MariaDB post-release quality assurance in Debian and Ubuntu
Presentation from MariaDB Server Minifest Dec 9th, 2020.
See https://mariadb.org/minifest2020/distros/
FOSDEM2021: MariaDB post-release quality assurance in Debian and UbuntuOtto Kekäläinen
Presentation slides from FOSDEM 2021.
Talk covers the MariaDB packaging in two of the most widely-used Linux distros, Debian and Ubuntu, including the strict requirements demanded by distros, and the impact on fixing bugs “upstream” in MariaDB itself.
A brief introduction to MySQL (Group) Replication: what it is and some of the architecture.
Then, a highlight of the most important new replication features in MySQL 8 (as of 8.0.3 RC).
Tips to drive maria db cluster performance for nextcloudSeveralnines
Nextcloud requires a database to store administrative data for the platform. A poorly performing database can have a serious impact on performance and availability of Nextcloud. MariaDB Cluster is the recommended database backend for production installations that require high availability and performance.
This talk is a deep dive into how to design and optimize MariaDB Galera Cluster for Nextcloud. We will cover 5 tips on how to significantly improve performance and stability.
Agenda:
Overview of Nextcloud architecture
Database architecture design
Database proxy
MariaDB and InnoDB performance tuning
Nextcloud performance tuning
Q&A
FOSDEM2021: MariaDB post-release quality assurance in Debian and UbuntuOtto Kekäläinen
Presentation slides from FOSDEM 2021.
Talk covers the MariaDB packaging in two of the most widely-used Linux distros, Debian and Ubuntu, including the strict requirements demanded by distros, and the impact on fixing bugs “upstream” in MariaDB itself.
A brief introduction to MySQL (Group) Replication: what it is and some of the architecture.
Then, a highlight of the most important new replication features in MySQL 8 (as of 8.0.3 RC).
Tips to drive maria db cluster performance for nextcloudSeveralnines
Nextcloud requires a database to store administrative data for the platform. A poorly performing database can have a serious impact on performance and availability of Nextcloud. MariaDB Cluster is the recommended database backend for production installations that require high availability and performance.
This talk is a deep dive into how to design and optimize MariaDB Galera Cluster for Nextcloud. We will cover 5 tips on how to significantly improve performance and stability.
Agenda:
Overview of Nextcloud architecture
Database architecture design
Database proxy
MariaDB and InnoDB performance tuning
Nextcloud performance tuning
Q&A
MariaDB adoption in Linux distributions and development environmentsOtto Kekäläinen
Presentation given at the M|17 MariaDB User Conference 2017
https://m17.mariadb.com/
Linux, Apache, MySQL and PHP used to be the most widely used web application stacks. As technology evolves, this is no longer the case. For the M part, MariaDB has replaced MySQL in numerous Linux distributions and development environments, and is becoming the new M in most production environments as well. This talk presents how the landscape looks today, and why and how web developers are migrating to MariaDB around the globe.
Slides: Introducing the new ClusterControl 1.2.9 - with live demo Severalnines
Highlights of ClusterControl 1.2.9 include:
Support for PostgreSQL Servers
Advanced HAProxy Configurations and Built-in Stats
Hybrid Replication with Galera Clusters
Galera Replication Traffic Encryption
Encrypted Communication between ClusterControl and MySQL-based systems
Query Deadlock Detection in MySQL-based systems
Bootstrap Galera Cluster
Restore of Backups
New UI theme
RPC interface to ClusterControl
Chef Recipe and Puppet Manifest for ClusterControl
Zabbix Plugin for ClusterControl
MySQL High Availability Solutions - Avoid loss of service by reducing the r...Olivier DASINI
MySQL High Availability Solutions
Avoid loss of service by reducing the risk of failures
MySQL InnoDB Cluster
Collection of products that work together to provide a complete High Availability solution for MySQL
MySQL InnoDB ReplicaSet
Administer a set of MySQL instances running asynchronous replication
MySQL NDB Cluster
A high-availability, high-redundancy version of MySQL adapted for the distributed computing environment
MySQL InnoDB Cluster - New Features in 8.0 Releases - Best PracticesKenny Gryp
MySQL InnoDB Cluster provides a complete high availability solution for MySQL. MySQL Shell includes AdminAPI which enables you to easily configure and administer a group of at least three MySQL server instances to function as an InnoDB cluster.
