This document discusses enhancements to MySQL database replication in versions 8 and 5.7. It covers new features for binary log metadata, multi-source replication with filtering, automatic protection of offline replicas, primary election weights, shutting down replicas that leave groups involuntarily, triggering primary elections and changing group modes online, and relaxed member eviction timeouts. It also discusses performance improvements to the replication applier thread through dependency tracking.
Under the Hood of the Smartest Availability Features in Oracle's Autonomous D...Markus Michalewicz
This presentation discusses details of the smartest High Availability (HA) features in Oracle's Autonomous Databases. It also explains how those features are integrated in the various stages of the journey to the Autonomous Database. This presentation was first presented during Collaborate18 / #C18LV together with Maria Colgan (@SQLmaria).
This document summarizes a presentation on a Java library for high-speed streaming of data into databases. It discusses challenges with streaming data at scale and introduces Oracle's high speed streaming library, which uses direct path inserts and unified connection pooling to enable fast, scalable streaming. Code samples are provided for using the push and flow publisher APIs to ingest data streams into databases.
Perth APAC Groundbreakers tour - 18c featuresConnor McDonald
A tour of the features that are now available in versions 12.2 and 18c of the Oracle Database, with a focus on the new release model and its implications for DBAs
15 Troubleshooting Tips and Tricks for database 21c - OGBEMEA KSAOUGSandesh Rao
This session will focus on 15 troubleshooting tips and tricks for DBA’s covering tools from the Oracle Autonomous Health Framework (AHF) like Trace file Analyzer (TFA) to collect , organize and analyze log data , Exachk and orachk to perform mass best practices analysis and automation , Cluster Health Advisor to debug node evictions and calibrate the framework , OSWatcher and its analysis engine , oratop for pinpointing performance issues and many others to make one feel like a rockstar DBA
LAD -GroundBreakers-Jul 2019 - The Machine Learning behind the Autonomous Dat...Sandesh Rao
We are entering a new era in the database with the introduction of the Oracle Autonomous Database. AI and Machine Learning are center stage to most projects and assist in making complex decisions which was not possible before. Most data science projects don’t get beyond the data scientist and rarely operationalize their predictive models. there are new toolsets and methods available everyday which make this an extremely dynamic space. There are different categories of users who want to use the algorithms , the toolsets but don't know where to start. Whether you are a data scientist who wants to play with data and build your own models or make use of the database features with the built in models or use the specific AI services within a specific vertical such as Insurance or Healthcare . We will take a glimpse at Oracle's Machine Learning Zeppelin-based notebooks for Oracle Autonomous Data Warehouse Cloud to how Oracle uses AIOps and Applied Machine learning for its own operations and the Oracle AI Platform Cloud Service to provided an all rounded view of what Oracle is upto in this space
Oracle OpenWorld 2017 presentation on Oracle RAC 12c Rel. 2 & Cluster Architecture Internals. Presented by Anil Nair together with Dave Hickson, Database Architect, British Telecom (BT).
This presentation focuses on new Cluster Architectures introduced with Oracle RAC 12c Rel. 2 and how internal enhancements in Oracle RAC can help to facilitate them.
This document covers performance and security topics for Oracle Database Administration. It discusses performance tuning at the system, database and application levels. Key aspects of SQL processing architecture like the parser, optimizer, row source generator and execution are explained. The document also covers security frameworks, patching, user accounts, passwords, encryption, auditing and hacking/forensics. Reading materials on performance tuning and security are recommended.
Presented the "A Cloud Journey - Move to the Oracle Cloud" on behalf of Ricardo Gonzalez during Bulgarian Oracle User Group Spring Conference 2019. This presentation discusses various methods on how to migrate to the Oracle Cloud and provides recommendations as to which tool to use (and where to find it) especially assuming that Zero Downtime Migration is desired, for which the new Zero Downtime Migration tool is described and discussed in detail. More information: http://www.oracle.com/goto/move
Oracle Database 19c, builds upon key architectural, distributed data and performance innovations established in earlier versions Oracle Database 12c and 18c releases. Oracle 19c has many new features, in this presentation we have covered below areas
Automated Installation, Configuration and Patching
AutoUpgrade and Database Utilities
With the Oracle Multitenant option of Oracle Database 12c, the services of individual pluggable databases (PDBs) can be opened selectively on specified nodes of an Oracle Real Application Clusters (Oracle RAC) cluster. A true symbiotic relationship: the Oracle Multitenant option makes Oracle RAC better, and Oracle RAC makes the Oracle Multitenant option better! UPDATE for IOUG 2014.
