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Computer Science > Operating Systems

arXiv:2104.12721 (cs)
[Submitted on 26 Apr 2021]

Title:Unikraft: Fast, Specialized Unikernels the Easy Way

Authors:Simon Kuenzer, Vlad-Andrei Badoiu, Hugo Lefeuvre, Sharan
Santhanam, Alexander Jung, Gaulthier Gain, Cyril Soldani, Costin Lupu
, Stefan Teodorescu, Costi Raducanu, Cristian Banu, Laurent Mathy,
Razvan Deaconescu, Costin Raiciu, Felipe Huici
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    Abstract: Unikernels are famous for providing excellent
    performance in terms of boot times, throughput and memory
    consumption, to name a few metrics. However, they are infamous
    for making it hard and extremely time consuming to extract such
    performance, and for needing significant engineering effort in
    order to port applications to them. We introduce Unikraft, a
    novel micro-library OS that (1) fully modularizes OS primitives
    so that it is easy to customize the unikernel and include only
    relevant components and (2) exposes a set of composable,
    performance-oriented APIs in order to make it easy for developers
    to obtain high performance.
    Our evaluation using off-the-shelf applications such as nginx,
    SQLite, and Redis shows that running them on Unikraft results in
    a 1.7x-2.7x performance improvement compared to Linux guests. In
    addition, Unikraft images for these apps are around 1MB, require
    less than 10MB of RAM to run, and boot in around 1ms on top of
    the VMM time (total boot time 3ms-40ms). Unikraft is a Linux
    Foundation open source project and can be found at this http URL.

Comments: 19 pages, 22 figures, 7 tables, conference proceedings
Subjects: Operating Systems (cs.OS)
DOI:      10.1145/3447786.3456248
Cite as:  arXiv:2104.12721 [cs.OS]
          (or arXiv:2104.12721v1 [cs.OS] for this version)

Submission history

From: Alexander Jung [view email]
[v1] Mon, 26 Apr 2021 17:07:07 UTC (1,311 KB)
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