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November 18, 2019 | San Diego, California
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Monday, November 18 • 2:50pm - 3:10pm
A ZooKeeper Layer for FoundationDB - Paul Hemberger, HubSpot

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ZooKeeper plays a central role in coordinating many distributed systems. It is also itself a distributed system and can be pushed to its scaling limits, particularly with high write volume.

Can we simplify operations by replacing yet another system with FoundationDB?

What happens to system design when clients have access to a ZooKeeper ensemble that is easily scaled? And offers not just sequential consistency across replicas, but strict serializability?

This talk will examine the building blocks of a proof-of-concept ZooKeeper layer for FDB. First, we'll compare the data models, consistency guarantees, and watch semantics of ZK vs FDB. Then, we'll dig into the specifics of how to emulate ZK by leveraging the Directory Layer for the data model, changefeeds for ZK watches, and evaluate different approaches to essential components like ephemeral nodes and session management.

Speakers
avatar for Paul Hemberger

Paul Hemberger

Tech Lead, HubSpot
Paul Hemberger is a Tech Lead at HubSpot, located in Cambridge, MA. His primary concerns are the correctness, reliability and performance of the CRM, with a particular focus on list segmentation and reporting.



Monday November 18, 2019 2:50pm - 3:10pm PST
Grand Ballroom 8
  Building Layers
  • Session Slides Included Yes