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MariaDB 5.5.59 now available

The MariaDB project is pleased to announce the immediate availability of MariaDB 5.5.59. This is a stable (GA) release. See the release notes and changelog for details. Download MariaDB 5.5.59 Release Notes Changelog What is MariaDB 5.5? MariaDB APT and YUM Repository Configuration Generator Thanks, and enjoy MariaDB!

The post MariaDB 5.5.59 now available appeared first on MariaDB.org.

Percona Monitoring and Management (PMM) 1.6.0 Is Now Available

Percona announces the release of Percona Monitoring and Management (PMM) 1.6.0. In this release, Percona Monitoring and Management Grafana metrics are available in the Advanced Data Exploration dashboard. We’ve improved the integration with MyRocks, and its data is now collected from SHOW GLOBAL STATUS.

The MongoDB Exporter now features two new metrics: mongodb_up to inform if the MongoDB Server is running and mongodb_scrape_errors_total reporting the total number of errors when scaping MongoDB.

In this release, we’ve greatly improved the performance of the mongodb:metrics monitoring service.

Percona Monitoring and Management (PMM) 1.6.0 also …

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This Week in Data with Colin Charles 24: more Meltdown, FOSDEM, Slack and reminiscing

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community.

There is still much going on when it comes to Meltdown/Spectre in our world. Percona’s Vadim Tkachenko and Alexey Stroganov recently published Does the Meltdown Fix Affect Performance for MySQL on Bare Metal?. You also want to read Mark Callaghan’s excellent work on this: Meltdown vs MySQL part 1: in-memory sysbench and a core i3 NUC, XFS, nobarrier and the 4.13 Linux kernel, …

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Does the Meltdown Fix Affect Performance for MySQL on Bare Metal?

In this blog post, we’ll look at does the Meltdown fix affect performance for MySQL on bare metal servers.

Since the news about the Meltdown bug, there were a lot of reports on the performance hit from proposed fixes. We have looked at how the fix affects MySQL (Percona Server for MySQL) under a sysbench workload.

In this case, we used bare metal boxes with the following specifications:

  • Two-socket Intel(R) Xeon(R) CPU E5-2683 v3 @ 2.00GHz (in total 56 entries in /proc/cpuinfo)
  • Ubuntu 16.04
  • Memory: 256GB
  • Storage: Samsung SM863 1.9TB SATA SSD
  • Percona Server for MySQL 5.7.20
  • Kernel (vulnerable) 4.13.0-21
  • Kernel (with Meltdown fix) 4.13.0-25

Please note, the current kernel for Ubuntu 16.04 contains only a Meltdown fix, …

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MariaDB 10.3.4 and MariaDB Connector/C 3.0.3 and 2.3.5 now available

The MariaDB project is pleased to announce the availability of MariaDB 10.3.4, the second beta release in the MariaDB 10.3 series, as well as MariaDB Connector/C 3.0.3, the latest stable release in the MariaDB Connector/J 3.0 series, and MariaDB Connector/C 2.3.5, the latest stable release in the MariaDB Connector/C 2.3 series. See the release notes […]

The post MariaDB 10.3.4 and MariaDB Connector/C 3.0.3 and 2.3.5 now available appeared first on MariaDB.org.

A tale of Corrupt InnoDB table, MySQL crash & recovery

I’m going to narrate you a story that happened around a crashing MyQL, Corrupted InnoDB table and finally the recovery by table restore. We will see how our database administrator…

The post A tale of Corrupt InnoDB table, MySQL crash & recovery first appeared on Change Is Inevitable.

New Video - Ten Tips to Secure MySQL & MariaDB

This video, based on last weeks blog “Ten Tips to Achieve MySQL and MariaDB Security”, walks you through ten different items to keep in mind when deploying a MySQL or MariaDB database to production.

Database security is an essential part of any system. With more and more news reports of widespread data breaches coming in from around the world, there is no better time to check your environments and make sure you have implemented these basic steps to remain secure.

ClusterControl for Database Security

ClusterControl provides advanced deployment, monitoring and management features to ensure your databases and their …

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Replication Will not Start On AWS RDS for MariaDB 10.2

AWS recently announced the release of MariaDB 10.2 for RDS. One of customer needs this release for GIS indexing .The recent encounter on a Replication issue with RDS MariaDB 10.2 is briefed here .

Problem Statement:

After the upgrade of replicas to MariaDB 10.2 on RDS, Once replication is stopped manually through “call mysql.rds_stop_replication;” or replication failed due to some error. Replication cannot be started back using “call mysql.rds_start_replication;” and there is no straightforward way or documented process to start the replication back. Also, most of the replication related RDS commands like skip errors etc will not work. This is due to the implementation of replication handling in RDS.

Summary:

On Jan 5, 2018, RDS announced support for MariaDB 10.2.  …

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Donkey System

Donkey system is a fully automatic MySQL database change system.
It gives a great help both to the release of the business and the company’s automated operation and maintenance.

Donkey.pptx
Donkey_intro.pdf

FOSDEM MySQL Community Dinner – Friday 2 Feb 2018 – Tickets Now Available!

FOSDEM is back in town, folks, and as usual, there will there be a MySQL and Friends Devroom. At this point, we can’t really remember what came first, was it the annual dinner or the devroom? Our memories of the past few years are particularly hazy on that…  Can’t imagine why.

Following a great tradition of dining together in style with members from all over the community, we have rented a by now familiar private space at ICAB, more detailed directions below.

A couple of things changed compared to the last couple of years. The community dinner will take place on Friday night 2 February, following the …

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