Magento Blog: Guides and Practical Know-how | Page 143 | mironsoft
Magento Blog
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Nov 4, 2025
A memory leak first shows up as a steadily growing RES value in top, followed by ever tighter free memory and eventually an OOM kill in the middle of the day. Simply restarting the affected service buys time, not insight. This guide shows how to use built-in tools like smaps_rollup, smem and pmap to systematically find out which process is losing memory and where in the code or configuration the cause lies.
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Nov 4, 2025
Social media teams measure success through engagement, reach and interaction, SEO teams through organic traffic, rankings and conversions. These different success metrics frequently lead to misunderstandings in shared reporting and prevent both channels from being evaluated as one connected system.
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Nov 4, 2025
Anyone who catches every exception with a blanket catch (\Exception $e) loses the distinction between programming mistakes and expected runtime problems. This article shows how the built-in Throwable hierarchy and the SPL exceptions of PHP 8.4 enable robust error handling, including try/catch/finally, error conversion and clean exception logging.
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Nov 4, 2025
Constructor property promotion collapses the classic threefold repetition of property declaration, constructor parameter, and body assignment into a single line per field, without giving up type safety, visibility, or readonly guarantees, and makes value objects and DTOs in particular noticeably more compact and maintainable.
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Nov 4, 2025
The next/image component automatically generates responsive image variants, modern formats, and lazy loading, but it does not solve every performance problem on its own. Configuring sizes correctly, setting priority deliberately on the Largest Contentful Paint element, and maintaining remote patterns cleanly is what actually unlocks the full potential of Next.js image optimization.
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Nov 4, 2025
As soon as multiple processes access the same resource, a local mutex is no longer enough. Redis offers SET NX PX as a simple locking primitive and the Redlock algorithm as an approach for multiple independent instances, but Martin Kleppmann's well known critique clearly shows the limits of this technique and when simpler locks are actually sufficient.
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Nov 4, 2025
Session storage looks trivial until an application scales across multiple servers and the first login vanishes right after a deploy. Redis as a centralized session store solves the scaling problem, but brings its own architecture decisions along with it, from serialization format through TTL strategy to the question of whether sticky sessions are even needed anymore.
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Nov 3, 2025
Wrapping everything in useMemo and useCallback does not make React apps faster, it makes them more complicated. Whoever measures first finds the real bottlenecks: unnecessary re-renders, expensive calculations in the wrong place, and layout thrashing. This article shows the correct workflow with the React Profiler, Chrome DevTools and solid metrics.
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Nov 3, 2025
Approximate aggregation replaces exact calculations like COUNT DISTINCT or percentiles with probabilistic algorithms that deliver a result on billions of rows in a fraction of a second, with a controlled error usually under one percent. This article explains how HyperLogLog and t-digest work, when approximate aggregation pays off, and when exact calculation remains the right choice.
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Nov 3, 2025
CSS Custom Properties are powerful but untyped: the browser treats them as plain strings. CSS @property changes that fundamentally. With a type declaration, inheritance control and an initial value, Custom Properties become full, animatable CSS values. Gradients, colors and numbers can then be interpolated and hooked into transitions.