Percona

MARCH 27, 2023

On MySQL and Percona Server for MySQL , there is a schema called information_schema (I_S) which provides information about database tables, views, indexes, and more. The same tests have been executed in Percona Server for MySQL 5.7 Results for Percona Server for MySQL 5.7 Results for Percona Server for MySQL 5.7

Cache 105

Cache Hardware Servers Benchmarking 105

Percona

JUNE 15, 2023

Sometimes we might need to install/upgrade Percona Server for MySQL /MySQL 8 to a particular version in a test or production environment. Install Percona Server for MySQL 8 specific version packages via repository. Download specific Percona Server for MySQL 8 tarball packages and install them manually. bullseye amd64 1.7

Servers 87

Servers C++ Database Systems 87

Percona

DECEMBER 5, 2022

ProxySQL is a very useful tool for gaining high availability, load balancing, query routing, query caching, query rewriting, multiplexing, and data masking. There can be an instance of ProxySQL using a lot of memory on the server. It is a proven tool and is used largely in production. Commands end with ; or g.

Servers 59

Servers Cache C++ Metrics 59

SQL Performance

MAY 22, 2019

It’s one of the things we look at during a health audit, and Kimberly has a great query from her Plan cache and optimizing for adhoc workloads post that’s part of our toolkit. About 1GB of the plan cache is for prepared and procedure plans, and they only take up about 300MB worth of space. DBCC FREEPROCCACHE ; GO. EXEC dbo. [

Cache 54

Cache Performance Hardware Servers 54

HammerDB

OCTOBER 17, 2018

For a really quick answer create a schema with 250-500 warehouses per server CPU socket for more details size as follows. . However most people use HammerDB with keying and thinking time disabled and therefore each virtual user can approximately drive the CPU resources of one CPU core on the database server.

C++ 40

C++ Testing Virtualization Cache 40

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “.

Servers 90

Servers Media Cache Storage 90

SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106