Software at Scale 22 - Sujay Jayakar


Manage episode 293983097 series 2899471
By Utsav Shah. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

Sujay Jayakar was a Software Engineer at Microsoft Research where he worked on kernel bypass networking. He was previously a Principal Engineer at Dropbox where he worked on the migration of user data from S3 to the internal storage system (Magic Pocket), and the sync engine deployed to clients.

Apple Podcasts | Spotify | Google Podcasts


05:00 - What framework do you use to decide to stop using S3 and store data in your own data centers? (the “Epic Exodus” story)

11:00 - Perfect Hashtables and how they are used in production systems to reduce memory use

14:00 - What is an OSD? (Object Storage Device). How does it work?

20:30 - SMR drives

30:00 - The actual data migration - how did it happen, and how does one validate that the data being transferred is correct.

33:00 - “S3 being overwhelmed”. That’s a string of words most software developers don’t expect to hear. What kind of overhead do kernels impose on networking, and why?

43:00 - What is Kernel Bypass Networking?

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit

53 episodes