MemoryDB: Speed, Durability, and Composition.

MemoryDB: Speed, Durability, and Composition. Blocks are fun. Earlier this week, my colleagues Yacine Taleb, Kevin McGehee, Nan Yan, Shawn Wang, Stefan Mueller, and Allen Samuels published Amazon
MemoryDB: A fast and durable memory-first cloud database1. I’m excited about this paper, both because its a very cool system, and because it gives us an opportunity to talk about the power of composition...
Radius is Now a Cloud Native Compute Foundation (CNCF) Sandbox Project

The Microsoft Azure Incubations Team recently announced the approval of Radius as a Cloud Native Compute Foundation (CNCF) sandbox project. Radius is a cloud-native, cloud-agnostic application platform that the CNCF has recognized as having the potential to contribute to the cloud-native ecosystem. Radius empowers developers and platform engineers to collaborate easily in delivering and managing cloud-native applications that align with corporate...
Improving Vald Search Performance through Parameter Tuning

In our initial validation for Hybrid Search, we collectively ran a standalone search quality test using Vald and discovered a surprisingly low. With low search quality, it is not easy to pinpoint how much Hybrid Search impacts the overall search results. As a team, we decided first to optimize Vald’s parameters and improve its search quality to gain a clearer...
Insider Threat Protection: How DDR Can Help

In 2023, Tesla suffered a massive data breach that affected 75,000 employees whose data, including names, phone numbers, and Social Security Numbers were leaked. According to the media outfit to which the data was leaked, even billionaire CEO Elon Musk‘s Social Security number was included in the over 100 gigabytes of leaked data. Investigations identified two former employees as responsible for...
Event time skew in stream processing

As a data engineer you're certainly familiar with data skew. Yes, this bad phenomena where one task takes considerably more input than the others and often causes unexpected latency or failures. Turns out, stream processing also has its skew but more related to time.
Gap Analysis in Software Testing

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Tag: Pandas

pandas on spark apply_batch/transform_batch broken? (tl;dr; No – but it isn’t well documented)

pandas on spark apply_batch/transform_batch broken? (tl;dr; No – but it isn’t well documented)

Published by Arnon Rotem-Gal-Oz on October 16, 2022

Using pypark’s pandas integration via apply_batch and transform_batch is very powerful but lacking documentation can cause hard to trace bugs – hopefully my experience (below)…