Miguel Ángel Pastor Olivar
@migue.bsky.social
Proud dad and husband
Real Time Analytics Query Architecture Evolution @ Uber youtu.be/atzrfHUeq30
Real Time Analytics Query Architecture Evolution @ Uber (Ankit Sultana)
CMU-DB Group Meeting
Speaker: Ankit Sultana (https://ankitsultana.com)
November 4, 2025
youtube.com
November 22, 2025 at 9:21 AM
Real Time Analytics Query Architecture Evolution @ Uber youtu.be/atzrfHUeq30
Readings in Database Systems Fifth Edition www.redbook.io/pdf/redbook-5th-edition.pdf
www.redbook.io
November 21, 2025 at 7:04 AM
Readings in Database Systems Fifth Edition www.redbook.io/pdf/redbook-5th-edition.pdf
Building a durable execution engine with SQLite www.morling.dev/blog/buildin...
Building a Durable Execution Engine With SQLite
Lately, there has been a lot of excitement around Durable Execution (DE) engines. The basic idea of DE is to take (potentially long-running) multi-step workflows, such as processing a purchase order…
www.morling.dev
November 20, 2025 at 8:28 PM
Building a durable execution engine with SQLite www.morling.dev/blog/buildin...
I/O Observability for Uber’s Massive Petabyte-Scale Data Lake
I/O Observability for Uber’s Massive Petabyte-Scale Data Lake | Uber Blog
As Uber’s data infrastructure evolves toward a hybrid cloud architecture, understanding data access patterns across our platform is more critical than ever. This data I/O (Input/Output) observability...
www.uber.com
November 20, 2025 at 4:16 PM
I/O Observability for Uber’s Massive Petabyte-Scale Data Lake
Cloudflare outage on November 18, 2025 blog.cloudflare.com/18-november-...
Cloudflare outage on November 18, 2025
Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.
blog.cloudflare.com
November 20, 2025 at 9:21 AM
Cloudflare outage on November 18, 2025 blog.cloudflare.com/18-november-...
Have your Iceberg Cubed, Not Sorted: Meet Qbeast, the OTree Spatial Index jack-vanlightly.com/blog/2025/11...
Have your Iceberg Cubed, Not Sorted: Meet Qbeast, the OTree Spatial Index — Jack Vanlightly
In today’s post I want to walk through a fascinating indexing technique for data lakehouses which flips the role of the index in open table formats like Apache Iceberg and Delta Lake. We are going…
jack-vanlightly.com
November 19, 2025 at 4:16 PM
Have your Iceberg Cubed, Not Sorted: Meet Qbeast, the OTree Spatial Index jack-vanlightly.com/blog/2025/11...
Firebolt: Why Powering User Facing Applications on Iceberg is Hard www.youtube.com/watch?v=Vf-N...
Firebolt: Why Powering User Facing Applications on Iceberg is Hard (Benjamin Wagner)
CMU Database Group - Future Data Systems Seminar Series (Fall 2025)
Speaker: Benjamin Wagner (https://www.linkedin.com/in/wagjamin/)
November 10,…
www.youtube.com
November 19, 2025 at 12:15 PM
Firebolt: Why Powering User Facing Applications on Iceberg is Hard www.youtube.com/watch?v=Vf-N...
Why Strong Consistency? brooker.co.za/blog/2025/11...
Why Strong Consistency? - Marc's Blog
Eventual consistency makes your life harder.
brooker.co.za
November 18, 2025 at 6:17 PM
Why Strong Consistency? brooker.co.za/blog/2025/11...
Scaling Replicated State Machines with Compartmentalization [Technical Report]
Scaling Replicated State Machines with Compartmentalization...
State machine replication protocols, like MultiPaxos and Raft, are a critical component of many distributed systems and databases. However, these protocols offer relatively low throughput due to several...
arxiv.org
November 15, 2025 at 4:16 PM
Scaling Replicated State Machines with Compartmentalization [Technical Report]
No Cords Attached: Coordination-Free Concurrent Lock-Free Queues
No Cords Attached: Coordination-Free Concurrent Lock-Free Queues
The queue is conceptually one of the simplest data structures-a basic FIFO container. However, ensuring correctness in the presence of concurrency makes existing lock-free implementations…
arxiv.org
November 15, 2025 at 9:21 AM
No Cords Attached: Coordination-Free Concurrent Lock-Free Queues
Latency Profiling and Optimization
Latency Profiling and Optimization - Dmitry Vyukov
About Dmitry Vyukov
Dmitry is a Principal Software Engineer at Google. He works on dynamic analysis tools for C/C++ (like Address/Memory/ThreadSanitizer), similar tools for the Linux kernel, and…
youtube.com
November 14, 2025 at 7:26 AM
Latency Profiling and Optimization
How we optimize RocksDB in TiKV (Part 1) : The Battle Against the DB Mutex medium.com/@siddontang/...
How we optimize RocksDB in TiKV (Part 1) — The Battle Against the DB Mutex
When we started building TiKV nine years ago, we chose RocksDB as our storage engine. And for good reasons — it’s a highly efficient…
medium.com
November 13, 2025 at 9:21 AM
How we optimize RocksDB in TiKV (Part 1) : The Battle Against the DB Mutex medium.com/@siddontang/...
