Remove c
article thumbnail

Using Huge Pages with PostgreSQL Running Inside Kubernetes

Percona

Please check out the Why Linux HugePages are Super Important for Database Servers: A Case with PostgreSQL blog post for more information. OS maintains a huge list of allocated and free pages to make slow but reliable address translation from virtual to physical. Unfortunately, the performance in benchmarks is almost the same as for 4KB pages.

C++ 105
article thumbnail

Percona Toolkit – A Quick Introduction to Summary

Percona

You can get summaries of your database servers, or you verify replication lag on MySQL and PostgreSQL servers. You get thirty-eight scripts that can do any manner of actions, and you will find them very valuable in your regular database work. And did I mention they are open source?! 25 Buffer Pool Size | 128.0M

Cache 106
Insiders

Sign Up for our Newsletter

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

article thumbnail

Data Redundancy With the PostgreSQL Citus Extension

Percona

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. Extension citus has been created in database db01. Now let’s stretch our imagination and consider a second method of high availability, ala Citus.

C++ 84
article thumbnail

HammerDB v4.3 New Features Pt1: Graphical Metrics for PostgreSQL

HammerDB

HammerDB included a graphical performance metrics view for the Oracle database only. HammerDB includes the same functionality for PostgreSQL enabling the user to drill down on database metrics in real time. usr/bin/install -c -m 644./pg_stat_statements--1.4.sql./pg_stat_statements--1.8--1.9.sql./pg_stat_statements--1.7--1.8.sql./pg_stat_statements--1.6--1.7.sql./pg_stat_statements--1.5--1.6.sql./pg_stat_statements--1.4--1.5.sql.

Metrics 63
article thumbnail

Configuring PostgreSQL and LDAP Using StartTLS

Percona

Although the installation of LDAP includes setting the password, which will be admin, by executing the following command, one can reset the password at will: # Select "No" when asked to configure the database with dbconfig-common. # Set the domain name for your LDAP server, for example, "example.com". #

C++ 74
article thumbnail

High Memory Usage on ProxySQL Server

Percona

Proxysql has a stats database which we can see with an admin login. This database contains metrics gathered by ProxySQL concerning its internal functioning. Your MySQL connection id is 1 Server version: 5.5.30 (ProxySQL Admin Module) Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Explanation.

Servers 60
article thumbnail

SQL Server I/O Basics Chapter #2

SQL Server According to Bob

KB sectors run on smaller sectors   14 System and sample databases   15 Determining the formatted sector size of database   15 What sector sizes does SQL Server support? SQL Server 2005 introduces the snapshot database feature for point-in-time databases ​​ and online DBCC operations.

Servers 40