Blog
Technical insights from a senior engineering team in production since 2009. Kubernetes, data pipelines, AI agents, DevOps, and engineering leadership.
Posts
VictoriaMetrics vs Prometheus: Differences & When to Switch
VictoriaMetrics doesn't have to replace Prometheus. Compare storage, HA, MetricsQL, Enterprise features, Thanos, Mimir and migration, as of October 2026.
Elasticsearch Pricing and License in 2026
What Elasticsearch costs as of October 2026: the free license, paid tiers, Elastic Cloud Hosted and Serverless, AWS, calculators and costs people miss.
Elasticsearch vs Solr: Differences in 2026
Elasticsearch vs Solr as of October 2026: licenses, Solr 10, clusters, queries, vector search, benchmarks, hosting, migration and which to pick.
kube-prometheus-stack: Prometheus on Kubernetes
How to run kube-prometheus-stack and the Prometheus Operator in production: Helm values, ServiceMonitors, alerts, CRD upgrades, storage and remote_write.
Kubernetes on Bare Metal: On-Prem Setup and Day 2
How to run Kubernetes on bare metal and on-premise in 2026: provisioning, distributions, HA, load balancing, storage, upgrades, costs and our on-prem work.
Kubernetes Monitoring: Tools, Metrics and Alerting
How to monitor Kubernetes in 2026: what to watch, where each metric comes from, monitoring and observability tools, alerts, costs, and the stack we run.
OpenSearch vs Elasticsearch: Differences in 2026
OpenSearch vs Elasticsearch as of October 2026: licenses, features, vector search, benchmarks, AWS and Elastic Cloud pricing, migration and which to pick.
Kubernetes CrashLoopBackOff: Causes and Fixes
What CrashLoopBackOff and "Back-off restarting failed container" mean in Kubernetes 1.37, how long the backoff lasts, and how to debug and fix the cause.
Karpenter for Kubernetes: NodePools, EKS, Disruption
How Karpenter scales Kubernetes nodes in 2026: NodePool and EC2NodeClass YAML, EKS install, Auto Mode, disruption, Cluster Autoscaler migration and fixes.
Kubernetes Autoscaling: HPA, VPA, Karpenter and KEDA
How Kubernetes autoscaling works in 2026: HPA and scale to zero, VPA in-place resize, Cluster Autoscaler, Karpenter, KEDA, YAML examples and fixes.
Kubernetes Ingress in 2026: Examples and Controllers
What Kubernetes Ingress is and how it works, with a YAML example, kubectl commands, controllers after ingress-nginx, Gateway API and 404 and 503 fixes.
AI SRE in 2026: What Works, Tools and How to Start
What an AI SRE does well in 2026, where it fails, the main tools with no rankings, and how to test one on your own past incidents before you trust it.
Elasticsearch Alternatives in 2026, by Workload
The best Elasticsearch alternative depends on the job. OpenSearch, Typesense, Meilisearch, Loki and more, compared by license, fit and switching cost.
How to Build an MCP Server: Python, Auth, Hosting
Build a working MCP server in one Python file, connect it to Claude, then add auth, safe tools and hosting. Written for the 2026-07-28 spec and SDK v2.
Is Web Scraping Legal? US, EU and UK Law in 2026
Yes, scraping public pages is generally legal in the US, EU and UK. What makes it illegal, what the 2026 court rulings changed, and a 10-point checklist.
Building a Dedicated Engineering Team from Scratch: Timeline, Cost, and Mistakes
Vendor decks show 2 weeks. The real timeline covers far more than staffing. Call it The Zero Quarter — everything between decision and first sprint. Cost model, worked example, and the five setup mistakes that compound.
Dedicated Team Anti-Patterns: 5 Governance Failures That Kill Productivity
Five governance failures show up again and again in failing dedicated team engagements — and none of them are about engineer quality. The Authority Vacuum, the five patterns it creates, and how to diagnose which one you have.
When to Bring a Dedicated Team In-House (And How to Do the Transition)
70% of executives have selectively insourced. The Knowledge Bridge is what separates successful transitions from expensive restarts. Signals, playbook, and the four failure modes that sabotage in-housing.
The IP and Code Ownership Playbook for Dedicated Development Teams
Work-for-hire doesn't usually work. The Jurisdictional Gap — between where the contract is signed and where the code is written — is where IP protection fails. Three layers of protection and the contract clauses that close the gap.
