Percona

DECEMBER 22, 2023

​​MongoDB is a schemaless database that is extremely flexible. MongoDB does not require any ALTER statement to modify the schema of a collection, like in a relational database. When you create a collection, you don’t have to specify a structure in advance, providing field names and data types.

Database 85

Database Open Source Testing Monitoring 85

Percona

MARCH 29, 2023

ALTER employees.salaries ENGINE=Innodb; One can also use pt-online schema change to recreate the table, which will not lock the table and have other benefits ( Using Percona Toolkit to Alter Database Tables Online: A Controlled Approach ) as well. sec) But once the data is misplaced, it does not return any rows.

Engineering 97

Engineering Open Source Database Scalability 97

The Netflix TechBlog

MARCH 25, 2019

Central engineering teams provide paved paths (secure, vetted and supported options) and guard rails to help reduce variance in choices available for tools and technologies to support the development of scalable technical architectures. Challenges We faced a diverse set of challenges spread across many layers in the system. come join us.

Infrastructure 219

Infrastructure Big Data Transportation Architecture 219

Adrian Cockcroft

JUNE 21, 2022

We had specializations in hardware, operating systems, databases, graphics, etc. At one point we had two conflicting high availability products from different teams, who weren’t cooperating. It was the first database sizing guide Sun had ever produced. Jim also joined the database performance team.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Highly Scalable

MARCH 10, 2015

This approach can be expressed in more formal way by the following equation: where is the data available for analysis, is the space of a retailer’s actions and decisions, is an econometric model defined as a function of actions and data, and is the optimal strategy. This framework resembles the approach suggested in [JK98].

Retail 152

Retail C++ Analytics Metrics 152