article thumbnail

What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. This was followed by a greatly expanded second edition with some additional chapters by Rich Pettit.

Tuning 52
article thumbnail

Tuning Autovacuum in PostgreSQL and Autovacuum Internals

Percona

The performance of a PostgreSQL database can be compromised by dead tuples, since they continue to occupy space and can lead to bloat. Now, though, it’s time to look at autovacuum for postgres, and the internals you to know to maintain a high performance PostgreSQL database needed by demanding applications.

Tuning 44
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

MongoDB Best Practices: Security, Data Modeling, & Schema Design

Percona

The main objective of this post is to share my experience over the past years tuning MongoDB and centralize the diverse sources that I crossed in this journey in a unique place. For bare metals, any algorithm among deadline or noop (the performance difference between them is imperceptible) will be better than CFQ.

article thumbnail

Is It a Read Intensive or a Write Intensive Workload?

Percona

Because recognizing if the workload is read intensive or write intensive will impact your hardware choices, database configuration as well as what techniques you can apply for performance optimization and scalability. While our white paper Performance at Scale could provide useful insight if you are at the planning or review stage.

article thumbnail

Netflix Cloud Packaging in the Terabyte Era

The Netflix TechBlog

The ProRes codec family provides great editing performance and image quality. As described by the white paper Apple ProRes ( link ), the target data rate of the Apple ProRes HQ for 1920x1080 at 29.97 Figure 4: Overview of Writable MezzFS Design Use of MezzFS is not without its cost in terms of performance. is 220 Mbps.

Cloud 237
article thumbnail

SQL Server I/O Basics Chapter #2

SQL Server According to Bob

This White Paper is for informational purposes only. ​​ This is similar to the ​​ suspend and resume ​​ operations performed by ​​ the operating system. ​​ MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS DOCUMENT.

Servers 40
article thumbnail

SQL Server I/O Basics Chapter #1

SQL Server According to Bob

This will help you increase system performance and avoid I/O environment errors. This White Paper is for informational purposes only. Atomicity A transaction must be an atomic unit of work; either all of its data modifications are performed or none of them are performed.

Servers 40