SIVARO
Topic Cluster // 102 Articles

ClickHouse

01

Can PostgreSQL Handle Analytical Queries? We Benchmarked It

Last March, a client came to SIVARO with a 40-million-row transactions table. Their data team wanted to run cohort retention, rolling 90-day revenue, and fun...

02

Can PostgreSQL Handle Big Data Analytics 2026

Can PostgreSQL handle big data analytics in 2026? Yes — for a specific class of workloads, and I'll tell you exactly which ones. I've run Postgres clusters...

03

Can PostgreSQL Handle Billions of Rows?

I've had this conversation maybe forty times in the last two years. A founder pings me on Slack. They've got a Postgres database creaking at 400 million rows...

04

Can ClickHouse Replace PostgreSQL for OLTP?

Two months ago a fintech CTO asked me to kill Postgres. Not migrate off it. Kill it. He'd read that ClickHouse does 100 million inserts per second and decide...

05

ClickHouse vs PostgreSQL 2026 Performance

Last month I watched a startup CTO spend three weeks migrating their entire analytics stack from PostgreSQL to ClickHouse. Three weeks. Of rewrites. Of debug...

06

ClickHouse vs PostgreSQL: A Migration Guide for 10B+ Rows

I got paged at 2:47 AM in March 2025. Our analytics dashboard for a fintech client in Singapore was taking 94 seconds to render a simple cohort retention que...

07

ClickHouse vs PostgreSQL for GROUP BY Performance

Two years ago a client called me in a panic. Their Postgres analytics dashboard had gone from 400ms to 47 seconds. Same query. Same data shape. Just 8x more ...

08

ClickHouse vs PostgreSQL for Large Datasets 10 Billion Rows

I spent three weeks in early 2026 migrating a 14-billion-row clickstream table off PostgreSQL. Three. Weeks. Because the "just add more indexes" advice I'd g...

09

ClickHouse vs PostgreSQL for SaaS Analytics: The Honest 2026 Guide

I've migrated four SaaS products off Postgres analytics in the last three years. Two to ClickHouse. One stayed on Postgres on purpose. One went to DuckDB and...

10

ClickHouse vs PostgreSQL JSON Query Performance

Last March, a client came to me with a problem. Their SaaS product was ingesting 40M product events per day into a single PostgreSQL table. The events were s...

11

ClickHouse vs PostgreSQL JSONB Performance 2026: What Actually Matters

--- Last March, a client in fintech walked into a SIVARO engagement saying their "analytics pipeline was too slow." Their CTO had already ruled out ClickHous...

12

clickhouse vs postgresql jsonb performance

Last month a fintech team in Bangalore showed me their Postgres setup. 4TB of JSONB event data, 12 shards, and a dashboard query that took 40 seconds. Their ...

13

ClickHouse vs PostgreSQL JSONB Query Performance (2026)

I lost a production incident in March 2025 to this exact question. Our event-ingestion pipeline at a fintech client was querying nested JSON fields at 40K ro...

14

ClickHouse vs PostgreSQL JSONB Support Comparison

Last Tuesday, I was debugging a customer dashboard at 11 PM. Their "event metadata" column was a JSONB field in PostgreSQL. 40 million rows. The query took 9...

15

ClickHouse vs PostgreSQL JSONB Support: We Benchmarked

Last month, a client came to us with a 40-terabyte analytics warehouse. Their "schema" was a single Postgres table with a payload column typed as jsonb. They...

16

Can ClickHouse Replace PostgreSQL for Real Time Analytics

If you've ever watched a Postgres dashboard crawl at 40 million rows, you already know the feeling. I've been there. In 2021, SIVARO was running a fleet tele...

17

ClickHouse PostgreSQL Migration Best Practices

Getting a frantic Slack message at 2 AM from a client whose Postgres dashboard just took 47 seconds to render a monthly revenue chart is a special kind of al...

18

ClickHouse vs PostgreSQL for JSONB Queries: 2026 Guide

Most teams pick Postgres for JSONB by default. I did too, for years. Then one client's event table hit 4TB and their dashboard queries started timing out at ...

19

ClickHouse vs PostgreSQL for Large Datasets 2026

Last month, a client came to me with 4.2 billion rows of IoT sensor data. They'd been running it on PostgreSQL 17 for two years. Their nightly aggregate job ...

20

ClickHouse vs PostgreSQL for Large Datasets: A Practitioner's Buying Guide

We had 4.2 billion rows in PostgreSQL and a dashboard that took 38 seconds to load. That was 2021, at a fintech company where I was running data infrastructu...

