Latest updates for Parallel-Execution
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Recent items include:
- Parallel execution for Node.js, done right
- Ractors: Real Parallelism in Ruby Without the GVL
- CRuby threads don't give you real parallelism, the GVL blocks it.
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Ractors: Real Parallelism in Ruby Without the GVL
Originally appeared on Weelkly Article – Linking Ruby knowledge from the most remote places in the world..May 14, 2026 In-depth technical analysis · RubyStackNews · Concurrency &am...
CRuby threads don't give you real parallelism, the GVL blocks it.
https://rubystacknews.com/2026/05/14/ractors-real-parallelism-in-ruby-without-the-gvl/
Подводные камни распараллеливания автотестов
С первого взгляда кажется, что для параллельного запуска автотестов достаточно просто нажать кнопку «Вкл.». Однако не всё так просто — различные параллельные действия пользователя...
The Execution Boundary in Rails
What changes when Rails work leaves the request-response path and starts running later, elsewhere, or under a different failure model?
Lease Coordination Under Serializable Isolation in CockroachDB
Multi-region systems that rely on entity-scoped write coordination often reach a scale where correctness is no longer the primary challenge; predictability under sustained concurre...
The Execution Boundary in Rails
Originally appeared on Syed Aslam.What changes when Rails work leaves the request-response path and starts running later, elsewhere, or under a different failure model.
The Data Warehouse Concurrency Playbook: Surviving the "Super Bowl" Moment
It was a normal Tuesday until someone dropped a real-time dashboard link into a big team group. A few people opened it, and then a few hundred did. Within minutes, a slack pattern...
Ensuring Data Consistency in Distributed Systems With the Transactional Outbox Pattern
In modern distributed systems, it is common to face the "dual-write" problem. This occurs when a service needs to perform two actions simultaneously: mutate state in a database and...
Durable Execution: What Temporal and Conductor Are Solving That Queues Can’t
Message queues have served us well for two decades. But as distributed systems grow more complex — and as AI agents start running for hours or even days — developers are discoverin...
The Dual Write Problem: What Looks Safe in Code but Breaks in Production
A system that crashes is easier to fix than one that silently produces wrong results. The dual write problem is exactly that kind of bug. It is surprisingly common and often misund...
Running Parallel Instances of Spring Boot Applications in IntelliJ
Running multiple instances of a Spring Boot application can be beneficial for testing interactions, configurations, and resilience patterns. With IntelliJ IDEA, we can quickly set...
How to Run Claude Code Agents in Parallel
Learn how to apply coding agents in parallel to work more efficiently The post How to Run Claude Code Agents in Parallel appeared first on Towards Data Science.
Как я написал распределенный Cron на C с P2P-репликацией и зачем это нужно админам Greenplum
Представьте себе классический кошмар системного администратора или SRE: три часа ночи, в управлении огромный кластер Greenplum на сотню сегмент-хостов, и вам нужно запустить тяжелы...
Armin Ronacher: Absurd In Production
About five months ago I wrote about Absurd, a durable execution system we built for our own use at Earendil, sitting entirely on top of Postgres and Postgres alone. The pitch was...
GBase 8a Data Sync in Practice: T+1 Replication, Real‑Time Mirroring, and Write‑Once‑Read‑Many
Data synchronization in GBase 8a isn't just "primary‑standby replication." Different business requirements — real‑time, disaster recovery, read/write splitting — lead to completely...
Background Tasks: The One Actor in the Codebase and the SIGTERM Bug That Only Broke on Linux
Our agent can plan multi-step work with a persistent task DAG, compress its own memory, delegate to subagents, and load skills on demand — all driven by the same agent loop from th...
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