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Why should I get rid of unused indexes? Everybody knows that a database index is a good thing because it […]
Long PostgreSQL transactions can cause table bloat. idle_in_transaction_session_timeout limits the duration of a transaction to prevent bloat
PostgreSQL can be used for more than just trivial queries. A look into what a window function does: first_value and last_value in PostgreSQL.
To improve PostgreSQL transaction latency for OLTP systems a good trick is to move indexes of busy tables to fast SSD media.
How to improve speed is by rearranging window functions in a clever way: some clever optimization can give you better database performance.
Why vacuum? Whenever rows in a PostgreSQL table are updated or deleted, dead rows are left behind. VACUUM gets rid […]
What does PostgreSQL Full-Text-Search have to do with VACUUM? Find out about the GIN pending list and how to use it to improve performance.
More than copy data between a file and a table: a pretty cool feature was added to PostgreSQL. You can send data directly to the UNIX pipe.
About sequences Sequences are used to generate artificial numeric primary key columns for tables. A sequence provides a “new ID” […]
How does the PostgreSQL optimizer handle views? Are views good or bad? Write better and faster code, improve performance.
This blog post shows you how to calculate pgbench scaling factors for target database size in PostgreSQL.
Every DBA in charge of PostgreSQL should know, how to track down potential performance problems to figure out, what is really going on.
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