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Tag: storage

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Here you can find all blog posts about the Tag: storage. You can go back to all blog posts or take a look into our other categories & tags.

Citus: Row store vs. column store in PostgreSQL

by Hans-Jürgen Schönig | 09.2023
Row store vs. column store - a lot has been written about this topic in the context of PostgreSQL and […]

Cleaning up a large number of BLOBs in PostgreSQL

by Hans-Jürgen Schönig | 04.2021
Basically, there are two ways to delete BLOBs (binary large objects):Change the PostgreSQL configuration or delete the BLOBs in chunks.

When to use tablespaces in PostgreSQL

by Laurenz Albe | 03.2021
  Users with an Oracle background consider tablespaces very important and are surprised that you can find so little information […]

Is UPDATE the same as DELETE + INSERT in PostgreSQL?

by Laurenz Albe | 12.2020
  Introduction We know that PostgreSQL does not update a table row in place. Rather, it writes a new version […]

BLOB cleanup in PostgreSQL

by Hans-Jürgen Schönig | 12.2020
PostgreSQL offers a nice BLOB interface which is widely used. Learn more about how PostgreSQL handles BLOBs - and especially BLOB cleanup.

zheap: Reinvented PostgreSQL storage

by Hans-Jürgen Schönig | 10.2020
zheap is a way to keep table bloat under control by implementing a storage engine capable of running UPDATE-intense workloads a lot more efficiently.

Will more disks get you better PostgreSQL performance?

by Hans-Jürgen Schönig | 09.2016
Find out whether to buy more hardware to fix performance problems - which are in many cases not caused by bad disk performance.

PostgreSQL underused features - WAL compression

by CYBERTEC Guest | 06.2016
WAL compression is a new feature of PostgreSQL 9.5 that not many are yet aware of. This post provides a testcase highlighting the benfits.

Shrink the storage footprint of PostgreSQL data

by Hans-Jürgen Schönig | 08.2014
Keep the order of your columns in mind to unleash optimization potentials and reduce the table size in your PostgreSQL database.

Reducing space consumption

by Hans-Jürgen Schönig | 10.2013
After digging through some customer source code yesterday I thought that it might be worth publishing a post about space consumption and enum types. It seems to be quite common to store status information as text fields. This is highly inefficient.
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