CelerData Glossary

Why ClickHouse Queries Slow Down — and What to Do About It

Admin — Tue, 27 Jan 2026 00:57:05 GMT

Query Optimization Techniques for ClickHouse Performance

Kubernetes: The What, Why, and How

Admin — Mon, 16 Jun 2025 16:00:00 GMT

What Is Kubernetes

Kubernetes—often abbreviated as K8s—is an open-source system for automating the deployment, scaling, and operation of containerized applications. It was born out of Google's internal system called Borg, which had been managing production workloads at scale for years. Google open-sourced Kubernetes in 2014, and in 2015, it hit version 1.0 and was donated to the Cloud Native Computing Foundation (CNCF), under the Linux Foundation umbrella.

Redefining Data Infrastructure: Web3 Analytics vs. Traditional Approaches

Admin — Mon, 09 Jun 2025 15:30:00 GMT

We’re entering an era where analytics isn’t just about optimization—it’s about trust, transparency, and decentralization. Traditional analytics thrives on control and ownership. Web3 analytics flips that model on its head. To understand this transition, we need to define what both paradigms represent, how they differ, and what’s changing at the infrastructure, tooling, and philosophical levels.

What Is Blockchain Analytics (Really)? A Technical Walkthrough

Admin — Mon, 02 Jun 2025 17:00:00 GMT

What Is Blockchain Analytics

Blockchain analytics isn’t just about parsing on-chain data. It’s about making sense of one of the messiest, noisiest, yet most transparent datasets we’ve ever encountered. Imagine trying to reverse-engineer behavioral patterns from a decentralized, ever-growing torrent of pseudonymous transactions—written in hex, scattered across incompatible schemas, and often weaponized by bad actors. That’s the job.

A Guide to External-Facing Analytics

Admin — Fri, 23 May 2025 22:34:16 GMT

What Is External-Facing Analytics?

Let’s start with a deceptively simple question: What happens when the people consuming your analytics don’t work for you?

What is Embedded Analytics and How Does It Work

Admin — Fri, 23 May 2025 02:26:00 GMT

What Is Embedded Analytics?

Embedded analytics integrates data-driven insights directly into the software you already use—whether that’s a CRM, ERP, HR system, or custom product platform. Instead of toggling between tools or waiting for external reports, you get real-time feedback and visualizations exactly where the decisions are made. Think of it as putting the dashboard inside the driver’s cockpit—not on a screen in another room.

KNN Explained: From Basics to Applications

Admin — Thu, 24 Apr 2025 05:21:32 GMT

What Is K-Nearest Neighbors (KNN)

Definition and Basic Concept

K-Nearest Neighbors (KNN) is a fundamental algorithm in supervised machine learning, applicable to both classification and regression tasks. It operates on the principle that similar data points exist in close proximity within the feature space. When presented with a new data point, KNN identifies the 'K' closest points in the training dataset and makes predictions based on their labels.

Understanding Agentic Analytics in 2025

Admin — Tue, 15 Apr 2025 23:03:27 GMT

What Is Agentic Analytics?

Understanding Trino and Presto: Core Features Explained

Admin — Sat, 01 Feb 2025 02:50:37 GMT

Overview of Trino/Presto

ClickHouse vs. Apache Druid: A Detailed Comparison

Admin — Sat, 01 Feb 2025 02:39:45 GMT

Overview of ClickHouse and Apache Druid

What is ClickHouse?

ClickHouse is a high-performance, columnar database designed for Online Analytical Processing (OLAP) and near real-time analytics on large datasets. While it supports real-time workloads, ClickHouse processes data in micro-batches rather than row-by-row streaming ingestion, making it better optimized for high-speed historical analytics rather than instant event-driven data.