This talk includes best practices.
MySQL InnoDB Cluster provides a complete, high-availability solution for MySQL. Learn how with a few easy-to-use Shell commands, how to set up a MySQL database architecture.
Meet MariaDB Server 10.1 London MySQL meetup December 2015Colin Charles
Meet MariaDB Server 10.1, the server that got released recently. Presented at the London MySQL Meetup in December 2015. Learn about the new features in MariaDB Server, especially around the focus of what we did to improve security.
Sharding and Scale-out using MySQL FabricMats Kindahl
MySQL Fabric is an open-source solution released by the MySQL Engineering team at Oracle. It make management of farms of MySQL servers easy and available for both applications with small and large number of servers.
This is the presentation from Percona Live Santa Clara.
9 DevOps Tips for Going in Production with Galera Cluster for MySQL - SlidesSeveralnines
Galera is a MySQL replication technology that can simplify the design of a high availability application stack. With a true multi-master MySQL setup, an application can now read and write from any database instance without worrying about master/slave roles, data integrity, slave lag or other drawbacks of asynchronous replication.
And that all sounds great until it’s time to go into production. Throw in a live migration from an existing database setup and devops life just got a bit more interesting ...
So if you are in devops, then this webinar is for you!
Operations is not so much about specific technologies, but about the techniques and tools you use to deploy and manage them. Monitoring, managing schema changes and pushing them in production, performance optimizations, configurations, version upgrades, backups; these are all aspects to consider – preferably before going live.
Let us guide you through 9 key tips to consider before taking Galera Cluster into production.
Webinar slides: ClusterControl 1.4: The MySQL Replication & MongoDB Edition -...Severalnines
ClusterControl reduces complexity of managing your database infrastructure while adding support for new technologies; enabling you to truly automate multiple environments for next-level applications. This latest release further builds out the functionality of ClusterControl to allow you to manage and secure your 24/7, mission critical infrastructures.
In this webinar, Johan demonstrated how ClusterControl increases your efficiency by giving you a single interface to deploy and operate your databases, instead of searching for and cobbling together a combination of open source tools, utilities and scripts that need constant updates and maintenance. Watch as ClusterControl demystifies the complexity associated with database high availability, load balancing, recovery and your other everyday struggles.
To put it simply: learn how to be a database hero with ClusterControl!
AGENDA
- ClusterControl (1.4) Overview
- ‘Always on Databases’ with enhanced MySQL Replication functions
- ‘Safer NoSQL’ with MongoDB and larger sharded cluster deployments
- ‘Enabling the DBA’ with ProxySQL, HAProxy and MaxScale
- Backing up your open source databases
- Live Demo
- Q&A
SPEAKER
Johan Andersson, CTO, Severalnines - Johan's technical background and interest are in high performance computing as demonstrated by the work he did on main-memory clustered databases at Ericsson as well as his research on parallel Java Virtual Machines at Trinity College Dublin in Ireland. Prior to co-founding Severalnines, Johan was Principal Consultant and lead of the MySQL Clustering & High Availability consulting group at MySQL / Sun Microsystems / Oracle, where he designed and implemented large-scale MySQL systems for key customers. Johan is a regular speaker at MySQL User Conferences as well as other high profile community gatherings with popular talks and tutorials around architecting and tuning MySQL Clusters.
This was a short 25 minute talk, but we go into a bit of a history of MySQL, how the branches and forks appeared, what's sticking around today (branch? Percona Server. Fork? MariaDB Server). What should you use? Think about what you need today and what the roadmap holds.
