Spanner

product on 4 shows · 7 statements across 5 episodes · said 4 times in 1 episodes

Top Founders the MAD Podcast the a16z Podcast 20VC

7 statements about Spanner, every show

a16z Assertion Not checkable as stated
Vahdat: Google estimated Bigtable to Spanner migration required 7,000 staff-years
“The estimate for doing that migration for Google was seven staffed millennia.”
Amin Vahdat Oct 29, 2025 ▶ 24:49 Building the Real-World Infrastructure for AI, with Google, Cisco & a16z
MAD What-if
Kimball: Most database problems at Square were solvable with Spanner
“If you looked at all the problems Square was having, and they had something like 70 externally facing use cases when we joined them, most of the problems that they were struggling with could have been solved with the use of something like Spanner.”
Spencer Kimball Nov 17, 2022 ▶ 7:38 A Cloud SQL Database Built for Survival | Cockroach CEO & Co-Founder, Spencer Kimball
MAD Assertion Partly supported
Kimball: Google ran over 1,000 MySQL shards for a decade before Spanner
“Google didn't replace that system with Spanner, I think for almost 10 years. So by that time it had gotten to a thousand plus shards of MySQL.”
Spencer Kimball Nov 17, 2022 ▶ 49:20 A Cloud SQL Database Built for Survival | Cockroach CEO & Co-Founder, Spencer Kimball
MAD Assertion Contradicted
Chia: Google Spanner eliminates operational differences between and within shards
“And in Spanner, it's a little bit nicer in that every shard behaves the same, and because we have technologies like, ah, two-phase commit, We are, you don't really have any difference between operating within a shard or across shards, but it's not always true …”
Daniel Chia Feb 25, 2019 ▶ 5:06 Dynamic Range Sharding with Spanner // Daniel Chia, Google Spanner (FirstMark's Data Driven NYC)
MAD Assertion Supported
Chia: All Spanner RPCs address specific data rather than machine names
“All RPCs in Spanner are addressed to specific pieces of data rather than the machine name.”
Daniel Chia Feb 25, 2019 ▶ 13:07 Dynamic Range Sharding with Spanner // Daniel Chia, Google Spanner (FirstMark's Data Driven NYC)
20VC Assertion Contradicted
Kimball: Google replaced all sharded MySQL with Spanner and Bigtable
“Spanner is the database technology that Google has used to consolidate all of their various applications on top of. So they no longer use Sharded MySQL. Everything's on Spanner or on Bigtable.”
Spencer Kimball Apr 14, 2017 ▶ 4:22 20VC: How Investors Can Get Into The Best Deals & Why Founders First Point Of Contact Should Be With The Investment Decision-Maker with Spencer Kimball, Founder & CEO @ Cockroach Labs
TOP FOUNDERS Assertion Supported
Tamayo: Scollar partnered with Spanner, the original Fitbit engineering team
“In fact, Nathan the Fitbit engineering team spanner is partnered with us on this particular product, the scholar mini.”
Lisa Tamayo Feb 10, 2017 ▶ 4:07 EP 566: Scollar Founder Sold Company to AutoDesk in 08 Now Making $99 Smart Pet Collar with CEO Lisa Tamayo

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