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Vinoth Chandar @byte_array

Founder @Onehousehq, Creator of @apachehudi, Built the World's first #DataLakehouse, Distributed/Data Systems, Linkedin, Uber, Confluent alum. (views are mine) bytearray.io Joined April 2009
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Vinoth Chandar @byte_array

a day ago

💰🔥 Spark’s default autoscaler = higher latency scaling up, wasted $$ scaling down. Why? It’s based on task backlog, not actual resource usage. Costly flaw. Result: 🐢 Slow scale-ups (e.g. too few Kafka partitions during spikes) 🐢 Slow scale-downs (e.g. many tiny tasks →…

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Vinoth Chandar @byte_array

5 days ago

📊 If you’re using Apache Spark on EMR (or anywhere really), you need better visibility into where your compute spend is going. At Onehouse, we kept seeing the same pattern across Hudi and non-Hudi users alike: 👉 Jobs were under-optimized 👉 Executors were sitting idle 👉…

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Vinoth Chandar @byte_array

7 days ago

🗞️ OLD NEWS: but worth a shout-out. Keys are optional in Hudi ... One of Hudi’s core goals was to remove friction from building data lakes. That’s why — for a long time now — Hudi has quietly supported auto-generation of record keys. No need to think up a key field just to get…

Vinoth Chandar retweeted
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Onehouse @Onehousehq

2 months ago

🎉 We're happy to share that 7 chapters are now available in the early release of "Apache Hudi™: The Definitive Guide" - the first book ever written about @apachehudi, one that's about to change how you think about data lakes. 👉 Get a free copy of the early release e-book:…

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