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Performance

PostgreSQL's Impressive Scalability
·2177 words·11 mins
This article describes how Cloudflare scaled to support 55 million requests per second using 15 PostgreSQL clusters, and PostgreSQL’s scalability performance.
PostgreSQL Macro Query Optimization with pg_stat_statements
·4341 words·21 mins
Query optimization is one of the core responsibilities of DBAs. This article introduces how to use metrics provided by pg_stat_statements for macro-level PostgreSQL query optimization.
How Powerful is PostgreSQL Really?
·2319 words·11 mins
Let performance data speak: Why PostgreSQL is the world’s most advanced open-source relational database, aka the world’s most successful database. MySQL vs PostgreSQL performance showdown and distributed database reality check.
Using sysbench to Test PostgreSQL Performance
·301 words·2 mins
Although PostgreSQL provides pgbench, sometimes you need sysbench to outperform MySQL.
Testing Disk Performance with FIO
·335 words·2 mins
FIO is a convenient tool for testing disk I/O performance