21

ClickHouse vs PostgreSQL for Large Scale Aggregations

I remember the 3 a.m. page in March 2024. Our metrics pipeline at SIVARO was pushing 180K events per second, and Postgres was timing out on a simple GROUP BY...

22

ClickHouse vs PostgreSQL for Log Analysis: 2026 Buyer's Guide

Last March, a Series B fintech walked into our office with a Grafana dashboard that took 42 seconds to load. PostgreSQL was doing 180 million log rows. Their...

23

clickhouse vs postgresql for log analysis: Buy the Right Database

Most teams don't have a database problem. They have a "we picked Postgres three years ago and now we're drowning in logs" problem. I've been there. In 2021, ...

24

ClickHouse vs PostgreSQL for Real Time Analytics 2026

Most teams pick Postgres for analytics because it's already running. That's the whole reason. It's sitting there, the app writes to it, the ORM knows it, and...

25

ClickHouse vs PostgreSQL for Time Series Data 2026

A client called me in March. Series B fintech, 40 billion rows of transaction events in Postgres, dashboards timing out at 6 seconds. Their first instinct wa...

26

ClickHouse vs PostgreSQL Replication: 2026 Buyer's Guide

Most teams get this wrong. They pick ClickHouse, copy over their Postgres tables, and then wonder why their dashboards are stale by 40 minutes and their inge...

27

ClickHouse vs PostgreSQL: Which Is Faster in 2026?

Last month a fintech founder called me at 11pm. Their Postgres box was choking on 400 million rows of transaction logs, dashboards took 40 seconds to load, a...

28

PostgreSQL to ClickHouse Migration Tool: 2026 Buyer's Guide

I watched a payments team burn $40K in engineering hours last spring rebuilding a migration pipeline they could've bought for $12K. They had 400M rows in Pos...

29

Can ClickHouse Replace PostgreSQL for Time Series Data?

Last month I ripped a PostgreSQL time-series table out of a client's stack. 4.2 billion rows, 9 months of IoT sensor data. Their Grafana dashboards took 40 s...

30

ClickHouse vs PostgreSQL 2026 Cost Comparison

Most people think Postgres can scale to anything. I used to be one of them. Then a Series B fintech client handed me a $41,000 monthly AWS bill in March 2026...

31

clickhouse vs postgresql for analytics 2026

Two weeks ago I sat in a war room at 2 AM with a client whose Postgres cluster was choking on 900 million rows of telemetry. Their Grafana dashboards were ti...

32

ClickHouse vs PostgreSQL for Analytics Workload, 2026

Last month I walked into a client's office in Bangalore. Their CTO showed me a 47-second dashboard query. A GROUP BY across 1.2 billion rows. On PostgreSQL. ...

33

ClickHouse vs PostgreSQL for Analytics Workloads

Twelve minutes. That's how long a GROUP BY on 400 million rows took on our Postgres cluster in early 2025. Same query on ClickHouse? Under a second. I rememb...

34

ClickHouse vs PostgreSQL for GROUP BY Queries

--- Two years ago, a fintech client paged me at 2 AM. Their Postgres dashboard query — a simple GROUP BY merchant_id over 400 million transaction rows — ...

35

ClickHouse vs PostgreSQL Real-Time Analytics Use Cases

If you're choosing between ClickHouse and PostgreSQL for real-time analytics, here's the short version: Postgres handles transactional truth. ClickHouse hand...

36

ClickHouse vs PostgreSQL Replication and High Availability: A 2026 Field Guide

I've run both of these databases in production at scales where a bad failover means a 3am phone call. Here's what actually matters when you're picking betwee...

37

ClickHouse vs PostgreSQL Scalability Comparison

Most teams don't have a database problem. They have a "we picked Postgres for everything and now our dashboards take 40 seconds" problem. I've watched it hap...

38

ClickHouse vs PostgreSQL: Which Is Faster for Analytics?

Most people pick PostgreSQL for analytics because it's already there. That's a mistake I watched a payments company make in early 2026 — 14 months of Click...

39

Postgresql for Analytics vs ClickHouse: A Data Engineer's Buying Guide

Most teams I talk to don't have a query problem. They have a "we bought the wrong tool for the job and it's bleeding us dry" problem. I've watched four compa...

40

PostgreSQL to ClickHouse Data Migration Best Practices

I've migrated fourteen production Postgres clusters to ClickHouse since 2021. The first one took eleven weeks and nearly cost me a client. The last one took ...