Slides used for the webinar: Introducing Galera 3.0 - Now supporting MySQL 5.6, Global Transaction IDs & WAN.
These slides covered the section: Galera Monitoring & Management
Setting up and maintaining a database cluster can be tricky. ClusterControl gives you the power to deploy, manage, monitor and scale entire clusters efficiently and reliably. ClusterControl supports a variety of SQL and NoSQL cluster topologies, as well as SQL load balancing via HAProxy.
Galera Cluster for MySQL is a true multi-master MySQL replication plugin, and has been proven in mission-critical infrastructures of companies like Ping Identity, AVG Technologies, KPN and HP Cloud DNS. In this webcast you¹ll learn about the following Galera Cluster capabilities, including the latest innovations in the new 3.0 release:
Galera Cluster features and benefits
Support for MySQL 5.6
Integration with MySQL Global Transaction Identifiers
Mixing Galera synchronous replication and asynchronous MySQL replication
Deploying in WAN and Cloud environments
Handling high-latency networks
Management of Galera
At the moment MySQL 8 and MariaDB 10.4 are the latest versions of the corresponding database management systems. Each of these DBMSs has a unique set of features, unavailable in its analogue (MariaDB features might be unavailable in MySQL, and vice versa). In this presentation, we’ll cover these new features and provide recommendations re: which application will work best on which DBMS.
Debian quality assurance systems – What can MariaDB developers learn from them?Otto Kekäläinen
Debian quality assurance systems – What can MariaDB developers learn from them?
Debian has one of the biggest CI systems ever, and all information is public. Once your software is there and you get all that QA for free, why not see what feedback the Debian QA systems give about it?
MariaDB adoption in Linux distributions and development environmentsOtto Kekäläinen
Presentation given at the M|17 MariaDB User Conference 2017
https://m17.mariadb.com/
Linux, Apache, MySQL and PHP used to be the most widely used web application stacks. As technology evolves, this is no longer the case. For the M part, MariaDB has replaced MySQL in numerous Linux distributions and development environments, and is becoming the new M in most production environments as well. This talk presents how the landscape looks today, and why and how web developers are migrating to MariaDB around the globe.
Slides: Introducing the new ClusterControl 1.2.9 - with live demo Severalnines
Highlights of ClusterControl 1.2.9 include:
Support for PostgreSQL Servers
Advanced HAProxy Configurations and Built-in Stats
Hybrid Replication with Galera Clusters
Galera Replication Traffic Encryption
Encrypted Communication between ClusterControl and MySQL-based systems
Query Deadlock Detection in MySQL-based systems
Bootstrap Galera Cluster
Restore of Backups
New UI theme
RPC interface to ClusterControl
Chef Recipe and Puppet Manifest for ClusterControl
Zabbix Plugin for ClusterControl
MySQL High Availability Solutions - Avoid loss of service by reducing the r...Olivier DASINI
MySQL High Availability Solutions
Avoid loss of service by reducing the risk of failures
MySQL InnoDB Cluster
Collection of products that work together to provide a complete High Availability solution for MySQL
MySQL InnoDB ReplicaSet
Administer a set of MySQL instances running asynchronous replication
MySQL NDB Cluster
A high-availability, high-redundancy version of MySQL adapted for the distributed computing environment
MySQL InnoDB Cluster - New Features in 8.0 Releases - Best PracticesKenny Gryp
MySQL InnoDB Cluster provides a complete high availability solution for MySQL. MySQL Shell includes AdminAPI which enables you to easily configure and administer a group of at least three MySQL server instances to function as an InnoDB cluster.
This talk includes best practices.
MySQL InnoDB Cluster provides a complete, high-availability solution for MySQL. Learn how with a few easy-to-use Shell commands, how to set up a MySQL database architecture.
Meet MariaDB Server 10.1 London MySQL meetup December 2015Colin Charles
Meet MariaDB Server 10.1, the server that got released recently. Presented at the London MySQL Meetup in December 2015. Learn about the new features in MariaDB Server, especially around the focus of what we did to improve security.