This document discusses how Oracle Real Application Clusters (RAC) works on Oracle's Engineered Systems. It notes that Engineered Systems provide well-known configurations that allow for specialization and optimization. They provide hardware-assisted resilience and enable optimized software utilization through Oracle-owned operating systems and customized hardware. The document provides several examples of how Engineered Systems improve performance and availability for Oracle databases.
The Oracle database has met the highest high availability expectations for decades. The goal of this presentation is to show which technologies Oracle is already using today so that this high standard is not disappointed in the years to come.
Oracle RAC 19c: Best Practices and Secret InternalsAnil Nair
Oracle Real Application Clusters 19c provides best practices and new features for upgrading to Oracle 19c. It discusses upgrading Oracle RAC to Linux 7 with minimal downtime using node draining and relocation techniques. Oracle 19c allows for upgrading the Grid Infrastructure management repository and patching faster using a new Oracle home. The presentation also covers new resource modeling for PDBs in Oracle 19c and improved Clusterware diagnostics.
TFA, ORAchk and EXAchk 20.2 - What's new Sandesh Rao
This document summarizes new features in Oracle's TFA, ORAchk and EXAchk products in version 20.2. Key updates include adding flood control to limit unnecessary repeat collections, allowing users to limit TFA CPU usage, making it easier to upload diagnostic collections, upgrading the Python stack for improved security, and allowing non-root users to run compliance checks that previously required root access.
Oracle Maximum Availability Architecture (MAA) Best Practices for the Cloud discusses MAA best practices for the Oracle Cloud mainly, explaining how MAA helps to improve availability in cloud environments as well as the Autonomous Database and explains, how to ensure application continuity using the Oracle Database in the cloud.
HA, Scalability, DR & MAA in Oracle Database 21c - OverviewMarkus Michalewicz
Oracle Database 21c is Oracle's first Innovation Release and includes a lot of new and innovative HA, Scalability, DR & MAA features to provide the most scalable and reliable Oracle Database available today. This presentation discusses some of the database as well as infrastructure features contributing to this unprecedented level of resiliency.
The Machine Learning behind the Autonomous Database ILOUG Feb 2020 Sandesh Rao
The document outlines how the Autonomous Database uses machine learning for AIOps to perform autonomous self-repair. It discusses the architecture for the AIOps platform, which includes resource lifecycle management, database lifecycle management, and database autonomous self-repair. It then describes how algorithms like anomaly detection and capacity prediction work, including using techniques like log cleansing, feature extraction, and Holt-Winters exponential smoothing with grid search to optimize hyperparameters. The goal is to autonomously detect issues, diagnose root causes, and perform predictive analytics and automated repairs.
Using The Mysql Binary Log As A Change StreamLuís Soares
The binary log records all data modifications made to tables logged by MySQL. It provides a sequential record of statements and changes that can be used for point-in-time recovery or to replicate data. The binary log files are persisted on disk and contain control events, transaction events, and row events representing changes. Applications can inspect the contents of the binary log through SQL statements or the mysqlbinlog tool to understand the recorded changes.
MySQL 8 High Availability with InnoDB ClustersMiguel Araújo
MySQL’s InnoDB cluster provides a high-level, easy-to-use solution for MySQL high availability. Combining MySQL Group Replication with MySQL Router and the MySQL Shell into an integrated solution, InnoDB clusters offer easy setup and management of MySQL instances into a fault-tolerant database service. In this session learn how to set up a basic InnoDB cluster, integrate it with applications, and recognize and react to common failure scenarios that would otherwise lead to a database outage.
