---
title: "Hemant (@hksoldev) | Hashnode"
description: "Full-stack Developer | Next.js · React · Node.js | Building on Solana. Read the latest articles by Hemant on Hashnode."
url: "https://hashnode.com/@hksoldev"
---

@hksoldev

# Hemant

@hksoldev · Delhi · Joined April 2026

Full-stack Developer | Next.js · React · Node.js | Building on Solana

[Website](https://hemantdev.com/)

### [Why Your Database Isn't Slow. Your Cache Is Missing](https://hksoldev.hashnode.dev/why-your-database-isn-t-slow-your-cache-is-missing?utm_source=hashnode&utm_medium=feed)

Caches speed up apps by avoiding repeated database reads for unchanged data explained simply, plus when caching fits and staleness/TTL tradeoffs.

5 min read · [hksoldev.hashnode.dev](https://hksoldev.hashnode.dev/why-your-database-isn-t-slow-your-cache-is-missing?utm_source=hashnode&utm_medium=feed)

[Sep 25](https://hashnode.com/posts/why-your-database-isn-t-slow-your-cache-is-missing/6ab6747c916e08ec9bd8bf44)

### [Your Server Says "Running." So Why Can't You Connect?](https://hksoldev.hashnode.dev/your-server-says-running-so-why-can-t-you-connect?utm_source=hashnode&utm_medium=feed)

Your server shows "Running" but you still can't connect. Learn VCNs, subnets, route tables, gateways, and security lists with one simple house analogy

11 min read · [hksoldev.hashnode.dev](https://hksoldev.hashnode.dev/your-server-says-running-so-why-can-t-you-connect?utm_source=hashnode&utm_medium=feed)

[Sep 3](https://hashnode.com/posts/your-server-says-running-so-why-can-t-you-connect/6a990981d7ea0adca19fb732)

### [Database Connection Pooling Explained](https://hksoldev.hashnode.dev/database-connection-pooling-explained?utm_source=hashnode&utm_medium=feed)

Learn what database connection pooling is, why backend apps use it, and how it improves performance by reusing database connections.

4 min read · [hksoldev.hashnode.dev](https://hksoldev.hashnode.dev/database-connection-pooling-explained?utm_source=hashnode&utm_medium=feed)

[Jul 11](https://hashnode.com/posts/database-connection-pooling-explained/6a52754c7654c52aa36c0b35)

### [Host Your Own Private Search Engine in 30 Minutes — Get Free From Ads, Tracking, No BS](https://hksoldev.hashnode.dev/host-your-own-private-search-engine-in-30-minutes-get-free-from-ads-tracking-no-bs?utm_source=hashnode&utm_medium=feed)

How to Self-Host SearXNG on a VPS: Your Own Private Search Engine (No Ads, No Tracking)

3 min read · [hksoldev.hashnode.dev](https://hksoldev.hashnode.dev/host-your-own-private-search-engine-in-30-minutes-get-free-from-ads-tracking-no-bs?utm_source=hashnode&utm_medium=feed)

[Apr 26](https://hashnode.com/posts/host-your-own-private-search-engine-in-30-minutes-get-free-from-ads-tracking-no-bs/69edb05d14b6663632498d0a)