Dedicated Teams for Regulated Industries: HIPAA, SOC 2, and GDPR Compliance
Claims don't survive audits. The Artifact Gap separates vendors with compliance marketing from vendors with operational compliance. SOC 2 CC6, HIPAA BAAs, GDPR Article 28 DPAs, DORA — and the four artifacts every vendor should produce in 48 hours.
How to Manage a Dedicated Team You Don't See Every Day
The failure mode isn't poor communication — it's poor communication architecture. The Written Default, four distinct cadences that replace meetings, and why trust is an artifact pattern.
Scaling a Dedicated Team from 3 to 15 Engineers Without Losing Quality
The Split Point is the team size where coordination overhead exceeds the capacity gain from adding people. Three structural transitions, Team Topologies split patterns, hiring cadence, and the culture mechanics that survive growth.
Dagster vs Airflow: A Vendor-Neutral 2026 Comparison
Dagster vs. Airflow comes down to assets vs. tasks. A 2026 comparison of Dagster, Airflow 3 and Prefect: side-by-side table and when to pick each.
Change Data Capture (CDC): How It Works and Breaks
Change data capture streams every insert, update and delete to other systems. How CDC works, the four methods, Debezium vs. Flink CDC, and what breaks.
cURL vs. Playwright vs. LLM Scraper: A Decision Tree for 2026
The same scraping job can run up to $6,000/month in LLM fees alone, depending on the tool you pick. A 4-step decision tree for choosing between HTTP clients, headless browsers, and LLM-native scrapers in production.
Data Pipeline Observability: Monitoring Airflow + dbt Without Drowning in Alerts
Hundreds of tests, dozens of weekly alerts, and a Slack channel nobody reads. That's alert debt. The monitoring stack that catches real failures without burying your team.
Data Quality at Scale: Great Expectations vs. Soda vs. dbt Tests
dbt tests catch transformation bugs. Great Expectations catches source corruption. Soda monitors everything between. A decision framework for choosing data quality tools in 2026.
The dbt Adoption Playbook: From Raw SQL to Modular Analytics Engineering
Most dbt adoptions fail the same way — teams pile 300 flat models into one folder and call it analytics engineering. The layer-first project structure that actually scales.
Debugging Scrapers in Production: Logs, Screenshots, Video Replay, and Failure Forensics
Status codes aren't evidence. Screenshots, DOM snapshots, Playwright traces, and structured logs are. The Evidence Bundle pattern for turning scraper failures from hours of investigation into dashboard queries.
Dedicated Team vs. Staff Augmentation: Which Model Fits Your Engineering Org?
Both models get sold under the same label. The difference that matters: who owns delivery. A decision framework with the 3:1 rule, the 12-month crossover, and the hidden costs each vendor won't publish.
Building ETL Pipelines That Don't Fail Silently
90% of Uber's pipelines lacked unit tests. Most ETL failures don't crash — they corrupt data for weeks before anyone notices. An observability-first design guide.
The Total Cost of Fivetran: Why Managed ETL Isn't Actually Cheaper
Fivetran's March 2025 pricing change raised many multi-connector bills. A line-by-line cost comparison against Airbyte, dlt, and custom pipelines for mid-market data teams.
Fractional CTO vs. MVP Agency vs. Build In-House — A 2026 Comparison
Fractional CTO solves "who decides?" MVP agency solves "who builds?" In-house solves "who stays?" Three options, six dimensions, and the combinations that actually work. The single-option pick is the wrong default.
Lakehouse Architecture Compared: Iceberg vs. Delta Lake vs. Hudi
Iceberg wins multi-engine. Delta wins Databricks. Hudi wins record-level upserts. The honest format comparison for teams actually building lakehouses in 2026.
What Does $80K Actually Buy From an MVP Development Company in 2026?
At $150/hour, $80K buys 533 engineering hours. At $70/hour, 1,143. Same visible scope, 2x labor spread. Here's the math most founders never see — and the Invisible Line Item that tells the difference.
The Technical Debt You Should Keep in Your MVP (And the Kind That Kills)
Good debt trades speed now for bounded cost later. Bad debt hides a step function that fires at the worst moment. Five shortcuts to keep forever, five that compound silently, and a better rule than the 20% sprint tax.
What Non-Technical Founders Don't Know to Ask Their MVP Agency
Timeline, team size, portfolio, price — the four questions every intro call runs through. Six different questions surface whether the agency will deliver production, not a demo. Here are the good answers and the red flag answers for each.
