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Making a Postgres query 1,000 times faster

Learn how we discovered what was slowing down large database queries, and what we did to make Postgres queries 1000x faster.

Laurenz albeMattermost performance monitoring grafanaIndex condIncremental sortPosts createatIndex scanNested loop left join

PostgreSQL: Documentation: 16: F 7 bloom — bloom filter index access method

PostgreSQL: Documentation: 16: F 7 bloom — bloom filter index access method
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Alexander korotkovOleg bartunovRows removedExecution timeHeap scanRecheck condIndex recheckBitmap index scanIndex condPlanning timeClass interfacePostgres professional

My Notes on GitLab Postgres Schema Design

I spent some time going over the Postgres schema of Gitlab. GitLab is an alternative to Github. You can self host GitLab since it is an open source DevOps platform. My motivation to understand the schema of a big project like Gitlab was to compare it against schemas I am designing and learn some best…

Gitlab postgresGeneralized inverted indexBitmap heap scanRecheck condBitmap index scanIndex condPrimary key typeCharacter types documentation

The Surprising Impact of Medium-Size Texts on PostgreSQL Performance

Any database schema is likely to have plenty of text fields. In this article I demonstrate the surprising impact of medium-size texts on query performance.

Louise lyshAsvalue insertintotoastSeq scanRows removedExecution timeIndex scanIndex cond