41

When Should I Migrate from PostgreSQL to ClickHouse?

Here's the honest answer: probably later than you think — and for different reasons than you expect. I've spent the last six years building data infrastruc...

42

Why Is ClickHouse Faster Than PostgreSQL for Aggregations

You're running a query that sums 40 million rows. PostgreSQL takes 18 seconds. ClickHouse does it in 400 milliseconds. That's not a tweak. That's a different...

43

Why Use Both ClickHouse and PostgreSQL Together

Let me start with a confession: for the first two years at SIVARO, I tried to avoid running two databases. One system. One source of truth. One thing to back...

44

Can ClickHouse Handle OLAP Workloads Better Than PostgreSQL?

Here’s the short answer: Yes, for analytics. No, for everything else. And that "everything else" is the trap most teams fall into. I’ve spent the last ei...

45

Can ClickHouse Handle Transactions Like PostgreSQL?

Here’s the short answer: No. And you should stop expecting it to. I’ve spent the last eight years building data systems at SIVARO, and I’ve watched thi...

46

Can ClickHouse Replace PostgreSQL for OLAP? The Real Answer After 4 Years of Production

Here’s the honest question I get from every CTO who calls me after their monthly dashboard times out: can ClickHouse replace PostgreSQL for OLAP? Short ans...

47

Can ClickHouse Replace PostgreSQL as Primary Database?

I got this question three times last week. Once from a fintech CTO, once from a Series B founder, and once from a developer who'd just watched a YouTube benc...

48

Can ClickHouse Replace PostgreSQL? Yes, But You're Asking the Wrong Question

I've spent the last eight years designing data systems for clients who ask this exact question. They come to SIVARO with a database that's choking, a dashboa...

49

ClickHouse vs PostgreSQL 2026 Benchmark: The Hard Truth About Who Wins

Let me start with a confession. I spent six months of my life in 2025 trying to make PostgreSQL do analytics it was never meant to do. We had this event pipe...

50

clickhouse vs postgresql data types differences

You're staring at a query that takes 40 seconds in Postgres and your analytics dashboard is dying. I've been there. In 2024, we hit a wall at SIVARO when our...

51

ClickHouse vs PostgreSQL for Analytics: The 2026 Buying Guide

Two databases walk into a bar. One is the most trusted relational database on Earth, powering half the startups you know. The other is a columnar powerhouse ...

52

ClickHouse vs PostgreSQL Join Performance: The Real Story

I spent a month migrating a join-heavy analytics query from PostgreSQL to ClickHouse. The results surprised me. At first I thought this was a data modeling p...

53

Migrate from PostgreSQL to ClickHouse 2026 Guide: When, Why, How

You’ve got a PostgreSQL database that’s screaming under analytical queries. Or maybe your dashboards take 30 seconds to render. You’ve heard ClickHouse...

54

Can ClickHouse Replace PostgreSQL for Analytics?

Three years ago, a client asked me: "Nishaant, can we just replace our PostgreSQL with ClickHouse for all analytics?" They were sick of slow aggregate querie...

55

ClickHouse alternative to PostgreSQL 2026: The real trade-offs

I spent the first half of 2025 helping a fintech startup scale their real-time analytics. They'd built everything on PostgreSQL — standard stuff. But by Ap...

56

ClickHouse vs PostgreSQL 2026 Performance Benchmark: What We Learned Building at Scale

Last month at SIVARO, we benchmarked ClickHouse against PostgreSQL 2026 for a client ingesting 50 million events per day. The results surprised me. Most engi...

57

ClickHouse vs PostgreSQL Cost Comparison: What Nobody Tells You

Last year I watched a startup burn $80K/month on Postgres analytics. They had 50TB of event data, ran complex aggregation queries, and kept adding more repli...

58

ClickHouse vs PostgreSQL for Real-Time Analytics: The 2026 Guide

Two years ago, I was on a call with a logistics company in Singapore. They had a PostgreSQL cluster that could barely serve a real-time dashboard with 50 con...

59

ClickHouse vs PostgreSQL for Time Series Data: The 2026 Guide

I had a client last month. They were ingesting 500 million sensor records a day. Their PostgreSQL cluster was drowning. Slow queries, connection pool exhaust...

60

ClickHouse vs PostgreSQL Latency: Lessons from 200K Events/sec

You’re building a system that needs to answer “what happened in the last 10 seconds?” — and you need it in under 20 milliseconds. You look at Postgre...