Why Offshore MVPs Need Rework, and How to Avoid It
The "67% of offshore projects need rework" stat has no Gartner source. Rework comes from governance: six failure patterns and six markers to check before you sign.
Why Half of All Outsourcing Relationships Fail (And It's Not Geography)
50% of outsourcing relationships fail within five years. The root cause isn't offshore quality or time zones — it's three governance failures that buyers create themselves.
Playwright vs Selenium vs Puppeteer: Scraping at Scale
Playwright vs. Selenium vs. Puppeteer for production scraping: per-instance overhead, languages, stealth forks, Kubernetes, and which to pick.
Post-Launch Engineering — What Happens After Your MVP Agency Disappears
The agency celebrates launch. Six weeks later, the founder inherits a system nobody documented. Here's what breaks in Months 1–6, what it costs to run, and the three realistic paths for the founder now holding the pager.
Residential vs. Datacenter vs. ISP Proxies: The Complete 2026 Comparison
Datacenter proxies hit 59.80% success on protected targets. Residential hit 94.30%. ISP proxies land at 89.34% with datacenter speed. Here's when each type wins and what it actually costs per successful request.
Retry Logic for Scrapers: Exponential Backoff, Idempotency, and Failure Recovery
Naive retry logic turns a target outage into your outage. The Retry Amplifier pattern, per-error-class routing, exponential backoff with jitter, and circuit breakers for scrapers at scale.
What Is Reverse ETL? Tools and When It's Worth It
Reverse ETL syncs warehouse data back into CRMs, marketing and ad tools. How it works, the main tools in 2026, and when a Python script is enough.
From 10 Users to 10,000 — What Changes in Your Stack and Why
Every order of magnitude adds one architectural concern the step before was blind to: connection limits, read replicas, CDNs and queues. Here's what breaks at each 10x, and how to plan for it before it does.
From ScraperAPI to In-House: When to Build Your Own Scraping Service
$456K year-one to build. $101K to buy. The math for managed vs in-house scraping, the volume tiers where each wins, and the hybrid architecture teams actually ship.
Building a Scraping Cluster on Kubernetes: Resource Management and Cost
Starved Chromium doesn't crash — it produces garbage. A production guide to sizing, scaling, and costing Playwright and Puppeteer clusters on Kubernetes for 500K–5M pages a day.
Scraping E-Commerce Data for AI: Architecture for Product, Pricing, and Review Extraction
Three data types, three pipelines, three storage tiers. How to architect an ecommerce scraping system with adaptive cadence that avoids the Freshness Premium on data that didn't change.
Technical Due Diligence Checklist for a Series A
A 22-item technical due diligence checklist for a Series A: operations, security, backups, CI/CD and IP, and what reviewers flag.
Sprint Velocity with a New Dedicated Team: Realistic Expectations by Month
Month three is the cliff. Teams either accelerate past it or stall at a ceiling for the rest of the contract. Velocity curves, measurable ramp indicators, and the four factors that decide which side.
Browser Fingerprinting: How It Works and Catches Bots
Browser fingerprinting identifies a browser from canvas, fonts and TLS signals. How it works, how to test and reduce it, and why stealth plugins fail.
Streaming vs. Batch: The Real Trade-Offs Nobody Talks About
Flink offers low latency. Your dashboard refreshes daily. Most teams pay a streaming tax for data no one reads in real time. Here's how to tell when streaming is worth the cost.
Structured Data Extraction: JSON-LD, Schema.org, and When to Use LLMs
Most extraction pipelines pay to rebuild data that's already in the page. JSON-LD, Microdata, selectors, and LLM extraction — the three-rung ladder and when each rung wins.
The True Cost of a Dedicated Development Team: Beyond the Hourly Rate
The quoted rate is only part of the real cost. Call it The Iceberg Rate. A breakdown of the five cost categories below the waterline, with the math on a four-engineer team.
Vibe Coding Security: 8 Risks and How to Find Them
Is vibe coding secure? Not by default. The 8 risks AI coding tools leave in apps built with Lovable, Bolt or Cursor, and the commands to find each one.
Vibe Coding Cleanup: 7 Phases From Audit to Handoff
What a vibe coding cleanup specialist does to make an AI-built app production-ready: seven phases from audit to handoff, and when to rewrite instead.
AI Infrastructure Costs Are Out of Control — Here's How to Fix Them
Spending on AI infrastructure hardware hit $82B in Q2 2025, yet average GPU utilization in many organizations sits at 10-30%. A concrete optimization playbook covering GPU scheduling, inference serving, and the self-hosting decision.
