Monthly Archives - February 2019

Percona Server for MongoDB Operator 0.2.1 Early Access Release Is Now Available

Percona Server for MongoDB

Percona announces the availability of the Percona Server for MongoDB Operator 0.2.1 early access release.
The Percona Server for MongoDB Operator simplifies the deployment and management of Percona Server for MongoDB in a Kubernetes or OpenShift environment. It extends the Kubernetes API with a new custom resource for deploying, configuring and managing the application through the whole […]

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MySQL 8 is not always faster than MySQL 5.7

mysql 8 slower than mysql 5.7 sysbench

MySQL 8.0.15 performs worse in sysbench oltp_read_write than MySQL 5.7.25
Initially I was testing group replication performance and was puzzled why MySQL 8.0.15 performs consistently worse than MySQL 5.7.25.
It appears that a single server instance is affected by a performance degradation.
My testing setup
Hardware details:
Bare metal server provided by packet.net, instance size: c2.medium.x86
24 Physical Cores @ […]

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Parallel queries in PostgreSQL

parallel queries in postgresql

Modern CPU models have a huge number of cores. For many years, applications have been sending queries in parallel to databases. Where there are reporting queries that deal with many table rows, the ability for a query to use multiple CPUs helps us with a faster execution. Parallel queries in PostgreSQL allow us to […]

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Percona Monitoring and Management (PMM) 1.17.1 Is Now Available

Percona Monitoring and Management

Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL®, MongoDB®, and PostgreSQL performance. You can run PMM in your own environment for maximum security and reliability. It provides thorough time-based analysis for MySQL®, MongoDB®, and PostgreSQL® servers to ensure that your data works as efficiently as possible.
In this […]

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ProxySQL Native Support for Percona XtraDB Cluster (PXC)

galera proxy content image

ProxySQL in its versions up to 1.x did not natively support Percona XtraDB Cluster (PXC). Instead, it relied on the flexibility offered by the scheduler. This approach allowed users to implement their own preferred way to manage the ProxySQL behaviour in relation to the Galera events.
From version 2.0 we can use native ProxySQL support […]

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Percona Server for MongoDB 3.4.19-2.17 Is Now Available

Percona Server for MongoDB

Percona announces the release of Percona Server for MongoDB 3.4.19-2.17 on February 19, 2019. Download the latest version from the Percona website or the Percona Software Repositories.
Percona Server for MongoDB 3.4 is an enhanced, open source, and highly-scalable database that is a fully-compatible, drop-in replacement for MongoDB 3.4 Community Edition. It supports MongoDB 3.4 protocols and drivers.
Percona Server for MongoDB extends […]

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Percona Server for MySQL 5.7.25-28 Is Now Available

Percona Server for MySQL 8.0

Percona is glad to announce the release of Percona Server 5.7.25-28 on February 18, 2019. Downloads are available here and from the Percona Software Repositories.
This release is based on MySQL 5.7.25 and includes all the bug fixes in it. Percona Server 5.7.25-28 is now the current GA (Generally Available) release in the 5.7 series.
All software developed by Percona is open-source and free.
In this […]

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Percona Server for MongoDB 4.0.5-2 Is Now Available

Percona Server for MongoDB

Percona announces the release of Percona Server for MongoDB 4.0.5-2 on February 18, 2019. Download the latest version from the Percona website or the Percona Software Repositories.
Percona Server for MongoDB is an enhanced, open source, and highly-scalable database that is a fully-compatible, drop-in replacement for MongoDB 4.0 Community Edition. It supports MongoDB 4.0 protocols and drivers.
Percona Server for MongoDB extends Community Edition […]

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Deprecation of TLSv1.0 2019-02-28

end of Percona support for TLS1.0

Ahead of the PCI move to deprecate the use of ‘early TLS’, we’ve previously taken steps to disable TLSv1.0.
Unfortunately at that time we encountered some issues which led us to rollback these changes. This was to allow users of operating systems that did not – yet – support TLSv1.1 or higher to download Percona packages over […]

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