- Workshop presentation
MySQL Developer Day conference: MySQL Replication and ScalabilityShivji Kumar Jha
The slide deck contains the latest developments in MySQL Replication. It covers:
- An introduction to MySQL Replication
- Scaling with Multi-threaded slaves
- Data aggregation with Multi-source replication
- Lossless failover with semi-synchronous replication
- Replication Monitoring made easier
This document provides an overview and introduction to Oracle's Autonomous Database 18c. It begins with a brief history of database automation at Oracle, from early features like automatic undo management and storage management, to more advanced current capabilities like automatic SQL tuning and statistics gathering. It then discusses key aspects of the 18c Autonomous Database, including how it is fully managed as a service, incorporates artificial intelligence and machine learning capabilities, and aims to make databases easy to use with capabilities like one-click provisioning and elastic scaling. The document walks through the basic steps to create an Autonomous Database and load data, emphasizing security and ease of use. It also outlines available database services and how to configure client connectivity and create users.
MySQL High Availability with Group ReplicationNuno Carvalho
MySQL Group Replication is a multi-master update everywhere replication plugin that provides high availability. It removes the need for handling server failover, provides fault tolerance, and automates group reconfiguration. Transactions are replicated to all group members, with conflicts detected and resolved using a first committer wins rule. Failed members automatically rejoin the group and synchronize with the others transparently. Group Replication uses the standard MySQL and InnoDB architecture, so existing users will feel familiar. It also supports features like auto-increment handling, GTIDs, secure connections, and a new single primary mode.
This document summarizes a presentation on tuning Oracle GoldenGate for optimal performance in real-world environments. It discusses architectural changes in GoldenGate 12c including a microservices architecture and parallel replication. It also outlines several areas and tools for tuning performance at the host, database, and GoldenGate configuration levels including the use of AWR, STATS commands, and health check scripts.
The document discusses four main ways to add new functionality to MySQL: user defined functions (UDFs), plugins, components, and pull requests. UDFs allow adding SQL callable functions and are the basic/easy way. Plugins were the old way but are more complex with loading/unloading issues. Components are the new preferred way as they are extensible and allow communication between parts. Pull requests involve contributing code changes to MySQL source code and are for advanced users.
The document discusses setting up MySQL InnoDB Cluster using MySQL Shell. It describes deploying MySQL server instances, creating an InnoDB Cluster, adding more instances to the cluster, and bootstrapping MySQL Router. This provides an integrated high availability and scaling solution using Group Replication for data replication within the cluster.
MySQL Innovation Day Chicago - MySQL HA So Easy : That's insane !!Frederic Descamps
The document is a safe harbor statement outlining Oracle's general product direction for informational purposes only. It states that Oracle has sole discretion over developing and releasing features and that nothing in the document should be relied upon for purchasing decisions. It also contains copyright information.
The document provides an overview of MySQL Group Replication, which is a multi-master update anywhere replication plugin for MySQL that provides built-in automatic distributed recovery, conflict detection, and group membership. It allows for active/active update anywhere setups, automates group reconfiguration, and provides a highly available distributed database service. The document discusses the theory behind MySQL Group Replication, provides examples of how to use it, and concludes by discussing its benefits and future releases.
Everything You Need to Know About MySQL Group ReplicationNuno Carvalho
MySQL Group Replication is a new plugin that implements an exciting extension to the proven and long standing MySQL Replication technology. It leverages advanced distributed protocols to ultimately provide to the end user features such as data replication, high availability, split brain protection and automation.
It can be deployed in single-primary mode (default), in which primary fail-over is handled gracefully and automatically, or in multi-master mode, in which row level conflicts are detected and handled automatically as well. Regardless of the deployment mode, the end result is that this new addition provides a consistent and dependable replicated state machine, thus effectively enabling a fault-tolerant MySQL database service.
At the end of the presentation, you will be able to understand how it works, the use cases it address, its limitations and also its roadmap ahead. Moreover, you will get to know how it fits in the overall high availability roadmap at MySQL.