Who Captures the Value When AI Shops for You?
OpenAI charged merchants 4% for AI checkout. Six weeks later, they killed it. I traced where the distribution tax actually lands in agentic commerce.
The Trust-Action Gap: Why 'Comfortable' Doesn't Mean 'Buying'
44% of Americans say they'd let AI browse for them. Only 10% have actually bought something using AI. I dug into what sits between comfort and the checkout button.
What AI Agents Will Buy vs. What You'll Buy Yourself
Only 6% would give an AI agent full purchasing control. But 55% want AI guidance when they shop for electronics. The real line isn't AI vs. human — it's about what you're buying.
GenZ's AI Shopping Paradox: Heavy Users Who Don't Trust It
Gen Z uses AI for shopping more than any other generation — and most of them don't trust it. I dug into the surveys to understand what's actually driving this behavior.
The Protocol Wars: UCP vs. ACP vs. MCP in Agentic Commerce
Four protocols compete to become the HTTP of AI shopping. But the real war isn't about standards — it's about identity, trust, and who controls checkout.
The Court Case That Will Define AI Shopping
A federal judge ruled that user permission isn't enough for AI agents to shop on Amazon. I dug into the case — and the infrastructure race it triggered.
Amazon's Walled Garden Strategy for AI Shopping
Amazon controls $830B in GMV and blocks every external AI agent. I dug into the strategy — and what it means for the sellers stuck inside the walls.
The Agentic Commerce Infrastructure Gap No One's Closing
AI shopping traffic to US retail sites surged 1,200%. Affiliate links are still 86% more likely to convert than ChatGPT referrals. I dug into why the numbers don't add up — and what's missing.
China Is Already Living in the Agentic Commerce Future
Alipay processed 120 million AI-agent payments in one week. The US is still debating protocols. I dug into the gap — it's bigger than you think.
Which Ecommerce Stores Show Up When AI Goes Shopping?
I tested the same shopping query across ChatGPT, Perplexity, and Gemini. Shopify stores dominated. Here's why — and what it means if you're on another platform.
How to Leverage Fractional Kubernetes Support as an Affordable IT Solution for Small-Medium Businesses
Want to implement Kubernetes but need support without hiring full-time in-house experts?
How to Help Ensure 24/7 Uptime in Healthcare with Fractional Kubernetes Incident Response
In the high-stakes environment of healthcare, system downtime is not just inconvenient — it can be life-threatening.
Future-Proofing Your IT Infrastructure with Fractional Kubernetes Services
IT is rapidly evolving, so staying ahead of the curve is not just a competitive advantage it\'s a necessity.
Your Startup Needs to Scale: Is it Time for Kubernetes?
As your startup grows, the challenge of scaling operations efficiently grows with it.
Choosing the Right Cloud Instances for Your Kubernetes Workloads
For more and more business leaders, using Kubernetes—an open-source platform for managing containerized applications— is a strategic opportunity to boost...
Want to save money with Kubernetes? Try Proactive Capacity Planning
If you're looking for more agility, scalability, and efficiency in your application deployment and management strategies, you're in good company.
Is It Time for Kubernetes in Your Startup?
As your startup grows and needs to scale, implementing Kubernetes might be a critical next step.
The Hidden Costs of Kubernetes Downtime (And How to Avoid Them)
Kubernetes is an indispensable tool, but it is not immune to downtime.
Evolution of Reliability: Kubernetes and Beyond
Kubernetes has undeniably become the de facto standard for container orchestration.
Squid doesn't cache? Check your headers
I am sysadmin at Ivinco and wanted to share my recent experience configuring [Squid](http://www.squid-cache.org/).
Massive Indexing with Sphinx
Imagine the following situation: multiple Sphinx daemons are serving huge amount of data running on numerous hardware servers.
Sphinx: building 1M docs index having no one real doc
Just want to share an interesting trick on how to easily index something with Sphinx without need of populating database with a lot of data or doing smth...
Correct ordering of search result set using Sphinx
**Once you get results from Sphinx, it is important to maintain the way they are ordered. The typical search process used by Sphinx looks like the following:**
Sphinx in Action: Fuzzy matching and 2nd pass query
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: Top related queries
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: How Sphinx handles text during indexing
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: Autocomplete
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: It all starts with indexing
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: Did you mean ... ?
This is a post from a series of posts called "Sphinx in Action".