Sharding and Scale-out using MySQL FabricMats Kindahl
MySQL Fabric is an open-source solution released by the MySQL Engineering team at Oracle. It make management of farms of MySQL servers easy and available for both applications with small and large number of servers.
This is the presentation from Percona Live Santa Clara.
9 DevOps Tips for Going in Production with Galera Cluster for MySQL - SlidesSeveralnines
Galera is a MySQL replication technology that can simplify the design of a high availability application stack. With a true multi-master MySQL setup, an application can now read and write from any database instance without worrying about master/slave roles, data integrity, slave lag or other drawbacks of asynchronous replication.
And that all sounds great until it’s time to go into production. Throw in a live migration from an existing database setup and devops life just got a bit more interesting ...
So if you are in devops, then this webinar is for you!
Operations is not so much about specific technologies, but about the techniques and tools you use to deploy and manage them. Monitoring, managing schema changes and pushing them in production, performance optimizations, configurations, version upgrades, backups; these are all aspects to consider – preferably before going live.
Let us guide you through 9 key tips to consider before taking Galera Cluster into production.
Webinar slides: ClusterControl 1.4: The MySQL Replication & MongoDB Edition -...Severalnines
ClusterControl reduces complexity of managing your database infrastructure while adding support for new technologies; enabling you to truly automate multiple environments for next-level applications. This latest release further builds out the functionality of ClusterControl to allow you to manage and secure your 24/7, mission critical infrastructures.
In this webinar, Johan demonstrated how ClusterControl increases your efficiency by giving you a single interface to deploy and operate your databases, instead of searching for and cobbling together a combination of open source tools, utilities and scripts that need constant updates and maintenance. Watch as ClusterControl demystifies the complexity associated with database high availability, load balancing, recovery and your other everyday struggles.
To put it simply: learn how to be a database hero with ClusterControl!
AGENDA
- ClusterControl (1.4) Overview
- ‘Always on Databases’ with enhanced MySQL Replication functions
- ‘Safer NoSQL’ with MongoDB and larger sharded cluster deployments
- ‘Enabling the DBA’ with ProxySQL, HAProxy and MaxScale
- Backing up your open source databases
- Live Demo
- Q&A
SPEAKER
Johan Andersson, CTO, Severalnines - Johan's technical background and interest are in high performance computing as demonstrated by the work he did on main-memory clustered databases at Ericsson as well as his research on parallel Java Virtual Machines at Trinity College Dublin in Ireland. Prior to co-founding Severalnines, Johan was Principal Consultant and lead of the MySQL Clustering & High Availability consulting group at MySQL / Sun Microsystems / Oracle, where he designed and implemented large-scale MySQL systems for key customers. Johan is a regular speaker at MySQL User Conferences as well as other high profile community gatherings with popular talks and tutorials around architecting and tuning MySQL Clusters.
This was a short 25 minute talk, but we go into a bit of a history of MySQL, how the branches and forks appeared, what's sticking around today (branch? Percona Server. Fork? MariaDB Server). What should you use? Think about what you need today and what the roadmap holds.
Slides used for the webinar: Introducing Galera 3.0 - Now supporting MySQL 5.6, Global Transaction IDs & WAN.
These slides covered the section: Galera Monitoring & Management
Setting up and maintaining a database cluster can be tricky. ClusterControl gives you the power to deploy, manage, monitor and scale entire clusters efficiently and reliably. ClusterControl supports a variety of SQL and NoSQL cluster topologies, as well as SQL load balancing via HAProxy.
