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pgbench — Run a benchmark test on PostgreSQL. More information: <https://www.postgresql.org/docs/current/pgben

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandrunbenchmarkclimoretestpostgresqlpgbench

Problem

How to use the pgbench command: Run a benchmark test on PostgreSQL. More information: <https://www.postgresql.org/docs/current/pgbench.html>.

Solution

pgbench — Run a benchmark test on PostgreSQL. More information: <https://www.postgresql.org/docs/current/pgbench.html>.

Initialize a database with a scale factor of 50 times the default size:

pgbench --initialize --scale={{50}} {{database_name}}

Benchmark a database with 10 clients, 2 worker threads, and 10,000 transactions per client:

pgbench --client={{10}} --jobs={{2}} --transactions={{10000}} {{database_name}}

Code Snippets

Initialize a database with a scale factor of 50 times the default size

pgbench --initialize --scale={{50}} {{database_name}}

Benchmark a database with 10 clients, 2 worker threads, and 10,000 transactions per client

pgbench --client={{10}} --jobs={{2}} --transactions={{10000}} {{database_name}}

Context

tldr-pages: common/pgbench

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