MySQL DBA Consultant

@mascotindia123

Hello, I have carefully reviewed your requirements, and it would be an honor to work with you on your MySQL 5.7 to 8.0 upgrade planning and execution. With 14+ years of experience in database administration and backend infrastructure, I have worked extensively with MySQL in production environments on Linux and AWS, including replication setups, backup strategies, performance tuning, and version migrations. My approach would be to carefully review your existing upgrade plan, identify potential risks or gaps, and refine a structured, repeatable checklist covering pre-upgrade validation, migration strategy (in-place vs. blue-green), and a fully tested rollback procedure. I will also verify replication health, ensure backup integrity through restore testing, and review schema and query compatibility issues to ensure a smooth transition to MySQL 8.0 with minimal production risk. Any improvements or risks discovered during the process will be clearly documented, along with actionable recommendations for stability and performance. Please check my profile for reviews and relevant database and infrastructure projects. I am available to start immediately and would be happy to collaborate on the upgrade plan. Warm Regards, Harpreet Singh

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in System Admin, Linux, Cloud Computing, MySQL, Amazon Web Services, Database Administration, Technical Documentation, Database Design, Performance Tuning, System Administration and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@kamran2012

Hello there, I will review your 5.7-to-8.0 upgrade plan, annotate each phase with risk flags, and deliver a tested rollback procedure — covering in-place vs. blue-green paths across your mixed Linux/Windows EC2 hosts. One area worth validating early: running mysql-shell's upgrade checker utility against each host to catch deprecated SQL modes and incompatible data types before staging — it surfaces issues mysqldump alone will miss. Questions: 1) What replication topology are you running — standard async, semi-sync, or GTID-based? 2) How many databases and approximate total size across all hosts? Looking forward to discussing further. Best regards, Kamran

@vili1977

Hello. I would like to help you with upgrade mysql 5.7 to 8.0 with backups and optimization issue. I have experience. Please read my feedbacks. Thank you.

@ShafirR

Hello! A MySQL 5.7 → 8.0 upgrade is one of those projects where careful planning matters more than the upgrade itself. The biggest risks are usually compatibility changes, replication issues, overlooked configuration differences, and rollback gaps. I’m a Senior DBA with 10+ years of experience managing production database environments, migrations, upgrades, HA/DR, backup/recovery, and performance tuning. I can help you: • Review and refine your upgrade strategy • Identify compatibility issues between MySQL 5.7 and 8.0 • Evaluate in-place vs. blue-green deployment approaches • Validate replication topology and failover procedures • Verify backup and restore processes using mysqldump, xtrabackup, and EC2 snapshots • Develop and test a reliable rollback plan • Review monitoring coverage and upgrade risks Deliverables: ✔ Annotated upgrade checklist ✔ Tested rollback procedure for staging ✔ 8.0 compatibility findings and recommendations ✔ Risk assessment and improvement summary What I bring is a DBA mindset focused on minimizing risk and ensuring the upgrade is repeatable, testable, and fully recoverable before production cutover. A couple of quick questions: • What is the approximate database size? • Are you currently using replication, and if so, asynchronous or semi-synchronous? I’d be happy to review your current plan and help ensure a smooth upgrade path. Kind Regards, Shafir Senior DBA Top Rated Freelancer (Top 3%)

@raj00565

Having worked extensively in system administration, network engineering and DevOps for over 12 years now, I believe the skills I bring to the table make me The MySQL DBA Consultant you need for this critical project. My name is Raj, and my team's primary goal is to ensure the operational excellence of your IT infrastructure by leveraging AWS services and other modern DevOps practices. Specifically, our expertise with AWS EC2, Linux shell utilities, mysqldump & xtrabackup, as well as Percona Toolkit aligns perfectly with your project's requirements. We have planned and executed numerous major version upgrades over time and have mastered the art of making these complex transitions smooth and low-risk. Having a rock-solid rollback path and a thoroughly tested upgrade checklist are integral to ensuring any upgrade process's success. Additionally, my team prides itself on leaving no stones unturned; we'll ensure replication topology validation, confirmation of clean backups restores, and monitoring robust enough to catch any potential issues post-upgrade. Our penchant for detail will also extend into documenting parameter changes, schema updates or query modifications required for MySQL 8.0 compatibility which will help you stay aligned with the new version's standards. Let's work together towards this transition - all hands on deck is what you'll get from us!

