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June 25 - 27 - Beijing, China
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Wednesday, June 27 • 14:20 - 15:00
Bcache Stability: Improvement for Cloud Infrastructure - Coly (Yong) Li, SUSE (slides attached)

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Bcache was merged as a block layer cache in Linux v3.10. Although there are bug reports time to time, it has been deployed in various systems of cloud infrastructure in the past five years.

Since 2017 we have more active developers (most of them are from China) to contribute many critical stability fixes. These fixes address issues from deadlock, I/O hang, kernel oops. Especially when cache or cached devices are failed or gone, bcache device can be stopped precisely and elegantly (panic on failure is unnecessary anymore). The stability of bcache has huge improvement, and it is ready for more work loads from large scaled could infrastructure for now days.

This presentation will share the information with audience how bcache becomes more stable and what issues people don't need to worry about, and how the stability of bcache is ready for large scaled cloud infrastructure.

avatar for Coly (Yong) Li

Coly (Yong) Li

Software Engineer, SUSE
Linux kernel developer from SUSE Labs, working on block layer and maintain md/dm/bcache for SUSE Linux Enterprise Server kernel. In year 2010-2015, I initiated Linux kernel engineering team for Taobao Core Infrastructure and then led cold data storage development for Alibaba Site... Read More →

Wednesday June 27, 2018 14:20 - 15:00 CST