MySQL InnoDB Cluster provides an integrated high availability and auto-sharding solution for MySQL databases. It consists of Group Replication, MySQL Router, and MySQL Shell. Group Replication coordinates a group of MySQL servers and provides automatic failover. MySQL Router provides transparent client connection routing and failover. MySQL Shell is used to setup, manage, and orchestrate the cluster. The document provides examples of how to deploy a simple three node MySQL InnoDB Cluster using MySQL Shell and demonstrates its high availability capabilities including automatic failover and recovery of nodes.
“Quantum” Performance Effects: beyond the CoreC4Media
Video and slides synchronized, mp3 and slide download available at URL https://bit.ly/2Sbd5Ws.
Sergey Kuksenko talks about how (and how much) CPU microarchitecture details may have an influence on applications performance. Could it be visible by end-users? How to avoid misjudgment when estimating code performance? CPU is huge (not in size) that is why the talk is limited to those parts which located out of computational core (mostly caches and memory access). Filmed at qconsf.com.
Sergey Kuksenko works as Java Performance Engineer at Oracle. His primary goal is making Oracle JVM faster digging into JVM runtime, JIT compilers, class libraries and etc. His favorite area is an interaction of Java with modern hardware what he is doing since 2005 when he worked at Intel in Apache Harmony Performance team.
This document discusses backup and restore in MySQL Cluster. It provides an overview of logging and checkpointing for durability. It also describes how recovery works during a node restart by restoring the latest local checkpoint and replaying the log. Finally, it discusses using the ndb_mgm and ndb_restore tools to backup and restore cluster data and metadata.
DataOps Barcelona - MySQL HA so easy... that's insane !Frederic Descamps
1. MySQL 8.0 InnoDB Cluster is a new high availability and scaling solution for MySQL that makes setup easy.
2. It uses Group Replication under the hood to allow writing to all nodes simultaneously while maintaining consistency.
3. Key components include MySQL Router for routing and load balancing, and MySQL Shell for administration.
MySQL InnoDB Cluster: Management and Troubleshooting with MySQL ShellMiguel Araújo
MySQL InnoDB Cluster and MySQL Shell session presented at Oracle CodeOne2019.
Abstract:
MySQL InnoDB Cluster provides a built-in high-availability solution for MySQL. Combining MySQL Group Replication with MySQL Router and MySQL Shell into an integrated full-stack solution, InnoDB Cluster provides easy setup and management of MySQL instances into a fault-tolerant database service. MySQL Shell is the “control panel” of InnoDB Cluster, enabling the easy and straightforward configuration and management of InnoDB clusters by providing a scriptable and interactive API: the AdminAPI. Recent enhancements and features added to MySQL Shell make the management of InnoDB clusters even more powerful and smoother. Attend this session to get an overview of the latest developments and improved InnoDB Cluster administration tasks.
Notes:
The slideshow includes a video that cannot be seen in slideshare/PDF. If you're interested in it please check the following blog post: https://mysqlhighavailability.com/mysql-innodb-cluster-automatic-node-provisioning/
Disaster Recovery with MySQL InnoDB ClusterSet - What is it and how do I use it?Miguel Araújo
MySQL InnoDB ClusterSet brings multi-datacenter capabilities to our solutions and make it very easy to setup a disaster recovery architecture. Think multiple MySQL InnoDB Clusters into one single database architecture, fully managed from MySQL Shell and with full MySQL Router integration to make it easy to access the entire architecture.
This presentation covers:
- The various features of InnoDB Clusterset
- How to setup MySQL InnoDB ClusterSet
- Ways to migrate from an existing MySQL InnoDB Cluster into MySQL InnoDB ClusterSet
- How to deal with various failures
- The various features of router integration which makes connection to the database architecture easy.
How to debug ColdFusion Applications using “ColdFusion Builder extension for ...Ortus Solutions, Corp
Unlock the secrets of seamless ColdFusion error troubleshooting! Join us to explore the potent capabilities of Visual Studio Code (VS Code) and ColdFusion Builder (CF Builder) in debugging. This hands-on session guides you through practical techniques tailored for local setups, ensuring a smooth and efficient development experience.
WhatsApp Tracker - Tracking WhatsApp to Boost Online Safety.pdfonemonitarsoftware
WhatsApp Tracker Software is an effective tool for remotely tracking the target’s WhatsApp activities. It allows users to monitor their loved one’s online behavior to ensure appropriate interactions for responsive device use.