Galera Cluster for MySQL is a true multi-master MySQL replication plugin, and has been proven in mission-critical infrastructures of companies like Ping Identity, AVG Technologies, KPN and HP Cloud DNS. In this webcast you¹ll learn about the following Galera Cluster capabilities, including the latest innovations in the new 3.0 release:
Galera Cluster features and benefits
Support for MySQL 5.6
Integration with MySQL Global Transaction Identifiers
Mixing Galera synchronous replication and asynchronous MySQL replication
Deploying in WAN and Cloud environments
Handling high-latency networks
Management of Galera
At the moment MySQL 8 and MariaDB 10.4 are the latest versions of the corresponding database management systems. Each of these DBMSs has a unique set of features, unavailable in its analogue (MariaDB features might be unavailable in MySQL, and vice versa). In this presentation, we’ll cover these new features and provide recommendations re: which application will work best on which DBMS.
Debian quality assurance systems – What can MariaDB developers learn from them?Otto Kekäläinen
Debian quality assurance systems – What can MariaDB developers learn from them?
Debian has one of the biggest CI systems ever, and all information is public. Once your software is there and you get all that QA for free, why not see what feedback the Debian QA systems give about it?
DebConf 2020: What’s New in MariaDB Server 10.5 and Galera 4?Otto Kekäläinen
MariaDB has now reached the 10th major release since the original authors of MySQL started taking the code base in another direction than where MySQL is going under Oracle’s ownership. Today MariaDB has many more features than Oracle MySQL and it is the default MySQL variant in Debian.
This presentation covers what new features landed in MariaDB 10.5 and also touches on how the long existing features have evolved to today, and naturally what is their state and best practices for Debian users. MariaDB has also built-in support for Galera master-master replication and Galera 4 has recently landed in Debian, so it will also be covered.
At the moment MySQL 8 and MariaDB 10.4 are the latest versions of the corresponding database management systems. Each of these DBMSs has a unique set of features, unavailable in its analogue (MariaDB features might be unavailable in MySQL, and vice versa). In this presentation, we’ll cover these new features and provide recommendations re: which application will work best on which DBMS.
Attendees will be able to identify what focus areas that either MySQL or MariaDB targeted. This talk also gives a great overview of what are the benefits of using one over another.
Search in WordPress - how it works and howto customize itOtto Kekäläinen
WordPress search customization is a topic we at Seravo get asked about on a frequent basis. There are many different ways to customize the search, and customers understandably want to learn the best practices. The search can be customized quite easily with small changes on PHP code level, and by utilizing MariaDB database’s built-in search functionality. You can also choose a more robust way to do this, and build a new ElasticSearch server just for your case.
These slides are from the webinar on January 14th, 2021: https://seravo.com/blog/webinar-search-function-and-how-to-customize-it/
The 5 most common reasons for a slow WordPress site and how to fix them – ext...Otto Kekäläinen
Presentation given in WP Meetup in October 2019.
Includes fresh new tips from summer/fall 2019!
A Must read for all WordPress site owners and developers.
How to investigate and recover from a security breach in WordPressOtto Kekäläinen
Talk given at the first ever WordCamp Nordic on March 8th, 2019.
How to investigate and recover from a security breach – real-life experiences with WordPress
Sometimes the bad guys get in, despite all the protections and precautions. If that happens, there are many techniques that can be used to stop further damage, track down what the intruder did and how they got in. Finally the site needs to be cleaned up and re-opened for visitors. In this talk the most important techniques are presented along with real-life examples when they were used.
Automatic testing and quality assurance for WordPress plugins and themesOtto Kekäläinen
Talk given at WP Helsinki Meetup 7.11.2018
See also:
* https://developer.wordpress.org/themes
* https://developer.wordpress.org/plugins
* https://travis-ci.org/Seravo
* https://seravo.com/blog/coding-wordpress-in-style-with-phpcs/
10 things every developer should know about their database to run word press ...Otto Kekäläinen
Talk from WordCamp Barcelona 2018
https://2018.barcelona.wordcamp.org/session/10-things-every-developer-should-know-about-their-database-to-run-wordpress-optimally/
The database is perhaps the most important piece of your infrastructure. The database contains all your important e-commerce data and must be kept secured. The database performance often defines the overall performance of your WordPress site. In this talk I the most important things every WordPress developer should know about MariaDB/MySQL to be able to build and operate their site optimally.