Lessons learnt from building a L4 load balancing service
SREcon25 Europe/Middle East/Africa - HyperRouter: Lessons Learnt from Building an L4 Load...
HyperRouter: Lessons Learnt from Building an L4 Load Balancing ServiceLinhua Tang and Jayaganesh Kalyanasundaram, Huawei Ireland Research CenterThis talk sha...
youtube.com
November 12, 2025 at 4:16 PM
Lessons learnt from building a L4 load balancing service
Mooncake: Real-Time Apache Iceberg Without Compromise
Mooncake: Real-Time Apache Iceberg Without Compromise (Cheng Chen)
CMU Database Group - Future Data Systems Seminar Series (Fall 2025)Speaker: Cheng Chen (https://www.linkedin.com/in/cheng-ch/)November 10, 2025https://db.cs....
youtube.com
November 12, 2025 at 9:21 AM
Mooncake: Real-Time Apache Iceberg Without Compromise
Amazon DSQL talk
Amazon DSQL talk by Mark Brooker.
Mark Brooker, VP and Distinguished Engineer at AWS, discusses Aurora DSQL, a new global, serverless, scalable relational database system developed at AWS. He...
youtu.be
November 10, 2025 at 9:21 AM
Amazon DSQL talk
I’ve decided to start collecting some of the random things I usually post here, so they’re easier to find later: migue.github.io/posts/2025-1...
Some interesting resources
A small collection of random things I’ve found interesting during the last few weeks. Each section includes a short note about the content (nothing more). You’ll find books, papers, articles, and…
migue.github.io
November 9, 2025 at 8:43 AM
I’ve decided to start collecting some of the random things I usually post here, so they’re easier to find later: migue.github.io/posts/2025-1...
Async QUIC and HTTP:3 made easy- tokio-quiche is now open-source blog.cloudflare.com/async-quic-a...
Async QUIC and HTTP:3 made easy- tokio-quiche is now open-source
We’re excited to announce the open sourcing of tokio-quiche, our async QUIC library built on quiche and tokio. Relied upon in our services such as iCloud Private Relay and our next-generation…
blog.cloudflare.com
November 7, 2025 at 4:16 PM
Async QUIC and HTTP:3 made easy- tokio-quiche is now open-source blog.cloudflare.com/async-quic-a...
How To Scale Your Model. A Systems View of LLMs on TPU
How To Scale Your Model
Training LLMs often feels like alchemy, but understanding and optimizing the performance of your models doesn't have to. This book aims to demystify the science of scaling language models: how TPUs (and...
jax-ml.github.io
November 6, 2025 at 4:53 PM
How To Scale Your Model. A Systems View of LLMs on TPU
Still Asking: How Good Are Query Optimizers, Really? www.vldb.org/pvldb/vol18/...
www.vldb.org
November 6, 2025 at 4:16 PM
Still Asking: How Good Are Query Optimizers, Really? www.vldb.org/pvldb/vol18/...
TLA+ Modeling of AWS outage DNS race condition muratbuffalo.blogspot.com/2025/11/tla-...
TLA+ Modeling of AWS outage DNS race condition
On Oct 19–20, 2025, AWS’s N. Virginia region suffered a major DynamoDB outage triggered by a DNS automation defect that broke endpoint resol...
muratbuffalo.blogspot.com
November 6, 2025 at 7:47 AM
TLA+ Modeling of AWS outage DNS race condition muratbuffalo.blogspot.com/2025/11/tla-...
MariaDB and PostgreSQL: A technical DeepDive into how they differ www.youtube.com/watch?v=l_5A...
MariaDB and PostgreSQL - A technical DeepDive into how they differ
MariaDB vs PostgreSQL: Technical Deep Dive | Architecture, Performance & Design Trade-offs
Choosing between MariaDB and PostgreSQL for your next project? This comprehensive technical deep dive…
www.youtube.com
November 6, 2025 at 7:46 AM
MariaDB and PostgreSQL: A technical DeepDive into how they differ www.youtube.com/watch?v=l_5A...
To Lock or Not: MongoDB’s Lock-Free B-Tree Unlocks Throughput
To Lock or Not: MongoDB’s Lock-Free B-Tree Unlocks Throughput
Learn how MongoDB's WiredTiger lock-free B+tree, using hazard pointers and skip lists, boosts read and write throughput for better hardware utilization.
www.mongodb.com
November 5, 2025 at 4:16 PM
To Lock or Not: MongoDB’s Lock-Free B-Tree Unlocks Throughput
Control structures in programming languages: from goto to algebraic effects xavierleroy.org/control-stru...
Control structures in programming languages
Xavier Leroy
xavierleroy.org
November 5, 2025 at 9:21 AM
Control structures in programming languages: from goto to algebraic effects xavierleroy.org/control-stru...
DSQL: Simplifying Architectures
https://brooker.co.za/blog/2025/11/02/thinking-dsql.html
brooker.co.za
November 4, 2025 at 4:16 PM
DSQL: Simplifying Architectures
Beyond the Bits: Cultivating Minds and Memory Systems
LinkedIn Pulse
www.linkedin.com
November 4, 2025 at 9:21 AM
Beyond the Bits: Cultivating Minds and Memory Systems