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Discover BoxLang, the innovative JVM programming language developed by Ortus Solutions. Designed to harness the power of the Java Virtual Machine, BoxLang offers a modern approach to application development with robust performance and scalability. Join us as we explore the capabilities of BoxLang, its syntax, and how it enhances productivity in software development.
Drona Infotech is one of the best Mobile App Development Company in Noida. Elevate your business with our professional app development services. Let us help you create user-friendly and high-performing mobile applications.
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Are you wondering how to migrate to the Cloud? At the ITB session, we addressed the challenge of managing multiple ColdFusion licenses and AWS EC2 instances. Discover how you can consolidate with just one EC2 instance capable of running over 50 apps using CommandBox ColdFusion. This solution supports both ColdFusion flavors and includes cb-websites, a GoLang binary for managing CommandBox websites.
Alluxio Webinar | 10x Faster Trino Queries on Your Data PlatformAlluxio, Inc.
Alluxio Webinar
June. 18, 2024
For more Alluxio Events: https://www.alluxio.io/events/
Speaker:
- Jianjian Xie (Staff Software Engineer, Alluxio)
As Trino users increasingly rely on cloud object storage for retrieving data, speed and cloud cost have become major challenges. The separation of compute and storage creates latency challenges when querying datasets; scanning data between storage and compute tiers becomes I/O bound. On the other hand, cloud API costs related to GET/LIST operations and cross-region data transfer add up quickly.
The newly introduced Trino file system cache by Alluxio aims to overcome the above challenges. In this session, Jianjian will dive into Trino data caching strategies, the latest test results, and discuss the multi-level caching architecture. This architecture makes Trino 10x faster for data lakes of any scale, from GB to EB.
What you will learn:
- Challenges relating to the speed and costs of running Trino in the cloud
- The new Trino file system cache feature overview, including the latest development status and test results
- A multi-level cache framework for maximized speed, including Trino file system cache and Alluxio distributed cache
- Real-world cases, including a large online payment firm and a top ridesharing company
- The future roadmap of Trino file system cache and Trino-Alluxio integration
Sami provided a beginner-friendly introduction to Amazon Web Services (AWS), covering essential terms, products, and services for cloud deployment. Participants explored AWS' latest Gen AI offerings, making it accessible for those starting their cloud journey or integrating AI into coding practices.
In this session, we discussed the critical need for comprehensive backups across all aspects of our industry—from code and databases to webservers, file servers, and network configurations. Emphasizing the importance of proactive measures, attendees were urged to ensure their backup systems were tested through restoration processes. The session underscored the risk of discovering backup issues only during crises, highlighting the necessity of verifying backup integrity through restoration tests.
Participants explored how visual and functional coherence strengthened brand identity and streamlined development in this session. They learned to maintain consistency across platforms and enhance user experiences using Design Systems. Ideal for brand designers, UI/UX designers, developers, and product managers who sought to optimize efficiency and ensure consistency across projects.
Join me for an insightful journey into task scheduling within the ColdBox framework. In this session, we explored how to effortlessly create and manage scheduled tasks directly in your code, enhancing control and efficiency in applications and modules. Attendees experienced a user-friendly dashboard for seamless task management and monitoring. Whether you're experienced with ColdBox or new to it, this session provided practical knowledge and tips to streamline your development workflow.
A captivating AI chatbot PowerPoint presentation is made with a striking backdrop in order to attract a wider audience. Select this template featuring several AI chatbot visuals to boost audience engagement and spontaneity. With the aid of this multi-colored template, you may make a compelling presentation and get extra bonuses. To easily elucidate your ideas, choose a typeface with vibrant colors. You can include your data regarding utilizing the chatbot methodology to the remaining half of the template.
In this session, we explored how the cbfs module empowers developers to abstract and manage file systems seamlessly across their lifecycle. From local development to S3 deployment and customized media providers requiring authentication, cbfs offers flexible solutions. We discussed how cbfs simplifies file handling with enhanced workflow efficiency compared to native methods, along with practical tips to accelerate complex file operations in your projects.