Graph Day 2022 - Indexing Improvements via Substreams, with Sebastian Siemssen of The Graph Council

Subgraph developer and The Graph Council member Sebastien Siemssen described the world’s past struggle for data access in web2 and how subgraphs change how we interact with data in web3. Siemssen also reflects on how scaling indexing performance is a matter of parallelization. Consequently, Siemssen introduced substreams, which are fully parallelizable, infinitely composable, highly reusable & cacheable data streams, that are about to increase subgraph syncing speeds by orders of magnitude.

Read more about Substreams and how they will improve indexing speeds over 100x:

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Time Stamps
0:00 Intro
0:15 Indexing improvements
6:33 Substreams

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Is there any record about the presentation mention at the end? Learn more about Substreams at Graph Hack, from Alex on June 2nd? I want to learn more but found no significant source.