Automatic testing and quality assurance for WordPress pluginsOtto Kekäläinen
Talk given at WordCamp Jyväskylä 2018
WordPress plugins have a reputation of low quality. Help us prove them wrong. Start using automatic quality testing!
WordPressin tietoturva: Mikä on olennaista – ja mikä ei?
Esitys WP Seinäjoki Meetupissa 28.11.2017
Tietoa kaikille jotka omistavat WordPress-sivuston tai kehittävät WordPress-sivustoja.
Improving WordPress Performance with Xdebug and PHP ProfilingOtto Kekäläinen
Presentation given at WordCamp Europe 2017 in Paris 2017-06-16.
Xdebug is a tool for developers to gain insight into how PHP is executed. Using it for profiling is a very effective, fast and precise method to find bottlenecks in your WordPress site. In this talk I explain how to use it with Webgrind, how to find potential optimization targets, show examples of real cases when Xdebug helped fix a performance problem and also explain what Xdebug is not suitable for and what can be used instead. If you are not a developer, you’ll learn what Xdebug is capable of and when to ask a developer to use it.
Presentation given at the WP Jyväksylä Meetup March 21st, 2017. This revised version contains references to the WordPress security news that circulated in February 2017.
WordPress security 101 - WP Turku Meetup 2.2.2017Otto Kekäläinen
WordPress-sivustojen tietoturva: myytit ja parhaat käytännöt.
Esitelmä WordPress Turku -meetupissa 2.2.2017.
https://www.meetup.com/Turku-WordPress-Meetup/events/235736922/
Explore our comprehensive data analysis project presentation on predicting product ad campaign performance. Learn how data-driven insights can optimize your marketing strategies and enhance campaign effectiveness. Perfect for professionals and students looking to understand the power of data analysis in advertising. for more details visit: https://bostoninstituteofanalytics.org/data-science-and-artificial-intelligence/
Levelwise PageRank with Loop-Based Dead End Handling Strategy : SHORT REPORT ...Subhajit Sahu
Abstract — Levelwise PageRank is an alternative method of PageRank computation which decomposes the input graph into a directed acyclic block-graph of strongly connected components, and processes them in topological order, one level at a time. This enables calculation for ranks in a distributed fashion without per-iteration communication, unlike the standard method where all vertices are processed in each iteration. It however comes with a precondition of the absence of dead ends in the input graph. Here, the native non-distributed performance of Levelwise PageRank was compared against Monolithic PageRank on a CPU as well as a GPU. To ensure a fair comparison, Monolithic PageRank was also performed on a graph where vertices were split by components. Results indicate that Levelwise PageRank is about as fast as Monolithic PageRank on the CPU, but quite a bit slower on the GPU. Slowdown on the GPU is likely caused by a large submission of small workloads, and expected to be non-issue when the computation is performed on massive graphs.
StarCompliance is a leading firm specializing in the recovery of stolen cryptocurrency. Our comprehensive services are designed to assist individuals and organizations in navigating the complex process of fraud reporting, investigation, and fund recovery. We combine cutting-edge technology with expert legal support to provide a robust solution for victims of crypto theft.
Our Services Include:
Reporting to Tracking Authorities:
We immediately notify all relevant centralized exchanges (CEX), decentralized exchanges (DEX), and wallet providers about the stolen cryptocurrency. This ensures that the stolen assets are flagged as scam transactions, making it impossible for the thief to use them.
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We guide you through the process of filing a valid police report. Our support team provides detailed instructions on which police department to contact and helps you complete the necessary paperwork within the critical 72-hour window.
Launching the Refund Process:
Our team of experienced lawyers can initiate lawsuits on your behalf and represent you in various jurisdictions around the world. They work diligently to recover your stolen funds and ensure that justice is served.
At StarCompliance, we understand the urgency and stress involved in dealing with cryptocurrency theft. Our dedicated team works quickly and efficiently to provide you with the support and expertise needed to recover your assets. Trust us to be your partner in navigating the complexities of the crypto world and safeguarding your investments.