Sphinx in Action: Good and bad in Sphinx real time indexes
This is a post from a series of posts called "Sphinx in Action".
Meet Ivinco at Sphinx Search Day 2012!
The Sphinx team has just announced [The Sphinx Search Day](http://sphinxsearch.com/conference2012/), which will take place in Santa Clara, California on...
SphinxSearch kill list feature
In using the SphinxSearch sql_query_killlist I am faced with a problem - the kill list doesn't always work as expected for several distributed indexes.
Group by MVA in SphinxQL
This is a just a quick note I'd like to share since this might be confusing how one should do "group by" mva attribute in SphinxQL.
Company meeting in Turkey
Ivinco is a virtual company - we have no office, all our employees work from their homes.
Converting Sphinx original indexes to real-time indexes
If you are using the Sphinx server with many indexes and you decide to move to real-time indexes then this article is for you.
Email me mysql/sphinx query result
Hi. Here's just a simple trick which can be useful if you run some long-lasting mysql/sphinx query in a screen or whatever and want to get informed as soon...
Interesting thing about BM25 in Sphinx Search
I recently faced strange behaviour of Sphinx Search. As I investigated, the problem turned out to be in the default ranking mode SPH_RANK_PROXIMITY_BM25...
Sphinx RT-indexes memory consumption issue
The Sphinx team recently published new article about [Sphinx memory consumption](http://sphinxsearch.com/blog/2011/11/11/sphinx-memory-consumption/).
We are speaking at Percona Live London, Oct 24-25
We’re thrilled that we will be speaking at [Percona Live conference](http://www.percona.com/live/london-2011/).
Contribute to Ivinco Open Source Projects on GitHub
We have published our open source projects on [Github](https://github.com/Ivinco) - to make it easier for people who use our projects to contribute.
High performance BuildExcerpts() with Sphinx Search
Since version 2.0.1 Sphinx has ability to build snippets in a parallel mode. It means that Sphinx will use several CPUs to do that.
Wordpress Sphinx Search plugin version 3.0 released
We're glad to announce the third version of WordPress Sphinx Search plugin.
Minimal Sphinx configuration to play with Sphinx
If you want to start learning Sphinx or see how some its feature works the following simplest Sphinx configuration might be useful:
How to speed up Sphinx Real Time indexes up to 5-10 times
New type of index (Real Time) was released in Sphinx Search version 1.10.
Using wget as a simple web crawler for Sphinx search engine
The following is just a proof of concept which shows that it's possible to make a search engine of a web site with minimal tools and knowledges:
Copying Sphinx index from different server
One day I had to build one huge index. I couldn't do it on a production box, because there was little space and I decided to build the index in another...
Scripting in Sphinx config
Did you know that Sphinx config enables you to use [shebang syntax](http://en.wikipedia.org/wiki/Shebang_(Unix))?
Indexer for real-time indexes
We’ve implemented a script which should help when you need to migrate from plain indexes to real-time (RT) indexes or simply make first-time RT indexing.
Sphinx replication
Sphinx doesn’t yet support any replication for plain or RT indexes out of the box, so you have to implement something by yourself if you need to have a copy...
Plain, RT and mixed indexes performance comparison
**Plain index** is an index which has ‘source’ section in the Sphinx config file and filled by means of ‘indexer’ tool.
Should you switch to Sphinx real time indexes?
The main inconvenience of regular indexes is their update speed. In order to update one you should entirely rebuild it.
Talking at Sphinx User Conference 2010
Sphinx Technologies announced their first [Sphinx User Conference](http://sphinxsearch.com/conf2010.html).
Five ways to configure Sphinx search engine
If you ever used Sphinx Search you’ve probably tried one of the configurations listed below. Each of them is suitable for particular types of projects.
Using Sphinx search engine with Chinese, Japanese, and Korean language documents
This article explains step by step how to implement full-text search on a set of documents written in Chinese, Korean and Japanese languages (CJK).
Announcing DokuWiki Sphinx Search Plugin
At Ivinco we use [DokuWiki](http://www.dokuwiki.org/) and so does many of our friends and customers.
How To Improve Sphinx Indexing Performance
Sphinx indexing often can be very “heavy” process for the system – it uses a lot of CPU and I/O resources.
Welcome To Ivinco Blog!
At Ivinco we build and maintain PHP/MySQL driven systems. We also specialize in deployment of [Sphinx search engine](http://sphinxsearch.com/).
