison of the RT-StdDev to the RT-StdDevMaxPower in determining a normal state, wherein no notification is generated.

11. A computer system comprising:

a load driver generating a workload;

an application module embodied in computer executable code executed by a processor of the computer system and processing the workload;

an agent collecting throughput and response time data about the computer system executing the application module and processing the workload; and

an abnormality detection system detecting an abnormal state of the computer system executing the application module and processing the workload, wherein the abnormality detection system receives the throughput and response time data from the agent and determines a notification by calculating an average throughput, an average response time, a current power, and a filtered response time.

12. The computer system of claim 11, wherein the abnormality detection system transmits the notification over a communication channel to an administration server associated with the computer system, wherein the notification activates an administration application to cause the notification to be displayed on the administration server and to enable a connection from the administration server to the computer system over the communication channel.

13. The computer system of claim 11, wherein the abnormality detection system transmits the notification upon determining a plurality of abnormal states of the computer system at a rate greater than a threshold over time.