@krupnovdenis

Hello! Мы можем помочь вам с безопасным планом и проведением перехода на MySQL 8.0. 1. На какой стадии сейчас находится план обновления? 2. Нужна ли сначала проверка rollback-процедуры на staging-клоне? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!

@Tacticssoft

Hello, I can help review and harden your MySQL 5.7 → 8.0 upgrade strategy with a strong focus on risk reduction, repeatability, and rollback readiness. I have experience working with MySQL production environments, replication topologies, AWS EC2 deployments, Percona Toolkit, XtraBackup, mysqldump, and upgrade planning for business-critical systems where downtime and data integrity are major concerns. For this engagement, I can assist with: • Reviewing your existing upgrade plan line-by-line • Identifying MySQL 8.0 compatibility risks and deprecated features • Evaluating in-place vs. blue-green migration approaches • Reviewing replication architecture and failover procedures • Validating backup and restore workflows using mysqldump and XtraBackup • Assessing AWS snapshot and recovery procedures • Reviewing configuration changes required for MySQL 8.0 • Checking authentication, charset, collation, and SQL mode impacts • Identifying query, schema, and index compatibility concerns • Reviewing monitoring, alerting, and health-check coverage • Creating a tested rollback procedure for staging validation • Documenting pre-upgrade, cutover, and post-upgrade checklists My goal is to ensure the upgrade is predictable, well-tested, and fully reversible before production execution. I am available to start immediately and can review your current checklist and architecture documentation as the first step. Best regards

@intelliresponse

As an adept MySQL DBA Consultant, I bring over 13 years of experience to the table. I'm extremely comfortable with the key tools in play, from MySQL 5.7/8.0 to mysqldump & xtrabackup, AWS EC2 snapshots, Percona Toolkit, and various Linux shell utilities. I've worked extensively on Linux and Windows hosts, including in an Amazon Web Services (AWS) EC2 environment. Furthermore, I have a deep appreciation for upgrade planning and execution, recognizing the need for a well-structured, reversible process. My involvement in your project includes conducting a meticulous review of your current upgrade plan and identifying potential blind spots or vulnerabilities to refine your checklist accordingly. Additionally, I will validate the replication topology, conduct checks to confirm backup restoration as well as ensure the monitoring system is intact post-upgrade. It's worth noting that while enhancing performance is always desirable, my primary focus will remain on facilitating a smooth version shift while eliminating risks. Through your collaboration with me on this project, you can expect a comprehensive upgrade checklist overlayed with detailed upgrade parameters and schema changes necessary for 8.0 compatibility along with documented rollback procedures tested on both staging clones and live migrations on both Windows and Linux hosts.

@devendrathakur12

Hello, I built many large scale MySQL migration and infrastructure modernization projects similar before and I would love if I get the chance to work on your project. I can review your existing upgrade strategy and help create a repeatable migration plan covering MySQL 5.7 to 8.0, Percona Toolkit, mysqldump, XtraBackup, AWS EC2 snapshots, replication validation, and rollback testing. My goal is to reduce risk by verifying backups, identifying compatibility issues early, and documenting every step so future upgrades remain predictable and easy to execute. One question I have is whether your production environment uses GTID based replication or traditional binary log positioning, as that can significantly influence the safest upgrade and rollback strategy. Can we connect over a chat to discuss more about the project? Best regards, Dev Singh

@emilesd617

Hi, I am a MySQL Database Administrator with 8 years of rich experience. I am familiar with MySQL, Linux, Amazon Web Services, Database Administration, and Performance Tuning. For this project, the most important part is creating a safe upgrade path with a tested rollback strategy to minimize production risk. I can review the upgrade plan, validate backups and replication, identify MySQL 8.0 compatibility issues, and document the complete process. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.