DDoS attack on k8s hosted application
DDoS Attack Detection And Mitigation Using Calico & Falco In K8s Environment
How to become a Certified Kubernetes Administrator
Kubernetes has been a major trend in the world for the past 5 years.
How To Choose A Database For Backend
Each database management system has its pros and cons, they must be taken into account when choosing a particular database for your application.
How To Set Up Alerts Using PMM
Percona Monitoring and Management allows you to set different alerts related to your infrastructure.
DB Performance Troubleshooting Workflow Using Percona PMM
Some time you may face with the situation when your DB became slow. You may notice it during developing your system.
3 Ways To Set Up A PMM Server
This method involves self-configuring everything you need on a virtual machine in the Linode cloud, with all the complexities and peculiarities that come...
Top 4 PMM Dashboards To Start With PMM
Once I first logged in to PMM web interface (which is, by the way, standard Grafana with a predefined dashboards set), I was a bit puzzled and did not know...
![[SOLVED] PMM Server Installation Error – X509: Certificate Signed By Unknown Authority.](/_next/image?url=%2Fassets%2Fintro%2Fsolved-pmm-server-installation-error-x509-certificate-signed-by-unknown-authority.jpg&w=3840&q=75&dpl=dpl_A8THPYyG2gZqzivg3D3EnPcqxbm1)
[SOLVED] PMM Server Installation Error – X509: Certificate Signed By Unknown Authority.
This error can occur when you try to connect pmm-agent to a pmm-server over a secure channel, but your server only has a self-signed certificate.
MySQL & PHP On Backend Best Practices
When building a backend in PHP using MySQL (and not only), it is important to follow some simple tips in order for the application to work correctly and...
PostgreSQL & NodeJS On Backend Best Practices
Because mixing the code for interacting with the database (business logic) and the views on the backend side subsequently leads to the fact that it will be...
![[SOLVED] PMM Server Installation Error – Failed To Get PMM Server Parameters From Local Pmm-Agent: Pmm-Agent Is Not Connected To PMM Server.](/_next/image?url=%2Fassets%2Fintro%2Fsolved-pmm-server-installation-error-failed-to-get-pmm-server-parameters-from-local-pmm-agent-pmm-agent-is-not-connected-to-pmm-server.jpg&w=3840&q=75&dpl=dpl_A8THPYyG2gZqzivg3D3EnPcqxbm1)
[SOLVED] PMM Server Installation Error – Failed To Get PMM Server Parameters From Local Pmm-Agent: Pmm-Agent Is Not Connected To PMM Server.
```bash pmm-admin add mysql --query-source=perfschema --username=pmm --password=PASSWORD --service-name=MYSQL_NODE --host=127.0.0.1 --port=3306
![[SOLVED] PMM Server Installation Error – Connection Check Failed: Pq: |Peer|Ident|Password Authentication Failed For User “Pmm”.](/_next/image?url=%2Fassets%2Fintro%2Fsolved-pmm-server-installation-error-connection-check-failed-pq-orpeeroridentorpassword-authentication-failed-for-user-pmm.jpg&w=3840&q=75&dpl=dpl_A8THPYyG2gZqzivg3D3EnPcqxbm1)
[SOLVED] PMM Server Installation Error – Connection Check Failed: Pq: |Peer|Ident|Password Authentication Failed For User “Pmm”.
If you see similar errors when trying to add a PostgreSQL database to pmm-admin
![[SOLVED] PMM Server Installation Error – Connection Check Failed: Error 1130: Host Is Not Allowed To Connect To This Server.](/_next/image?url=%2Fassets%2Fintro%2Fsolved-pmm-server-installation-error-connection-check-failed-error-1130-host-is-not-allowed-to-connect-to-this-server.jpg&w=3840&q=75&dpl=dpl_A8THPYyG2gZqzivg3D3EnPcqxbm1)
[SOLVED] PMM Server Installation Error – Connection Check Failed: Error 1130: Host Is Not Allowed To Connect To This Server.
If you get this type of error, it means that you need to create right access for pmm user to database.
How To Set Up MySQL Monitoring With PMM
Before you start setting up PostgreSQL to be connected to PMM monitoring, you need to have a PMM Client and register it on the PMM Server. Let's do it.
How To Set Up PostgreSQL Monitoring With PMM
Before you start setting up PostgreSQL to be connected to PMM monitoring, you need to have a PMM Client and register it on the PMM Server. Let’s do it.