61

ClickHouse vs PostgreSQL Performance Benchmark 2026

I run SIVARO. We build data infrastructure and production AI systems. Nearly every client asks the same question: "Should we use ClickHouse or PostgreSQL for...

62

ClickHouse vs PostgreSQL: Query Speed Showdown 2026

You’re building something that needs to query billions of rows fast. Maybe it’s a real-time dashboard for customer analytics. Maybe it’s an internal to...

63

ClickHouse or PostgreSQL for Time Series Data? (2026 Guide)

I’ve been building time-series systems for eight years. At SIVARO we process over 200,000 events per second across IoT, observability, and financial tick d...

64

ClickHouse vs PostgreSQL Cost Comparison 2026

You're running a query that takes twelve seconds in PostgreSQL. Your team says "just add more RAM." Your CFO says "just switch to ClickHouse." I've seen this...

65

ClickHouse vs PostgreSQL Feature Comparison 2026

You don't pick a database because of benchmarks. You pick it because your engineering team stops waking up at 3 AM. I learned that the hard way back in 2021 ...

66

ClickHouse vs PostgreSQL for Log Analytics: The Real-World Guide

I’ve spent the last eight years building data systems that process hundreds of thousands of events per second. Log analytics is where most of my scars come...

67

ClickHouse vs PostgreSQL for Real-Time Analytics

Two years ago, one of our clients at SIVARO hit a wall. They were streaming 500K events per second from IoT sensors into PostgreSQL. Queries that took 200ms ...

68

ClickHouse vs PostgreSQL Performance 2026: The Real-World Guide

I spent January 2026 rebuilding a customer's analytics pipeline. They had 47 PostgreSQL instances. Replication lag was killing their dashboards. Queries that...

69

ClickHouse vs PostgreSQL Scalability Benchmark: A 2026 Guide

Let me tell you a story. Six months ago, a client called me. They had a PostgreSQL database that was dying. 12TB of time-series data. Queries taking minutes....

70

How to Choose Between ClickHouse and PostgreSQL

I’ll tell you a story. Last year, a startup came to us at SIVARO. They had built their entire analytics stack on PostgreSQL. Not a tiny dashboard — a cus...

71

How to Use A2A?

I spent the first six months of 2026 thinking Agent-to-Agent (A2A) protocols were a solution in search of a problem. Then I watched two AI agents deadlock ov...

72

How to Use Gemini AI Photo: A Practical Guide

I've spent the last eight years building production AI systems. At SIVARO, we process over 200,000 events per second across data pipelines. And I've seen the...

73

Migrate from PostgreSQL to ClickHouse: A Practical Guide (2026)

First, a confession. I spent 2020 telling everyone PostgreSQL was the only database you’d ever need. I was wrong. Not about PostgreSQL itself — it’s st...

74

What Is the Most Cost-Effective House Design to Build?

I’ve spent the last eight years building data systems that digest hundreds of thousands of events per second. But last year I walked a different kind of pi...

75

When to Use ClickHouse Instead of PostgreSQL in 2026

Last month I watched a client’s PostgreSQL cluster melt under 5,000 concurrent analytics queries. The CPU hit 99%%. Query latency spiked from 50ms to 12 sec...

76

is clickhouse completely free? The honest answer in 2026

I've been on the receiving end of this question maybe 50 times this year alone. Usually from an engineering leader who just saw the ClickHouse sticker on a t...

77

What Does ClickHouse Do? (A Practitioner’s Guide for 2026)

I spent most of 2022 telling people “ClickHouse is the fastest thing I’ve ever seen for analytics queries on petabyte-scale data.” They’d nod politel...

78

What House Style Is the Cheapest to Build? A Data Infrastructure Engineer’s Honest Take

You think you know the answer. A rectangular box. No frills. Builder-grade everything. Most people say a ranch or a tiny house. They’re wrong. I spent last...

79

What Is ClickHouse and Why Is It Used? A 2026 Guide

You’re staring at a dashboard that takes 30 seconds to load a 3-month aggregation. Your users are leaving. Your PostgreSQL replica is crying. You’ve trie...

80

Is ClickHouse Better Than PostgreSQL?

I'll cut straight to it: there's no universal "better" between ClickHouse and PostgreSQL. Anyone who tells you otherwise is selling something. But here's wha...

81

Is ClickHouse Completely Free? The Real Cost of Real-Time Analytics

Let me start with a story. In March 2024, I was on a call with a CTO who had just migrated their entire analytics stack to ClickHouse. He was ecstatic. "It's...

