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Thursday, March 23 • 4:25pm - 5:15pm
Overlayfs And Containers - Vivek Goyal & Miklos Szeredi, Red Hat

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Overlayfs is a relatively new filesystem which implements copy on write semantics at the file level. It is specially gaining popularity in the container world where container technologies like docker are using overlayfs for image and container storage.

This talk plans to give an overview of overlayfs design, what are some of the outstanding concerns and what is being done to address those upstream. It also provides some details of how docker makes use of overlayfs and how it provided some significant speed up w.r.t
devicemapper. In the end the talk dives into details of SELinux support recently added to overlayfs, what were some of the challenges and how these were handled.


Vivek Goyal

Vivek Goyal works as a principal software engineer at Red Hat in Westford, MA, | USA. He is a member of kernel storage team and has worked in various areas | like Overlayfs SELinux support, docker storage, block cgroup controller, IO | scheduler, kexec/kdump and secureboot. | | Vivek has presented block IO controller at LSF/MM, | kexec for signed kernels at Linux Plumbers and kdump at OLS.
avatar for Miklos Szeredi

Miklos Szeredi

Senior Software Engineer, Red Hat
Miklos Szeredi is a Linux kernel hacker working for Red Hat. He has been interested in virtual filesystems for a long time, starting several open source projects including Filesystem in Userspace (FUSE) and the Overlay Filesystem.Prior to joining Red Hat, he has worked at SUSE Labs and at Ericsson. Miklos Szeredi has talked about his projects at internal company events and conducted a workshop about FUSE at at the NIIF institute.

Thursday March 23, 2017 4:25pm - 5:15pm
Paul Revere AB

Attendees (9)