How To Set Up MongoDB Monitoring With PMM
Before you get started setting up MongoDB to connect to PMM monitoring, you need to have a PMM Client and register it on the PMM Server. Let's do it.
PMM – SolarWinds (Vivid Cortex) Open Source Alternative
## **What is Database Monitoring Tools and Why do You Need Them**
How Do We Use PMM For DB Cluster Monitoring – Real-Life Use Case
We would like to share our experience of using PMM for DB cluster monitoring.
How To Deploy PMM Using AWS
Here is a small HowTo about installing the Percona Monitoring and Management (PMM) server using the AWS Marketplace.
How To Enable SSL For PMM Server
This article assumes you have already installed PMM on your machine.
How To Install PMM Using Linode
MM server. In this article, we will describe a solution based on a Linode VPS on which we will install the Docker Engine and run the PMM server in a Docker...
How To Set Up Open-Source DB Monitoring Using PMM?
There are plenty of proprietary DB monitoring services, but did you know there is a great open-source alternative – Percona Monitoring and Management (PMM)?
Announcing HostedPMM Beta Release
_Get open source PMM up and ready for monitoring your databases in a few clicks._
Website launch checklist
This is a generic checklist of things to check before deploying any public-facing website.
Ivinco helps SafeTraces accelerate VeriDART project development by providing web development, cloud, and microservices expertise
SafeTraces is a company specializing in pathogen detection and air ventilation optimisation.
Ivinco Develops Search API for Effyis' SocialGist Project
SocialGist, previously known as BoardReader, handles a large amount of data collected from various social media platforms.
Ivinco helps Effyis reduce operational costs by migrating its Big Data infrastructure to the on-prem Kubernetes cluster
Effyis is a company that provides paid access to big data collected from social media through its SocialGist project.
Ivinco Enhances SocialGist Infrastructure for High Availability and Improved Performance
Socialgist is a data service provider that specializes in collecting, processing, and delivering social media data and other user-generated content from...
How to Calculate Financial Outcome of Migrating Infrastructure to Kubernetes
Kubernetes is a powerful system for managing containerized applications in a clustered environment.
Kubernetes at Your Fingertips
Kubernetes, a powerful container orchestration platform, has become the go-to choice for managing and scaling applications.
Kubernetes Runtime Security: Seccomp, AppArmor and Falco
Set up Kubernetes runtime security: seccomp and AppArmor profiles, Falco and Tetragon for threat detection, and policy enforcement that blocks risky pods.
Kubernetes Metrics Server: A comprehensive guide
The advancement in computing has allowed for the growth and development of numerous technologies that enable businesses to improve their efficiency and...
Mastering Kubectl: A Comprehensive Guide to Command Line Kubernetes Management
Kubernetes, often abbreviated as K8s, is a powerful open-source system for automating deployment, scaling, and management of containerized applications.
Kubernetes CSI - Leveraging standards
Kubernetes has undeniably transformed how applications are built, deployed, and managed in distributed systems.
Ceph on Kubernetes: Rook, ceph-csi and CephFS
How to deploy Ceph for Kubernetes storage in 2026: Rook or an external cluster, ceph-csi, RBD and CephFS StorageClasses, hardware, upgrades and failures.
Installing a Simple Kubernetes Cluster Using Vagrant and VirtualBox
In this guide, we will walk you through the steps to create a simple [Kubernetes (K8S) cluster](https://www.ivinco.com/blog/kubernetes-101-understanding-the-...
How to write basic Admission Controller and how it works
Kubernetes has become the de facto standard for container orchestration, providing a powerful platform for managing the deployment, scaling, and maintenance...
Switching to GoLang from PHP (2 of 3)
In the first part of this tutorial series, we created a simple CRUD API using PHP Laravel.
How software development is different when developing for Kubernetes
In recent years, Kubernetes (K8s) has emerged as a dominant platform for container orchestration.
Implementing an app to run in Kubernetes efficiently
Kubernetes is a container-orchestration system for automating deployment, scaling and management of applications running on containers.
Migrating your Kubernetes app to AWS Lambda and the other way
Migrating from Kubernetes to AWS Lambda and the other way around can be a confusing, or even difficult task.
Migrate NodeJS GraphQL app to Kubernetes
GraphQL and NodeJS are two popular technologies used for writing and powering modern web applications.
Migrate PHP (laravel) app to Kubernetes
Migrating a PHP (Laravel) application to Kubernetes offers numerous benefits such as scalability, high availability, and self-healing capabilities.
