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Robert Zych

@zychr.bsky.social

378 followers 180 following 42 posts

Software Engineer @ Raft, Apache Pinot Contributor, lives in Sacramento area.

Posts Replies Media

Robert Zych @zychr.bsky.social · 08/03/2025

For this demo I generated a 100TB data set (50GB/min) and maintained sub-second query latencies teamraft.com/resources/in...

teamraft.com

Secure & Low-Latency Queries at scale with Raft Data Platform - [R]DP - Raft | Operationalize Data & Agentic AI

Raft is a DefenseTech Product company on a mission to connect humans with data at the edge. One of our products is the Raft Data Platform -[R]DP. We’ve built the [R]DP and operationalized it in severa...

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Reposted by Robert Zych

Kaivalya Apte @thegeeknarrator.bsky.social · 02/02/2025

The JVM internals series - #5 is out.. This episode lays out a good foundation for us to go into the internals of each of the amazing GCs and their tradeoffs. Become a member to access the upcoming internals episode.. Meanwhile watch this video (free access until tomorrow). youtu.be/p1Yamdly0QE

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Robert Zych @zychr.bsky.social · 25/01/2025

With @apachepinot.bsky.social I can query a 100TB data set and using it’s Star-tree index can get 20ms query latency!

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Robert Zych @zychr.bsky.social · 17/12/2024

@startreedata.bsky.social Thank you and Merry Christmas! My community box arrived last night and with my winnings from the MI competition I recently purchased a pair of skis. #startree

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Robert Zych @zychr.bsky.social · 07/12/2024

@apachepinot.bsky.social It's a bit early for xmas, but thanks for all the features! youtu.be/gwcL7O0o6W4?...

youtu.be

Meetup: Apache Pinot Year in Review 2024

YouTube video by StarTree

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Robert Zych @zychr.bsky.social · 04/12/2024

@apachepinot.bsky.social Welcome!

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Robert Zych @zychr.bsky.social · 03/12/2024

Last night, I was exploring thread safety issues with ChatGPT. It only took two attempts to generate a test that exposed the lack of a synchronized block for a section that updates multiple member variables. #java

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Robert Zych @zychr.bsky.social · 19/11/2024

What does this program output? #java

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Reposted by Robert Zych

Jaz @jaz.sh · 13/11/2024

90 days ago Bluesky had 6.18M users 30 days ago Bluesky had 10.85M users Tomorrow Bluesky will have 15M users This is absolutely wild, thanks for believing in us y'all

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Robert Zych @zychr.bsky.social · 05/11/2024

In which cases is performance more important than correctness? Approximations. Like Pinot’s DISTINCTCOUNTHLL which returns an approximate distinct count using HyperLogLog. Does anyone else have a good example?

approximations.like

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Robert Zych @zychr.bsky.social · 29/10/2024

Working on JSON predicate pushdown for the Trino-Pinot connector: contains((1,2,3), json_extract_scalar(json, '$.key`)) -> json_match(json, '$.key in (1,2,3)') json_array_contains(json_extract(json, '$.array'), value) -> json_match(json, '$.array[*] = value') json_match uses Pinot's JSON index

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Robert Zych @zychr.bsky.social · 08/08/2023

It’s a good sign when a friend surprisingly welcomes you on your 1st day at a new job. Thanks @nbuesing.bsky.social !

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