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PostgreSQL Performance Tuning: Optimizing Database Parameters for Maximum Efficiency

Percona

This blog was originally published in August 2018 and was updated in May 2023. Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload.

Tuning 52
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Percona Database Performance Blog 2018 Year in Review: Top Blog Posts

Percona

Let’s look at some of the most popular Percona Database Performance Blog posts in 2018. We’ve had nearly 4 million visits to the blog in 2018: thank you! As 2018 moves into 2019, let’s take a quick look back at some of the most popular posts on the blog this year. Linux OS Tuning for MySQL Database Performance.

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bpftrace (DTrace 2.0) for Linux 2018

Brendan Gregg

Here's key differences as of August 2018: Type DTrace bpftrace. to answer, an answer that directs further tuning: whether you need to separate applications on different disks, or tune one application's disk workload. ## Why did this take so long? function @ = quantize(value) @ = hist(value). variable this->name $name.

C++ 110
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Tune Linux Kernel Parameters For PostgreSQL Optimization

Percona

In this post, we will discuss some important kernel parameters that can affect database server performance and how these should be tuned. You can tune the difference between the two ratios depending on your disk IO load. You can tune other parameters for performance, but the improvement gains are likely to be minimal.

Tuning 57
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Tuning Autovacuum in PostgreSQL and Autovacuum Internals

Percona

This may help tune your table level autovacuum settings appropriately. sec < 2018-08-06 07:22:35.199 EDT > LOG: automatic analyze of table "vactest.scott.employee" system usage: CPU 0.00s/0.02u sec elapsed 0.15 Tuning Autovacuum in PostgreSQL. How do we identify the tables that need their autovacuum settings tuned ? .

Tuning 45
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USENIX LISA 2018: CFP Now Open

Brendan Gregg

The CFP for LISA18 is open now, and we’d love for you to submit talks and tutorials ideas by May 24th, 2018. In 2018, for the first time, LISA will be in Nashville, Tennessee, October 29-31, and will be hosted at the Omni Nashville Hotel , next to the Country Music Hall of Fame and Museum.

DevOps 43
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USENIX LISA 2018: CFP Now Open

Brendan Gregg

The CFP for LISA18 is open now, and we’d love for you to submit talks and tutorials ideas by May 24th, 2018. In 2018, for the first time, LISA will be in Nashville, Tennessee, October 29-31, and will be hosted at the Omni Nashville Hotel , next to the Country Music Hall of Fame and Museum.

DevOps 40