Just-in-time (JIT in PostgreSQL) compilation of SQL statements is one of the highlighted features in PostgreSQL 11. There is great excitement in the community because of the many claims of up to a 30% jump in performance. Not all queries and workloads get the benefit of JIT compilation. So you may want to test your workload against this […]Read more
Authorisations and encryption/decryption within a database system establish the basic guidelines in protecting your database by guarding against malicious structural or data changes.
What are authorisations?
Authorisations are the access privileges that mainly control what a user can and cannot do on the database server for one or more databases. So consider this to be like […]
Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. Default values are set to ensure that PostgreSQL runs everywhere, with the least resources it can consume and so that it doesn’t cause any vulnerabilities. It has default settings for all of the database parameters. It is primarily the […]Read more
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. In this post, we will discuss some important Linux kernel […]Read more
Percona has a long tradition of performance investigation and benchmarking. Peter Zaitsev, CEO and Vadim Tkachenko, CTO, led their crew into a series of experiments with MySQL in this space. The discussion that always follows on the results achieved is well known and praised even by the PostgreSQL community. So when Avi joined the […]Read more
Welcome to another interview blog for the rapidly-approaching Percona Live 2018. Each post in this series highlights a Percona Live 2018 featured talk at the conference and gives a short preview of what attendees can expect to learn from the presenter.
This blog post highlights Payal Singh, DBA at OmniTI Computer Consulting Inc. Her talk is […]
Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL and MongoDB performance. You can run PMM in your own environment for maximum security and reliability. It provides thorough time-based analysis for MySQL and MongoDB servers to ensure that your data works as efficiently as possible.
Starting with version 1.4.0 and improved in 1.7.0, PMM supports external monitoring services. This […]
Let’s look at some of the most popular Percona Database Performance Blog posts in 2017.
The closing of a year lends itself to looking back. And making lists. With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple […]
Announcing the opening of the Percona Live Open Source Database Conference 2018 in Santa Clara, CA, call for papers. It will be open from now until December 22, 2017.
Our theme is “Championing Open Source Databases,” with topics of MySQL, MongoDB and other open source databases, including PostgreSQL, time series databases and RocksDB. Sessions tracks include Developers, Operations […]
Percona Live Europe Session Interview: High-Performance JSON – PostgreSQL Vs. MongoDB with Wei Shan Ang and Dominic Dwyer (GlobalSign)
The Percona Live Europe 2017 conference has been going strong for two days, and I’ve been to a bunch of presentations. An excellent one was High-Performance JSON – PostgreSQL Vs. MongoDB with Wei Shan Ang and Dominic Dwyer of GlobalSign.
This talk was very engaging and well attended and provided some enlightening stats from their experiments […]