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Introduction Upgrading a Kubernetes cluster from v1.34.8 to v1.35 while maintaining Elasticsearch functionality in a production environment demands…
Cloud Tracing — сервис распределённой трассировки в VK Cloud . Приложения отправляют в него спаны по протоколу OpenTelemetry, сервис хранит их и отд…
Cloud Tracing — сервис распределённой трассировки в VK Cloud . Приложения отправляют в него спаны по протоколу OpenTelemetry, сервис хранит их и отд…
If you've been following Linux security, you know that eBPF is a double-edged sword. It's incredible for observability and networking, but it's also…
During a fifty minute incident in June, four of us sat in a call watching a spinner. Every search we ran against our log store took between six and…
Introduction In the constrained environment of an air-gapped private datacenter , a self-managed Kubernetes cluster encounters a critical storage ch…
Security Telemetry on a Budget How a growing product team turned the Elastic stack it already had into a practical security telemetry baseline — wit…
TL;DR: We open-sourced SeaSearch , an Elasticsearch-compatible search engine that keeps index data in S3 and routes ownership instead o…
My team is rolling out ELK observability across four services, and I drew the short straw of instrumenting the first one: a NestJS API. I expected a…
A dashboard panel went blank in production. No error in the logs, no failed request, no alert. The panel just showed "no data", and the query had be…
An access log full of raw IPs can't answer where a traffic spike came from. Elasticsearch GeoIP fixes that at write time, enriching public-IP events…
Why Your Elasticsearch Backups Might Fail When You Need Them Most: Lessons from the July 2026 Recovery In the world of Site Reliability Engineering,…
When people use a search engine, they usually only see the final step. A search box. A query. A list of results. The complicated parts are hidden be…
Elasticsearch silent failures Here's a query that can compile and run, but return an empty result set: { "query" : { "match" : { "category" : "elect…
Searching billions of documents for a phrase and getting ranked results in tens of milliseconds looks like magic. It is not. It comes down to two id…
You type "k8s deployment troubleshooting" into your documentation search. The top result is a page about Kubernetes architecture that never mentions…
For years, Elasticsearch was one of those tools I would almost automatically reach for whenever a system needed search. And honestly, for many use c…
I recently noticed a sudden drop in organic traffic for one of my sites, and I suspected a search engine penalty. Instead of guessing, I used SERPSp…
Поиск — штука настолько привычная, что её редко рассматривают как отдельную инженерную задачу. На деле это связка из четырёх частей: парсинг и норма…
Introduction This is an example of calling an Elastic AI Agent from a ServiceNow incident. Based on the details recorded in the incident, you can ha…