OpenZFS Developer Summit 2017

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OpenZFS Dev Summit 2017

The fifth annual OpenZFS Developer Summit was held October 24-25, 2017 in San Francisco. As with previous years: The goal of the event is to foster cross-community discussions of OpenZFS work and to make progress on some of the projects we have proposed. The first day of the event is presentations, and the second day is combined presentations and a hackathon. New contributors are welcome at the hackathon!

Talks: Day 1

Main talks, typically 45 minutes each.

Title Speaker Company
State of the Union Matt Ahrens Delphix
Keynote: ZFS Past & Future Mark Maybee Oracle
ZSTD Compression Allan Jude ScaleEngine
Fast Clone Deletion Sara Hartse Delphix
MMP: Safe "zpool import" for Clusters Olaf Faaland LLNL
lunch break
Porting With OSX Jorgen Lundman independent
Faster Allocation with the Log Spacemap Serapheim Dimitropoulos Delphix
iFlash: Dynamic Adaptive L2ARC Caching Shailendra Tripathi Tegile
DRAID Isaac Huang Intel
ZIL Performance: How I Doubled Sync Write Speed [1] Prakash Surya Delphix

Talks: Day 2

Title Speaker Company Video Slides
"Oh Shift!" changing the allocation size George Wilson Delphix Video
A proposal for 1,000x better dedup performance Matt Ahrens Delphix Video
New prefetcher for sequential scrub Tom Caputi Datto Video
Storage Pool Checkpoint Serapheim Dimitropoulos Delphix Video
Improving resilver: results & operational impacts Saso Kiselkov Nexenta Video
RAID-Z Expansion Matt Ahrens Delphix + FreeBSD Foundation Video

Hackathon Projects

Audience choice awards:

Prize Project Participants
1st place ZTOUR, which mixes ZDB with FUSE, allowing you to explore the internals of the ZFS on-disk format with a file browser Don Brady, Pavel Zakharov, Prashanth Sreenivasa
2nd place FIEMAP, which makes file segment info from ZFS available via the standard Linux API Brian Behlendorf
3rd place MDB on Linux: porting the illumos kernel debugger MDB to Linux Seb Roy, Serapheim Dimitropoulos, Prakash Surya, John Kennedy

Additional projects:

Uploading videos from this morning
FreeNAS Test Integration
ZFS Property Setting in Channel Programs
Compressed+deduped send stream bug fix
Metaslab allocation PR testing
Proposed deduplication improvements
Combined smart compression and backing off compression level
zfs send / receive for windows
Optimized Fletcher4 port to illumos
Man page updates for Linux (default values)
Benchmark to create large directory structures
ztest reproducibility
Tags for controlling the ZFS Test Suite

Thank You 2017 Sponsors!

Platinum Sponsors

  • datto
  • Delphix
  • GitHub
  • Nexenta
  • OpenDrives
  • OVH

Gold Sponsors

  • Intel
  • iXSystems
  • Syneto

Silver Sponsors

  • FreeBSD Foundation

Bronze Sponsors

  • reevert

Coffee Sponsor

  • MyNAS


Please reach out to kritter at delphix dot com for sponsorship opportunities

Harassment Policy

OpenZFS Developer Summit is dedicated to providing a harassment-free conference experience for everyone, regardless of gender, gender identity and expression, sexual orientation, disability, physical appearance, body size, race, age or religion. We do not tolerate harassment of conference participants in any form. Sexual language and imagery is not appropriate for any conference venue, including talks. Conference participants violating these rules may be sanctioned or expelled from the conference at the discretion of the conference organizers.

For information about last year's event, see the OpenZFS Developer Summit 2016 page.