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Mysql Für Einsteiger MySQL für Einsteiger Philipp Michaly @michaly_philipp doag2018 Wir helfen Mehrwerte aus Daten zu generieren 2 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Mit über 650 IT- und Fachexperten bei Ihnen vor Ort. 16 Trivadis Niederlassungen mit über 650 Mitarbeitenden. Erfahrung aus mehr als 1'900 Projekten pro Jahr bei über 800 Kunden. Über 250 Service Level Agreements. Mehr als 4'000 Trainingsteilnehmer. Forschungs- und Entwicklungsbudget: CHF 5.0 Mio. / EUR 4.0 Mio. Finanziell unabhängig und nachhaltig profitabel. 3 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger mysql@DOAG18:~/ echo $speaker Philipp Michaly Senior Consultant, Trivadis GmbH, München . Seit 2004 im IT Ops & Engineering . Seit 2010 bei Trivadis . Seit 2016 Fokus auf MySQL IT Erfahrung Skills . Oracle DB Administration . Backup & Recovery . MySQL Administration . Performance Analysen . OS Administration (Linux, Unix) . MySQL Architektur . Infrastruktur . Referent für MySQL Kurs 2 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Agenda 1. Considerations about ODBMS 2. Introducing MySQL 3. Oracle DBA tricks for MySQL 5 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS 6 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Gartner Study “Open-source relational DBMSs have matured significantly and can be used to replace commercial RDBMSs at a considerable TCO saving. Information leaders, DBAs and application development management can now consider them as a standard choice for deploying applications.” The State of Open-Source RDBMSs, 2015 - Gartner 7 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Gartner Study Gartner Strategic assumptions for 2018: • More than 70% of new in-house applications will be developed on an OSDBMS • 50% of existing commercial RDBMS instances will have been converted or will be in process 8 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Gartner Study Significant maturity Progress for OSDBMS in the past years: 2009 2015 9 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Why MySQL? Source: https://db-engines.com/de/ranking 10 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Why MySQL? 11 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Why MySQL? Source: https://db-engines.com/de/ranking_trend 12 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Considerations about ODBMS – Why MySQL? 13 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL 14 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – History of MySQL 1994 1997 • MySQL project started by Michael • Official MySQL 3.1 release Widenius (Monty), David Axmark and • Releases as binary distribution for Allan Larsson Linux and Solaris • For the first 6 years commercially • Based on „matured“ internal kernel represented by TCX, predecessor of from 23th Mai 1995 MySQL AB • Focus on performance and large tables • Stability was not the primary target 15 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – History of MySQL 2000 2003 2004 • MySQL goes Open Source • MySQL 4.0 released • MySQL 4.1 released and releases software under a dual license in the terms of the GPL • Foundation and transition to MySQL AB • Revenues dropped 80% as a result, and it took a year to make up for it. • Release of MySQL 3.23 • Introducing InnoDB and Replication 16 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – History of MySQL 2005 2006 • MySQL 5.0 released • Oracle tries to buy MySQL and fails • Introducing: • Buys Sleepycat instead • Views, Triggers, Stored Procedures, • MySQL is estimated to have a 33% User defined Functions market share measured in install base • Now supporting all SQL3-Standard and 0.2% market share measured in Objects revenue (the database market was a • Oracle buys Innobase, the 4-person $15 billion market in 2006). Finnish company behind MySQL's InnoDB storage backend. 17 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – History of MySQL 2008 2009 2010 • MySQL 5.1 released, • Oracle acquires Sun • MySQL 5.5 released Features Partitioning Microsystems for • InnoDB now default • Sun Microsystems approximately 7.4 storage engine acquires MySQL AB for Billion • Performance Schema approximately $1 introduced billion. • Michael Widenius (Monty) and David Axmark, two of MySQL AB's co-founders, leave Sun shortly after the acquisition. 