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Investigation of Software Aging Effects on the OpenStack Cloud Computing Platform

机译：调查软件老化对OpenStack云计算平台的影响

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摘要

One of the most important goals for companies that provide cloud computing services is to maintain high availability on large computer systems. Therefore, to accomplish such objective it is necessary to determine the main causes and the main problems associated with it. Many of these problems are related with software failures, for instance software aging. Software aging is a degrading factor in systems, leading to software failures, poor performance and may result in system downtime. This paper investigates the software aging effects on the Openstack cloud computing platform. The environment was tested using a stressful workload, and monitored through Bash scripts that collects information about the utilization of hardware resources, as well as information about processes related to the platform. The results indicate software aging issues in the MySQL process; a growth on the memory consumption was detected, and a prediction analysis was also used to estimate the resources utilization in the future.
机译：对于提供云计算服务的公司来说，最重要的目标之一就是保持大型计算机系统上的高可用性。因此，为了实现该目标，有必要确定与之相关的主要原因和主要问题。其中许多问题与软件故障有关，例如软件老化。软件老化是系统中的一个降级因素，导致软件故障，性能不佳并可能导致系统停机。本文研究了软件老化对Openstack云计算平台的影响。使用繁重的工作负载对环境进行了测试，并通过Bash脚本进行了监视，该脚本收集了有关硬件资源利用率的信息以及与平台相关的流程的信息。结果表明MySQL进程中存在软件老化问题;检测到内存消耗的增长，并且还使用了预测分析来估计将来的资源利用率。

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