Percona

DECEMBER 27, 2022

Encrypting data at rest in a database management system (DBMS) refers to securing data by encrypting it when it is not being used or accessed. Several tools are available for implementing disk-level encryption, including BitLocker for Windows, dm-crypt for Linux, and FileVault for MacOS. Encryption available in databases.

Database 92

Database Storage Servers Strategy 92

Percona

AUGUST 29, 2018

For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. PostgreSQL uses System V (SysV) that requires SHMMAX setting. So now it requires fewer bytes of System V shared memory. DETAIL: Failed system call was shmget(key=1, size=2072576, 03600). Until version 9.2,

Tuning 54

Tuning Database Servers Processing 54

Percona

AUGUST 29, 2023

Data redundancy, a database version of a RAID Pondering the case of high availability and redundancy, one replicates data by creating a replica via streaming replication. Now let’s stretch our imagination and consider a second method of high availability, ala Citus. Much of what I will show you makes heavy use of them.

C++ 78

C++ Database Storage Testing 78

Testsigma

MAY 5, 2021

Plus, there are multiple versions of operating systems and screen resolutions that our users browse content on. . Also, we can run tests in parallel across various browsers that are available on the local machines. with Safari at 8.87%. Picture Credit: Kinsta. According to Sweor , users take only 0.05 Picture Credit: MultiBrowser.

Testing Tools 74

Testing Tools Testing Internet Internet 74

Brendan Gregg

AUGUST 18, 2019

This example instrumented one of many thousands of available events. BPF has been extended (aka eBPF) in recent years for providing a safe way to extend kernel functionality, and has become a hot topic in systems engineering, with at least 24 talks on BPF at the last Linux Plumber's conference. system(".") pid process ID.

Latency 68

Latency C++ Cache Programming 68

Tim Kadlec

SEPTEMBER 6, 2018

Web fonts fallback very easily to system fonts so disabling web fonts is not a huge deal to most. The two results that jump out right away as oddities are The Atlantic and The Verge which managed to get a whopping 293% and 2048% heavier without JavaScript. But disabling JavaScript is a much more controversial move, it appears.

Network 71

Network Testing Cache Google 71

SQL Server According to Bob

JANUARY 11, 2020

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Servers 40

Servers Cache Database Media 40