18 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – The Present 2012 2015 • MySQL 5.6 released • MySQL 5.7 released • Replication improvements • Security enhancements „secure (Multithreaded slaves, Crash- by default“ Safe slaves) • Significant optimizer improvements 19 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – The Present 2016 (September): MySQL 8.0.0 Milestone Release available • GA Release released in 2018-04-19 Release 8.0 features • Roles • Transactional Data Dictionary • Invisible indexes • Persistent global variables • Optimizer improvements (Histograms, advanced cost model, improved range scan performance…) • New plugin infrastructure (Plugins as a service) • IO performance improvements • Much more 20 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL - MySQL Editions MySQL Community Edition Free and opensource edition (GPL) No commercial support Linux Distribution Editions The most distributions ship modified non-standard version Modifications are not very transparent The only reliable source for original and unmodified MySQL binaries is Oracle MySQL Commercial Editions Standard Edition: Opensource version + Oracle Premier Support Enterprise Edition: Additional enterprise features + Oracle Premier Support 21 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL– Enterprise Edition MySQL Enterprise Edition Features Oracle Premier Monitoring Backup Encryption Audit Support MySQL Enterprise MySQL Enterprise MySQL Enterprise MySQL Enterprise 24x7 support TDE (Transparent Monitor Backup Audit Data Encryption) Access to My Cloud Control Oracle Support Plugin 22 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – Forks and Branches Maria DB • Popularity leadership in opensource community • Big Players migrating from MySQL to MariaDB • Oracle SQL Mode! Percona Sever • Focus on Performance improvements + performance stability • Own administration toolkit • XtraDB storage Engine 23 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – Forks and Branches Amazon Aurora – MySQL Edition • Forked from MySQL 5.6 • Closed source due to hole in GPL • Completely new IO redesign • Promising performance 24 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL – MySQL Architecture MySQL Layer 1 MySQL Layer 2 Application NoSQL SQL- MySQL- Connection/Thread Manager Connector Statement Connector Plugin 1 SQL Processing Query Parser Plugin 2 Cache Query Cache Buffer Plugin 3 Security Execution Optimizer . Manager Engine . Storage-Engine API . More Transaction Management plugins Recovery Management Referential Integrity MySQL Layer 3 Segment Management Redo,Undo, Datafiles Binary Logs Memory Memory Management Buffer cache Manager rd Party Vendors Party rd InnoDB 3 MyISAM .. Memory 26 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL- HA Architectures Active/Passive • Oracle: Clusterware (Failover) Cluster: • MySQL: MySQL Replication, Clusterware Master/Slave • Oracle: Dataguard • MySQL: Synchronous, Semi-Synchronous Replication (DG Replication: Fast-Sync), Synchronous Replication (MySQL Cluster only) Active/Active • Oracle: Real Application Cluster • MySQL: MySQL Cluster: Multi Master Replication and Cluster: Active/Active Cluster 31 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures - Single Instance Architecture Connectors Native C API, JDBC, ODBC... R/W VM 1 VM 2 Prod_DB 1 Test_DB1 Dev_DB1 32 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures - Performance + Data Availability Connectors Native C API, JDBC, ODBC... R/W RO VM 1 Asynch. Replication VM 2 Master_Prod_DB 1 Slave_Prod_DB1 Test_DB1 Dev_DB1 33 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures – Asynchronous Replication Source: https://dev.mysql.com/doc/refman/8.0/en/group-replication-primary-secondary-replication.html 34 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures - Maximum Safety Connectors Native C API, JDBC, ODBC... R/W RO VM 1 Semi Synch. VM 2 Master_Prod_DB 1 Replication Slave_Prod_DB1 Test_DB1 Dev_DB1 35 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures – Semisynchronous Replication Source: https://dev.mysql.com/doc/refman/8.0/en/group-replication-primary-secondary-replication.html 36 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures - InnoDB Cluster Replicate data within the Cluster Automatic failover Transparent auto failover Read scalability Load balancing Source: https://dev.mysql.com/doc/refman/8.0/en/mys ql-innodb-cluster-introduction.html 37 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger HA Architectures – Group Replication Source: https://dev.mysql.com/doc/refman/8.0/en/group-replication-summary.html 38 11/16/2018 Trivadis DOAG18: MySQL für Einsteiger Introducing MySQL - Licensing Server Setup: X86, 2 Sockets, each CPU 6 cores Number of Yearly per License per Yearly Total Three Year License Metric License Fee sockets/cores Metric Server Support Cost Oracle Database 2 per socket $17,500
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