Percona

DECEMBER 20, 2023

Modern servers operate with terabytes of RAM, and by default, processors work with virtual memory address translation for each 4KB page. Please check out the Why Linux HugePages are Super Important for Database Servers: A Case with PostgreSQL blog post for more information. It’s easy with anydbver and k3d.

C++ 96

C++ Virtualization Benchmarking Database 96

Percona

DECEMBER 5, 2022

There can be an instance of ProxySQL using a lot of memory on the server. This post is related to one of the causes that can use memory on the ProxySQL server and how we handle it. Proxysql has a stats database which we can see with an admin login. 2) mysql-query_digests_max_digest_length – This is by default set to 2048.

Servers 59

Servers Cache C++ Metrics 59

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. And did I mention they are open source?! virtual = 2.2G

Cache 97

Cache Database Virtualization Servers 97

SQL Server According to Bob

JANUARY 31, 2017

If my memory serves me correctly SQL Server started using the ReadFileScatter and WriteFileGather APIs in SQL Server 6.5 On Linux the capabilities are called “ Vectored I/O.” – Example writev SQL Server on Linux takes full advantage of vectored I/O, retaining the performance and design benefits.

Servers 40

Servers Software Engineering Operating System Database 40

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. TDE can be applied at various levels, such as at the database, column, or cell level, depending on the organization’s specific security needs. Database-level encryption.

Database 93

Database Storage Servers Strategy 93

Percona

AUGUST 21, 2023

While trying to be as complete yet succinct as possible, I’m detailing how to enable TLS between a PostgreSQL and the OpenLDAP server. Username accounts, but not passwords, are created on the Postgres server. Both username accounts and passwords are configured on the LDAP server. 0 ldap ldapserver=127.0.0.1

C++ 68

C++ Servers Open Source Testing 68

Percona

AUGUST 29, 2018

For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. Poorly configured OS kernel parameters can cause degradation in database server performance. Therefore, it is imperative that these parameters are configured according to the database server and its workload.

Tuning 54

Tuning Database Servers Processing 54