Page 309 - Maxim Mironjuk

Running docker run --memory=512m --cpus=1.5 makes Docker simply write a few values into plain text files under /sys/fs/cgroup. Once you have read those files yourself, resource limits stop looking like Docker magic and start looking like what they really are: kernel mechanics.

Redis works well as a simple task queue with the LPUSH/BRPOP pattern, and Streams even deliver delivery guarantees and message history through consumer groups. But both approaches hit limits with complex routing, guaranteed ordering across many consumers, or very high message throughput, where dedicated systems like RabbitMQ or Kafka are the more robust choice.

TanStack Query solves the exact problems that plain fetch with useEffect and useState leave open in React Native: race conditions on fast navigation, missing caching, duplicate requests, and no automatic refetch when the app resumes from background. With QueryClient, useQuery, useMutation, NetInfo reconnect handling, and an AsyncStorage persister, the REST integration becomes robust, cached, and offline capable.

Passing Magento events to external systems through cron polling wastes real-time capability and puts unnecessary load on the database. This article shows how Magento webhooks can be implemented robustly, transparently and portably across Open Source and Commerce using an observer, a message queue and signed HTTP delivery. The focus is on HMAC signatures, retry strategies and a complete delivery log for production-ready webhook delivery.

Not every ALTER TABLE statement costs the same in MySQL. Some changes are pure metadata operations that finish in milliseconds, others copy the entire table in the background and block writes for seconds or minutes. Anyone running hundreds of gigabytes of Magento tables who does not know the difference between ALGORITHM=INSTANT, INPLACE and COPY risks unplanned downtime in the middle of business hours.

When a Magento GraphQL product search is slow, the problem is rarely in the GraphQL layer itself. It is almost always in how search requests get routed through resolvers to OpenSearch, and whether indexing, filter mapping and sorting are configured correctly.

YouTube processes billions of searches every day, and it works according to its own ranking rules, different from classic web search, but that can be optimized just as systematically. Title structure, description text, chapter markers, and complete transcripts are the four levers that YouTube actually uses to evaluate relevance. Treating YouTube SEO as a technical optimization project instead of pure content marketing earns plannable, lasting visibility.

Bash's built-in globbing can do far more than the simple asterisk pattern in most beginner scripts: shopt -s extglob unlocks extended patterns like alternation and negation, globstar enables recursive ** matching across whole directory trees, and nullglob prevents the classic bug where a pattern with no match gets passed through literally as a filename.

Before you open the Profiler tab and start a recording, unnecessary re-renders can often be made visible with a single click. The React DevTools option Highlight updates when components render colors every component the moment its render function runs, live in the browser as you click, type, and navigate.

Autonomous AI shopping agents that independently compare, select, and purchase products on a user's behalf are no longer a future scenario, they're already running in early production form. This article explains how such agents read product data differently from human buyers, what technical requirements agent-friendly product pages must meet, and why classic conversion rate optimization thinking partly fails to reach this new audience.