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MySQL Enterprise Edition
MySQL Enterprise Edition
MySQL Enterprise Edition
Mark Swarbrick
2019년 5월 18일 11회 Oracle Developer Meetup에서 발표한 Oracle NoSQL 발표 문서입니다.
11회 Oracle Developer Meetup 발표 자료: Oracle NoSQL (2019.05.18) oracle-nosql pu...
11회 Oracle Developer Meetup 발표 자료: Oracle NoSQL (2019.05.18) oracle-nosql pu...
Taewan Kim
MySQL Group Replication
MySQL Group Replication
MySQL Group Replication
Mark Swarbrick
MySQL Enterprise Monitor 3
MySQL Enterprise Monitor 3
MySQL Enterprise Monitor 3
Mark Swarbrick
The ever-changing IT industry requires DBA's to keep their skills up-to-date. This presentation discusses skills that any DBA should have, but also those that any DBA should obtain and nurture regardless of which new technology is entering the hype cycle. This presentation was first presented during Sangam18.
(Oracle) DBA Skills to Have, to Obtain and to Nurture
(Oracle) DBA Skills to Have, to Obtain and to Nurture
Markus Michalewicz
TDC2018SP | Trilha NoSQL - Tecnicas avancadas utilizadas por redes sociais que vao turbinar o seu projeto hoje
TDC2018SP | Trilha NoSQL - Tecnicas avancadas utilizadas por redes sociais qu...
TDC2018SP | Trilha NoSQL - Tecnicas avancadas utilizadas por redes sociais qu...
tdc-globalcode
Oow MySQL Whats new in security overview sept 2017 v1
Oow MySQL Whats new in security overview sept 2017 v1
Oow MySQL Whats new in security overview sept 2017 v1
Mark Swarbrick
Is your Org struggling to increase the pace of deploying changes? Do you feel like you are rolling the dice when deploying changes? Are you content with the current State of Affairs or do you aspire to raise your game by several levels? Finally, are you willing to make the required sacrifices to achieve high performance DevOps? Warning: This session is NOT about the latest/coolest set of technologies that promise to solve your problem. This session is NOT about a product you can buy. This session is about recognizing and understanding the First Order Principles that underlie successful DevOps. Based on this we are going to develop a set of goals, how to measure them and specific steps on how to achieve them. Furthermore, we will discuss the pitfalls that derail so many Organizations in this endeavor, how to circumvent them and even turn them into opportunities. However, be advised, this session is not for those that look for an easy & quick solution. The session is intended to be interactive, and challenge the way you think. If you are willing to have an open mind and put up the extra effort, by the end of this session, we are going to have built a roadmap with goals and specific steps that lead to High Performance DevOps.
Achieving High Performance DevOps: A Roadmap for Managers and Decision Makers
Achieving High Performance DevOps: A Roadmap for Managers and Decision Makers
Vlado Barun
MySQL as a Document Store
MySQL as a Document Store
MySQL as a Document Store
Mark Swarbrick
Presented at SuiteWorld 2017 in Las Vegas, Nevada. With the release of NetSuite 17.1 comes several exciting new features that can give your website massive performance gains. In this session, we’ll look at these new features and show you how to leverage them to dramatically improve the speed of your website. We'll also look at some of the most common performance problems that we encounter when optimizing SuiteCommerce Advanced websites, and show you how to diagnose and remedy these problems for yourself.
Cranking It Up - SuiteWorld 2017
Cranking It Up - SuiteWorld 2017
Diego Cardozo
The ever-changing IT industry requires DBA's to keep their skills up-to-date. This presentation discusses skills that any DBA should have, but also those that any DBA should obtain and nurture regardless of which new technology is entering the (Gartner) hype cycle. The first ever version of this deck was presented during Sangam18 under the title "(Oracle) DBA Skills to Have, to Obtain and to Nurture " and used in other occasions during 2019. This is the more generic 2019 edition of the presentation which includes an outlook for 2020!
(Oracle) DBA and Other Skills Needed in 2020
(Oracle) DBA and Other Skills Needed in 2020
Markus Michalewicz
Oracle Real Application Clusters (RAC) Roadmap for New Features describes and discusses best practices for new features introduced with Oracle RAC 12c as well as Oracle RAC 18c and provides a short outlook of the road ahead.
Oracle RAC - Roadmap for New Features
Oracle RAC - Roadmap for New Features
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MySQL Shell - The DevOps Tool for MySQL
MySQL Shell - The DevOps Tool for MySQL
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Achieving High Performance DevOps: A Roadmap for Managers and Decision Makers
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Slides from a workshop exploring "How is AI changing journalism?" This presentation outlines how newsrooms have been using artificial intelligence (AI) for some time, and how the emergence of Generative AI is accelerating this usage. The presentation outlines use cases, key steps for implementation and some emerging areas and issues to keep an eye on. The presentation was part of the New York Press Association's 2024 spring conference. https://nynewspapers.com/2024-nypa-spring-conference/
How is AI changing journalism? (v. April 2024)
How is AI changing journalism? (v. April 2024)
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DDoS In Oceania and the Pacific, presented by Dave Phelan at NZNOG 2024
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Troubleshooting tldr
1.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | MySQL Troubleshooting TL;DR Ligaya Turmelle Principal Technical Support Engineer - MySQL ligaya.turmelle@oracle.com @lig rootconf - May 2017
2.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | MySQL Troubleshooting TL;DR Ligaya Turmelle Principal Technical Support Engineer - MySQL ligaya.turmelle@oracle.com @lig rootconf - May 2017
3.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle. 3
4.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Step 1 • Define the problem • Must know what is “normal”, to know what is not “normal” - and how much •
Be exact! • Read and understand the manual for the problematic area 4
5.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Step 2 • Collect the diagnostic data – OS data –
MySQL data • May need to collect the diagnostic data during the problem – Monitoring – Maybe pt_stalk 5
6.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Error Log • First place to look • Can give history and context to any problem •
Error message(s) 6
7.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | General Server Crash • Error log – Stack trace and error message(s) •
OS error log around the crash time – OOM • Any and all diagnostic data available – MySQL and OS monitoring data (graphs and raw data) – Core file? • Any information about what was happening before and during the crash – External scripts running / Applications / Cronjobs / Backups / Etc. 7
8.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | General Performance Issues • Error log • COS data (Ex: IO, CPU, Memory, NUMA, etc.) •
SHOW GLOBAL VARIABLES • SHOW GLOBAL STATUS • SHOW FULL PROCESSLIST • SHOW ENGINE INNODB STATUS • Information from PERFORMANCE_SCHEMA 8
9.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Query Performance Issues • Error log • Slow query log •
EXPLAIN • SHOW CREATE TABLE • SHOW TABLE STATUS • SHOW INDEXES • Profile the query 9
10.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Table Corruption • InnoDB – System may or may not be able to start back up –
Error log • Error message • Stack trace – Known issue? • Bug • Data dictionary issues – Rebuild • Go to a backup • Force recovery 10
11.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Table Corruption • MyISAM – Error log –
Marked as crashed? – myisamchk or mysqlcheck • Server up or down? • Backup corrupted files before - some data loss can happen – Backups are always an option (con’t) 11
12.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Replication Issues • Error log • SHOW MASTER STATUS •
my.cnf / my.ini • SHOW GLOBAL VARIABLES • SHOW SLAVE STATUS 12
13.
Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | MySQL Troubleshooting TL;DR Ligaya Turmelle Principal Technical Support Engineer - MySQL ligaya.turmelle@oracle.com @lig rootconf - May 2017
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