Papers › Cloud Uptime Archive: Open-Access Availability Data of Web, Cloud, and Gaming Services
Cloud Uptime Archive: Open-Access Availability Data of Web, Cloud, and Gaming Services
Sacheendra Talluri, Dante Niewenhuis, Xiaoyu Chu, Jakob Kyselica, Mehmet Cetin, Alexander Balgavy, Alexandru Iosup
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Cloud services are critical to society. However, their reliability is poorly understood. Towards solving the problem, we propose a standard repository for cloud uptime data. We populate this repository with the data we collect containing failure reports from users and operators of cloud services, web services, and online games. The multiple vantage points help reduce bias from individual users and operators. We compare our new data to existing failure data from the Failure Trace Archive and the Google cluster trace. We analyze the MTBF and MTTR, time patterns, failure severity, user-reported symptoms, and operator-reported symptoms of failures in the data we collect. We observe that high-level user facing services fail less often than low-level infrastructure services, likely due to them using fault-tolerance techniques. We use simulation-based experiments to demonstrate the impact of different failure traces on the performance of checkpointing and retry mechanisms. We release the data, and the analysis and simulation tools, as open-source artifacts available at https://github.com/atlarge-research/cloud-uptime-archive .
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