Migrate ReactJS app to Kubernetes
Migrating a ReactJS application to a Kubernetes cluster is a relatively straightforward process, but there are a few challenges that can arise during the...
Migrate PHP (lamp) app to Kubernetes
Migrating your PHP (LAMP) applications to Kubernetes is an important process for any web application.
The Importance of Configuring Your Admission Controller Early in Kubernetes
In a Kubernetes (k8s) environment, the admission controller plays a crucial role in filtering input to the cluster.
Ensuring High Availability in Kubernetes Clusters: Cluster, Application, and Beyond
High availability is a key requirement for modern applications, as businesses rely heavily on these applications to drive growth and revenue.
How Kubernetes can reduce infrastructure costs for businesses
If we were to choose a single thing that permeates any kind of business in the world — from a small-time village fisherman to an international corporation —...
How to choose the right Kubernetes distribution for your business
Kubernetes, frequently referred to as K8s, is an open-source system designed to handle containerized applications across multiple hosts, providing basic...
Kubernetes and containerization: An introduction
In today's rapidly evolving software development landscape, the ability to deploy and manage applications efficiently and effectively is more important than...
Kubernetes and DevOps: How they work together
DevOps has become an essential aspect of modern software development, helping organizations to accelerate their release cycles and improve their software...
Kubernetes Load Balancing, Ingress and Gateway API
How Kubernetes load balancing works in 2026: Services, kube-proxy, cloud and bare-metal load balancers, Ingress, Gateway API, and which to use.
Kubernetes deployment strategies: Blue-Green vs. Canary
Understanding and implementing the best practices for deploying applications using Kubernetes is essential for ensuring application availability, minimizing...
Kubernetes vs. traditional hosting: A comparison
In recent years, containerization and orchestration technologies have revolutionized the way applications are deployed and managed.
Self-hosted K8s – Bare metal vs private cloud
Kubernetes began as an internal Google project, an orchestration system for “containers” — OS-level virtualization instances of larger applications, usually...
Switching to GoLang from PHP (1 of 3)
In this tutorial series, we will take a look at how to convert an existing Laravel [CRUD](https://en.wikipedia.org/wiki/Create,_read,_update_and_delete) API...
Switching to GoLang from PHP (3 of 3)
In this final part of the tutorial series, we will discuss the benefits of switching from PHP to GoLang and how it can lead to improved performance,...
Kubernetes Migration Strategy: A Step-by-Step Plan
How to plan a Kubernetes migration in 2026: benefits and when not to migrate, the 7 Rs, a readiness checklist, cloud or on-prem, cutover and rollback.
Kubernetes Security Best Practices: A 2026 Checklist
How to secure and harden a Kubernetes cluster in 2026: 25 best practices, from the API server to runtime, and the free tools that check them.
The role of Kubernetes in cloud-native application development
Cloud-native application development is a software development approach that is designed to build and deploy applications in the cloud.
Kubernetes Troubleshooting: Guide and Cheat Sheet
How to troubleshoot and debug Kubernetes (K8s) in 2026: a step-by-step workflow, a cheat sheet, pod errors, exit codes, nodes, clusters and storage.
CI/CD for Kubernetes
Continuous Integration (CI) and Continuous Deployment (CD) are essential practices in modern software development that allow teams to integrate changes and...
Kubernetes Cost Optimization: A Practical Checklist
Kubernetes cost optimization, step by step: cost monitoring, right-sized resource requests, autoscaling, Spot, idle resources and the tools for each.
Kubernetes Performance Tuning & Optimization (2026)
Ten best practices for Kubernetes performance tuning and optimization in 2026, with fixes for CPU throttling, memory, DNS, storage, etcd and GPUs.
Kubernetes Networking Explained: A Deep Dive
How Kubernetes networking works in 2026, layer by layer: pod IPs, CNI plugins, kube-proxy, DNS and network policies, with real commands to debug them.
Common Challenges Faced When Implementing Kubernetes and How to Overcome Them
Kubernetes has become the de facto standard in the world of container orchestration, offering immense scalability and automation benefits.
Kubernetes 101: Understanding the Basics. Key Concepts and Features of Container Orchestration
Kubernetes has become the de facto standard for container orchestration and management, enabling developers to deploy and scale containerized applications...
Kubernetes vs. Docker Swarm: Which is Right for Your Organization?
Have you ever heard of containers in the world of technology? In today's fast-paced digital world, the concept of containers has revolutionized how...