@codefusion53

Hi I will guide your upgrade from MySQL 5.7 to 8.0 across Linux servers and Windows hosts on EC2 with a repeatable, reversible plan. I will review your upgrade plan, identify blind spots, and produce a detailed pre flight, in flight, and post upgrade checklist covering in place versus blue green, backups, and a robust rollback path. I will validate replication topology, ensure backups restore cleanly, and shore up monitoring to catch issues early. I will annotate required 8.0 parameter and schema changes and flag any queries likely to affect performance. Deliverables include the reviewed upgrade checklist, a rollback procedure tested on a staging clone, notes on 8.0 compatibility, and a concise summary of risks and improvements. Tools include MySQL 5.7/8.0, mysqldump, xtrabackup, AWS snapshots, Percona Toolkit, and standard Linux utilities. If you prefer other tools or scripts, I can adapt. My approach emphasizes low risk, clear milestones, stakeholder visibility, and a smooth production handoff. Best, Justin

@techsty2014

Hi there, We will review your 5.7 to 8.0 upgrade plan, fill in blind spots, and deliver an annotated checklist with a tested rollback procedure. One area we will focus on: deprecated sql_mode defaults and authentication plugin changes that silently break app connections after upgrade. We will flag these before they hit production. A couple of quick things to confirm: 1) Is your replication async or semi-sync, and how many replicas? 2) Do you have a staging clone ready, or do we set that up first? The number quoted here is a starting estimate. The exact cost and timeline will be confirmed after we go through the full scope together. Looking forward to talking through the details. Faizan

@engruhulajom

Hello Dear! Good Day! Hope you are doing fine. This is Ruhul Ajom Sagor. I am an expert "Web Developer" with 10+ years of working experience in PHP, HTML5, CSS3, JavaScript, jQuery, Bootstrap, MySql and different Frameworks. I have completed my B.S.C Engineering in Computer Science and Engineering (CSE) from BUET. Hire me and you don't have to worry about your website problems again! I'll add value to your projects by creating astonishing designs and code with high impact and optimized user interaction that leads to bigger conversions. WHAT PROBLEMS CAN I HELP YOU SOLVE? • Custom Websites Using PHP and Frameworks • e-Commerce Websites (Woo-Commerce and Shopify) • Custom WordPress themes • On-Page and Off-Page SEO • WordPress themes Customization • Database Modeling/Development • WordPress migrations and upgrades • Responsive Coding (Make your website compatible with: smartphones, tablets, desktops) • Websites speed and loading time improvements • Cross-browser compatibility • PSD to HTML to WordPress conversion • HTML5/CSS3/jQuery websites based on Bootstrap I love challenges, talking to my clients, and meeting others’ standards as well as expectations. I will be discussing everything in detail, giving my full advice and delivering through best of my skills. You are cordially welcome to discuss your project. Thank You! Best Regards, Ruhul Ajom

@najibe1

Hello, I’m an IT expert with over 20 years of experience in the industry. I hold certifications as a Cisco Certified Networking Professional (300-100 and 300-115), Linux Certified Professional (LPI 101, 102, 103), Red Hat Certified System Administrator, VMware Certified Professional (versions 4, 5, and 5.5), as well as being a Microsoft System Administrator/Engineer from 2003 to 2022 and AZ104 . I done many migration and i know the step to done your project without any issue feel free for any question