Adjusting primitives for graph : SHORT REPORT / NOTESSubhajit Sahu
Graph algorithms, like PageRank Compressed Sparse Row (CSR) is an adjacency-list based graph representation that is
Multiply with different modes (map)
1. Performance of sequential execution based vs OpenMP based vector multiply.
2. Comparing various launch configs for CUDA based vector multiply.
Sum with different storage types (reduce)
1. Performance of vector element sum using float vs bfloat16 as the storage type.
Sum with different modes (reduce)
1. Performance of sequential execution based vs OpenMP based vector element sum.
2. Performance of memcpy vs in-place based CUDA based vector element sum.
3. Comparing various launch configs for CUDA based vector element sum (memcpy).
4. Comparing various launch configs for CUDA based vector element sum (in-place).
Sum with in-place strategies of CUDA mode (reduce)
1. Comparing various launch configs for CUDA based vector element sum (in-place).
Techniques to optimize the pagerank algorithm usually fall in two categories. One is to try reducing the work per iteration, and the other is to try reducing the number of iterations. These goals are often at odds with one another. Skipping computation on vertices which have already converged has the potential to save iteration time. Skipping in-identical vertices, with the same in-links, helps reduce duplicate computations and thus could help reduce iteration time. Road networks often have chains which can be short-circuited before pagerank computation to improve performance. Final ranks of chain nodes can be easily calculated. This could reduce both the iteration time, and the number of iterations. If a graph has no dangling nodes, pagerank of each strongly connected component can be computed in topological order. This could help reduce the iteration time, no. of iterations, and also enable multi-iteration concurrency in pagerank computation. The combination of all of the above methods is the STICD algorithm. [sticd] For dynamic graphs, unchanged components whose ranks are unaffected can be skipped altogether.
Opendatabay - Open Data Marketplace.pptxOpendatabay
Opendatabay.com unlocks the power of data for everyone. Open Data Marketplace fosters a collaborative hub for data enthusiasts to explore, share, and contribute to a vast collection of datasets.
First ever open hub for data enthusiasts to collaborate and innovate. A platform to explore, share, and contribute to a vast collection of datasets. Through robust quality control and innovative technologies like blockchain verification, opendatabay ensures the authenticity and reliability of datasets, empowering users to make data-driven decisions with confidence. Leverage cutting-edge AI technologies to enhance the data exploration, analysis, and discovery experience.
From intelligent search and recommendations to automated data productisation and quotation, Opendatabay AI-driven features streamline the data workflow. Finding the data you need shouldn't be a complex. Opendatabay simplifies the data acquisition process with an intuitive interface and robust search tools. Effortlessly explore, discover, and access the data you need, allowing you to focus on extracting valuable insights. Opendatabay breaks new ground with a dedicated, AI-generated, synthetic datasets.
Leverage these privacy-preserving datasets for training and testing AI models without compromising sensitive information. Opendatabay prioritizes transparency by providing detailed metadata, provenance information, and usage guidelines for each dataset, ensuring users have a comprehensive understanding of the data they're working with. By leveraging a powerful combination of distributed ledger technology and rigorous third-party audits Opendatabay ensures the authenticity and reliability of every dataset. Security is at the core of Opendatabay. Marketplace implements stringent security measures, including encryption, access controls, and regular vulnerability assessments, to safeguard your data and protect your privacy.
1. Debian, Ubuntu & MariaDB
MariaDB post-release
quality assurance in
Debian and Ubuntu
Follow
@ottokekalainen
for
insight
about
the
open
source
world!
