Percona

OCTOBER 3, 2023

Transparent Huge Pages (THP) is a memory management feature in Linux operating systems that aims to enhance system performance. In this post, we will explore THP, its impact on database servers, and how to disable it for optimal performance and stability. What are Transparent Huge Pages?

Database 91

Database Servers Open Source C++ 91

Percona

DECEMBER 19, 2023

deb package, or as source code on github. As these fields do not contain sensitive data, this is not a security issue and helps with the performance and simplicity of the extension. This, with some additional information, is what gets stored in the.tde file: hexdump -C /tmp/tdedata/postgresql/data/base/5/16397.tde

Open Source 86

Open Source Storage Database C++ 86

Sutter's Mill

JULY 12, 2010

From the article: … Active objects dramatically improve our ability to reason about our thread’s code and operation by giving us higher-level abstractions and idioms that raise the semantic level of our program and let us express our intent more directly. NET, Java, and C/Pthreads. Sep 2007). Sep 2007). Feb 2008).

C++ 40

C++ Java Programming Website 40

Brendan Gregg

JANUARY 17, 2018

The tools use either the referenced or the idle page flags to measure a page-based WSS, and were developed out of necessity for another performance problem. ## Method 1: Referenced Page Flag This uses a kernel feature added in Linux 2.6.22: the ability to set and read the referenced page flag from user space, added for analyzing memory usage.

Cache 71

Cache Latency C++ Programming 71

Sutter's Mill

AUGUST 27, 2010

Finally, here are links to previous Effective Concurrency columns: 1 The Pillars of Concurrency (Aug 2007). Sep 2007). 3 Use Critical Sections (Preferably Locks) to Eliminate Races (Oct 2007). 4 Apply Critical Sections Consistently (Nov 2007). 14 Lock-Free Code: A False Sense of Security (Sep 2008).

Website 40

Website Scalability Code Design 40

Brendan Gregg

JANUARY 16, 2018

The tools use either the referenced or the idle page flags to measure a page-based WSS, and were developed out of necessity for another performance problem. ## Method 1: Referenced Page Flag This uses a kernel feature added in Linux 2.6.22: the ability to set and read the referenced page flag from user space, added for analyzing memory usage.

Cache 40

Cache Latency C++ Programming 40

High Scalability

NOVEMBER 25, 2019

Egnyte is a secure Content Collaboration and Data Governance platform, founded in 2007 when Google drive wasn't born and AWS S3 was cost-prohibitive. Java used to power core file system code. Python used to power client-side code, certain microservices, migration scripts, internal scripts. Egnyte was founded in 2007.

Architecture 52

Architecture Cache Azure Storage 52