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Is ClickHouse better than PostgreSQL for handling billions of clickstream events on a tight cloud budget for my side project

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Is ClickHouse better than PostgreSQL for handling billions of clickstream events on a tight cloud budget for my side project
1 real search · 1 real-search pass
ClickHouse official documentation columnar storage compression MergeTree inserts PostgreSQL partitioning BRIN indexes analytics comparison 2026Google ↗
OBSERVEDComparison

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (1)
Short factOther / navigationalComparison100%ConsequenceReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model).

Searches and sources

ChatGPT1 real searches · gpt-6
ClickHouse official documentation columnar storage compression MergeTree inserts PostgreSQL partitioning BRIN indexes analytics comparison 2026 Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
ClickHouse official documentation columnar storage compression MergeTree inserts PostgreSQL partitioning BRIN indexes analytics comparison 2026
OBSERVED
Google ↗
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