MariaDB Server Minifest
9th
of December 2020
2. ~60 % of web
servers run
Debian or Ubuntu
apt install mariadb-server
w3techs.com/technologies/details/os-linux
3. Debian
Mother of all (or most)
Linux distros
commons.wikimedia.org/wiki/File:Linux_
Distribution_Timeline.svg
5. MariaDB and MySQL timeline
MariaDB 5.1
MariaDB 5.5
shipped in Debian 8 MariaDB 10.0
shipped in Debian 9 MariaDB 10.1
MariaDB 10.2
shipped in Debian 10 MariaDB 10.3
MariaDB 10.4
ships in Debian 11 MariaDB 10.5
MySQL 5.1 shipped in Debian 6
MySQL 5.5 shipped in Debian 7 and 8
MySQL 5.6
MySQL 5.7
MySQL 8.0
GA
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
6. State of MariaDB and MySQL in Debian
● MariaDB 10.3 in Buster (latest Debian stable release)
● MariaDB 10.5 in Bullseye (next Debian stable release)
● Galera 3 in Buster
● Galera 4 in Bullseye
○ also in Buster-backports and Stretch-backports
● No MySQL in stable Debian releases since Jessie
○ Exists in Debian unstable but will not migrate to testing and stable
○ Debian unstable had MySQL 5.7 for years, MySQL 8.0 since fall 2020
● mysql-defaults define the settings
○ Debian defaults to MariaDB as decided by the Debian release team
○ Ubuntu defaults to Oracle MySQL as decided by Canonical
7. MariaDB versions in Debian/Ubuntu
packages.debian.org/search?lang=en&suite=all&searchon=n
ames&keywords=mariadb-server
packages.ubuntu.com/search?lang=en&suite=all&searchon=
names&keywords=mariadb-server
9. Release flow in Debian
● There is a copy of MariaDB
sources at
salsa.debian.org/mariadb-team/
● Tool “uscan” is used to check
for new upstream releases = a
new tar.gz package to download
and import into Debian
● Packaging is done into the
debian/ directory
○ Upstream release: 10.5.8
○ Debian revision: 10.5.8-3
● Only Debian Developers can
upload to the Debian archive
11. Security releases cause challenges for quality assurance
ubuntu.com/security/notices/USN-4603-1www.debian.org/security/2020/dsa-4776
12. The Debian Policy
Linux distributions love
stability, standards and
quality!
The Debian Policy Manual
alone spans 150 pages
debian.org/doc/debian-policy/
20. Also in Ubuntu: autopkgtest.ubuntu.com
Piu Exactly the same
debci /
autopkgtests
tests and runner,
but in the Ubuntu
archive instead.
21. QA systems in Debian: piuparts.debian.org
Piu Tests installs,
upgrades,
removals etc
package
life-cycle.
22. QA systems in Debian: Lintian
Command-line tool and website that
runs thousands of checks that
analyze the package and suggest
fixes to the source, packaging or
the software itself (e.g.
spelling).
Many Lintian found issues are
useful to fix for all distros and
platforms, not just Debian.
27. Ubuntu users might file MariaDB bugs on Launchpad
bugs.launchpad.net/ubuntu/+source/mariadb-10.5
28. Eventually all
downstream fixes
flow also
upstream
debian/patches$ grep Forwarded *
928230-mysql_config---libmysqld-libs.patch:
Forwarded:
github.com/MariaDB/mariadb-connector-c/pull/109
hurd.patch:
Forwarded:
github.com/MariaDB/server/pull/918#discussion_r2
31432905
MDEV-18768-automate-auth_socket-to_unix_socket-u
pgrade.patch:
Forwarded: jira.mariadb.org/browse/MDEV-18768
mroonga-path-reproducible-build.patch:
Forwarded: github.com/mroonga/mroonga/issues/298
29. Plenty of work in both
developing new and maintaining old
Contributors welcome!
30. Please join!
You don’t have to be a
coder/developer to help,
there are plenty of other
valued skills as well!
● Participate in
bugs.debian.org
discussions!
● Send merge requests on
Salsa:
wiki.debian.org/Teams/MySQL/patches
● Contribute upstream:
mariadb.org/get-involved
● Join pkg-mysql-maint
mailing list
alioth-lists.debian.net/cgi-bin/mailman/listinfo/p
kg-mysql-maint