@pushrax

co-founder @turbopuffer 🐡 https://xitter.cf/t.co/mtMH8YDlpy đŸŽ¶

 Canada
j-li.net
Joined April 2011
  • Tweets108
  • Following151
  • Followers1.1K
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justine li retweeted
Simon Eskildsen
@SirupsenMay 21
turbopuffer crossed $100M run-rate in March. 19mo after $1M. Profitable & <$1M raised. Cursor・Anthropic・Notion・Cognition・Harvey・Bridgewater・Ramp・Linear・Legora・Superhuman・Atlassian・Granola We’d be nowhere without them. We work like hell to exceed their expectations.
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rkyv is a great rust library, query cpu consumption is down by ~65% since switching from bincode in @turbopuffer (depending on the traffic shape) also has a big effect on bottom line query latency for large namespaces using attributes
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justine li retweeted
Jamie Wong@jlfwong30 Apr 2024
Canadians, if you‘re considering switching to a heat pump to heat and cool your home, and you’re curious about utility bill costs, pay back period, and reduction in greenhouse gas emissions, I made a thing for you. Link 👇
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recent satisfying perf ships to @turbopuffer: - flash-friendly fifo based cache, inspired by dl.acm.org/doi/pdf/10.1145/3
; ~40% faster cache fills, reads/writes now saturate nvme - new index compaction approach; up to ~70% faster cold queries
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first week at turbopuffer.com! ✅ tracing with datadog ✅ new rocksdb cache ✅ optimized cold queries the slowest queries are so much faster that the cache doesn't have time to fill before the test finishes! cache hits are serde dominated, zerocopy on the roadmap
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Made a tool for autocalibrating VR spaces, so you can use Vive + Rift or any other combo without a painful setup process. youtube.com/watch?v=W3TnQd9J

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I wonder what's worse: not realizing when you're leaking goroutines/timers/etc, or intentionally leaking them because it's probably not much memory and the code to ensure they exit would make things more complex.
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Shopify has now been running out of multiple datacenters for more than a month, including for Black Friday and Cyber Monday. Huge ship!
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rails -> kafka -> go -> websockets incoming.shopify.com/ ready for black friday / cyber monday @shopify

bfcm.shop

Access real-time global shopping stats on Shopify this Black Friday Cyber Monday

bfcm.shopify.com
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education is a losing battle, that's why we invented compilers — @xldenis
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How to know if an address is a ship (code from Shopify): def us_navy_ship? code == 'US' && zip =~ /\AFPO\s*A[A-Z]\s*\d{5}-\d{4}\z/i end
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Excited to be speaking at nginx.conf in Austin this week! Sharing how @Shopify relies on nginx and Lua for scaling flash sales. #nginxconf
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Someone needs to write a KSP mod that can run the Apollo 11 flight control code ibiblio.org/apollo/listings/

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Huge milestone in AI! AlphaGo beats the world champion Lee Sedol! We made history! What an incredible moment! :-)
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If you're going to RailsConf, make sure to check out Emil's talk! xitter.cf/EmilStolarsky/status/7

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Tinkering with distributed gossip clusters in Go for #sehackday
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Verifying myself: I am pushrax on Keybase.io. KuYtufccL4drKCSCALnB1N9bKy27MGC4keWi / keybase.io/pushrax/sigs/KuYt

Playing around with #webrtc at #sehackday
A new camera, and an old cat: 500px.com/photo/42337346, 500px.com/photo/42337582
TIL, add \G to the end of a MySQL query and it'll output much more readably for result sets with lots of columns. #protip
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