@murtuza90

With over 13 years of hands-on experience managing Linux-based MySQL deployments in AWS, I can provide the comprehensive guidance you need for a smooth and successful upgrade. As a seasoned Database Administrator and Software Architect, I'm well-versed in planning, executing, and troubleshooting MySQL migration projects to higher versions. I've established a proven track record in managing database change management and ensuring minimal downtime during upgrades. I am intimately familiar with the intricacies and challenges associated with moving from MySQL 5.7 to 8.0, even on mixed-platform environments like yours (Linux and Windows). I understand the significance of having every step repeatable, tested, and reversible and will ensure that your upgrade journey aligns with these requirements. My extensive experience with AWS EC2 environments, including backup strategies using mysqldump & xtrabackup as well as utilizing Percona Toolkit, has equipped me to handle all aspects of your migration process efficiently. In addition to guiding you through each step of your upgrade plan, I won't shy away from providing performance tuning advice as needed to guarantee a high-performing system post-upgrade. Hire me now for meticulous planning, robust documentation, and an unwavering commitment to a low-risk transition journey for your project!

@rbtech1984

Hi There!!! ★★★★ (MySQL 5.7 to 8.0 upgrade planning with safe rollback and zero downtime focus) ★★★★ Project understanding: Client needs expert DBA support to review and improve a MySQL 5.7 to 8.0 upgrade plan across AWS EC2 and Linux/Windows systems. Focus is on safe migration strategy, rollback readiness, replication validation, and risk-free execution. ⚜ MySQL 5.7/8.0 upgrade planning & compatibility checks ⚜ Review of replication setup and architecture validation ⚜ Pre/post upgrade checklist with clear step-by-step flow ⚜ Backup verification using xtrabackup, mysqldump, EC2 snapshots ⚜ Rollback strategy tested in staging environment ⚜ Performance tuning and query/schema impact analysis ⚜ AWS EC2 database migration best practices I have strong experience in MySQL administration, AWS environments, replication setups and production DB upgrades. I usually focus on stability first, so nothing breaks during migration and rollback is always fully ready if needed. I can review your current plan, highlight risks you may not see yet, and help you make a clean, repeatable upgrade process. Let’s discuss your current architecture so we can start safely. Warm Regards, Farhin B.

@aidigitalhub

Performance tuning, the skill most sought after, is the first on list of my competencies. I'm well-versed in predicting and mitigating potential risks such as those which could occur during your MySQL 5.7 to 8.0 version jump, and have professional experience using the exact stack and tools you're utilizing i.e MySQL 5.7/8.0 and mysqldump & xtrabackup. In terms of AWS EC2 snapshots, Percona Toolkit, and standard Linux shell utilities that contribute to your tech-stack, there's no problem as I have navigated through the intricacies and tediousness of performing with all these effectively and efficiently. Rest assured, I will maintain constant communication with you from the initial review stage to providing you a comprehensive documented rollback procedure tested on a staging clone in alignment with your needs and desires. From my previous experiences, I've learned that's crucial for your satisfaction as clients usually like to know their projects are in safe hands. After all is done and dusted,I will provide you with not only the annotated upgrade checklist but also written notes explaining any parameter, schema or query changes required needed for 8.0 compatibility.I am confident in my competence regarding precisely what you need to make this a smooth transition so let's get started!

@chandibraheem58

Hi, A MySQL 5.7 to 8.0 upgrade is as much about planning as it is execution. My focus would be on eliminating surprises by validating every stage before anything reaches production. I'll review your existing upgrade plan, identify potential compatibility issues, compare in-place and blue-green approaches for your environment, and refine a detailed checklist covering pre-upgrade validation, execution, rollback, and post-upgrade verification. We'll also verify replication health, test backup restores using mysqldump and XtraBackup, review MySQL 8.0 configuration and SQL compatibility, and ensure your monitoring will detect any issues immediately after the upgrade. The end result will be a documented, repeatable upgrade process with a tested rollback procedure and clear recommendations for configuration, schema, or query changes required before moving production. Please share your current upgrade checklist and a brief overview of your replication topology, and I'll review them before recommending the safest migration strategy. Best Regard, Chand