82

ClickHouse vs PostgreSQL 2026: The Real Choice Isn't What You Think

You're building something that needs a database. Maybe it's a real-time analytics dashboard. Maybe it's a high-traffic application with millions of users. Ma...

83

ClickHouse vs Snowflake: Is the OLAP Champion Changing?

Let me save you six months of evaluation. I’ve built data infrastructure for over half a decade at SIVARO. I’ve seen teams burn budgets on Snowflake. I�...

84

ClickHouse: What Is It Used For? A Practitioner’s Guide

I’ve spent the last six years building data infrastructure at SIVARO. We process about 200,000 events per second for clients in ad tech, finance, and IoT. ...

85

Does ChatGPT Use MCP?

I get asked this question almost every week. Usually by a founder who's deep in vendor evaluation. Sometimes by an engineer who's been told to "figure out th...

86

Is ClickHouse Better Than Snowflake?

I was pitching SIVARO's data infrastructure services to a fintech CTO in mid-2023. Their team had been bleeding money on Snowflake for 18 months. $2.3 millio...

87

Is ClickHouse Better Than Snowflake? A Field Guide for Engineers Who Build

I remember the exact moment I stopped caring about the hype. It was late 2022. My team at SIVARO was building a real-time analytics pipeline for a fintech cl...

88

Is ClickHouse Better Than Snowflake? A Practitioner's Guide

You're staring at a $40,000 Snowflake bill for a query that ran in 12 seconds. Your team ran it 800 times last month. You do the math — that's $50 per exec...

89

Is ClickHouse Better Than Snowflake? A Practitioner's Guide to Choosing Your OLAP Engine

I spent six months migrating a client off Snowflake to ClickHouse in 2023. The CTO thought I was insane. "Everyone uses Snowflake," he said. He wasn't wrong....

90

is clickhouse better than snowflake? A Practitioner's Honest Take

I've spent the last six years building data systems. At SIVARO, we process 200K events per second on production AI pipelines. And here's what I've learned ab...

91

Is ClickHouse Better Than Snowflake? The Real Answer

I spent six months in 2023 migrating a client’s analytics stack from Snowflake to ClickHouse. Fifty terabytes of event data, 200 concurrent queries per sec...

92

Is ClickHouse Better Than Snowflake? The Real Answer (2025)

Here's the short version: it depends on what you're building. I'm Nishaant Dixit, founder of SIVARO. My team builds data infrastructure and production AI sys...

93

Is ClickHouse SQL or NoSQL?

I’ve lost count of how many times someone has asked me: "Is ClickHouse SQL or NoSQL?" Usually they’re staring at a columnar database that ingests 100K ro...

94

What is ClickHouse Used For? A No-Fluff Guide for Engineers

I remember the exact moment I stopped believing in "one analytics database to rule them all." It was 2021. We were running a real-time customer analytics das...

95

What Is ClickHouse Used For? A Practitioner's Guide

You're staring at a petabyte of event data. Your dashboard queries take 45 seconds. Your analytics team is quietly building shadow data pipelines in Python b...

96

What Is ClickHouse Used For? A Practitioner's Guide to Real-Time Analytics at Scale

I spent 2018 to 2021 building data pipelines that kept collapsing under their own weight. We'd start with PostgreSQL, hit 50 million rows, and suddenly dashb...

97

What is ClickHouse Used For? A Practitioner's Guide to Real-Time Analytics at Scale

I remember the exact moment ClickHouse stopped being an experiment and became our default. July 2021. We were rebuilding an ad analytics platform at SIVARO f...

98

What Is ClickHouse Used For? The Real Answer From a Builder

Let me tell you a story. In 2019, I was building a real-time analytics dashboard for a logistics client. PostgreSQL was choking on 50 million rows per day. W...

99

What Is ClickHouse Used For? The Real Answer From Building With It

I spent six years building data infrastructure. ClickHouse kept coming up in every architecture review, every POC, every "can you just make this query faster...

100

What Is ClickHouse Used For? The Real-World Guide

You’re building something. A dashboard. An internal analytics tool. A real-time system that needs to query billions of rows in under a second. You’ve hea...

101

Why ClickHouse Beats Snowflake (and Where It Doesn’t)

I spent two years building a real-time analytics platform at a startup that shall remain unnamed. We started with Snowflake. By month six, we were bleeding c...

102

ClickHouse: What It's Actually Used For (And Why It Keeps Eating Snowflake's Lunch)

I've been building data infrastructure since 2018. Before that, I spent years watching teams fall in love with a database, hit a wall at petabyte scale, then...