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August 17–August 20, 2020
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Thursday, August 20 • 13:00 - 13:35
Capacity-aware Dynamic Volume Provisioning For LVM Local Storage - Kazuhito Matsuda & Satoru Takeuchi, Cybozu

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This session presents a summary of the existing Kubernetes features to use local storage devices (e.g. hostPath and local persistent volumes) in first, then introduces a novel CSI plugin named TopoLVM.

Applications that can replicate data themselves (e.g. Elasticsearch, MySQL, Ceph) are promising users of local storage because of their needs for lower prices and higher I/O performance storage. Although existing ways enable to use of local storage, the following desired features are not provided yet:

- Raw block volume
- Capacity-aware dynamic provision
- Online volume resizing

To satisfy these features, the authors created a novel CSI plugin named TopoLVM. It dynamically creates logical volumes of LVM and extends the standard Pod scheduler to consider volume group capacity of each node. Besides, it intends to support more features including online resizing.
Speakers
avatar for Satoru Takeuchi

Satoru Takeuchi

Software Developer, Cybozu
He is a developer of an on-premise Kubernetes cluster and Rook/Ceph cluster since 2018. Before that, he has been a Linux kernel developer since 2005. He has committed to process scheduler, CPU/PCI hotplug, ktest, Btrfs, and so on.He made a presentation named "Btrfs - Current Status... Read More →
avatar for Kazuhito Matsuda

Kazuhito Matsuda

Software Engineer, Cybozu
He received the Ph.D. degree in Information and Computer Sciences from Osaka University in Japan and works at FUJITSU LABORATORIES LTD. He is now contributing to the open-source Neco because he has interests in networking and distributed systems on data-center.Speaking experience... Read More →

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Thursday August 20, 2020 13:00 - 13:35 CEST
InXpo https://onlinexperiences.com/Launch/Event.htm?ShowKey99259
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