CPU usage too high which make MYSQL crash : Error establishing a database connection

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dobrý deň To troubleshoot the high CPU usage and prevent MySQL from crashing, there are a few steps that can be taken. 1. Optimize MySQL Configuration: The first step is to check and optimize the MySQL configuration. This includes adjusting variables such as innodb_buffer_pool_size, key_buffer_size, and query_cache_size. These settings can significantly impact the performance of the database and may need to be adjusted depending on the size and type of your database. 2. Check for Inefficient or Long Running Queries: High CPU usage can also be caused by inefficient or long-running queries. Use tools like MySQL Workbench or the MySQL slow query log to identify these queries and optimize them. This can improve the overall performance of your database and reduce CPU usage. 3. Consider Upgrading Hardware: If the regular Intel 2 vCPUs and 2 GB RAM are not sufficient to handle the workload of your website, consider upgrading to a higher capacity droplet. This will provide more resources for your MySQL database to run efficiently without causing crashes. 4. Utilize Caching: Caching can significantly reduce the load on your MySQL database by storing frequently accessed data in memory. This can be achieved by enabling caching in your website's code or by using a caching plugin for your content management system. 5. Monitor Server Resources: Monitoring server resources can help pinpoint the source of high CPU usage and allow for proactive measures to be taken. Tools like New Relic or Datadog can provide real-time insights into your server's performance and alert you of any potential issues. In conclusion, to solve the issue of high CPU usage causing MySQL crashes, it is crucial to optimize the MySQL configuration, identify and optimize inefficient queries, consider upgrading hardware, utilize caching, and monitor server resources. By taking these steps, the website should run smoothly without the error of "error establishing a database connection" occurring. Best regards, Giáp Văn Hưng

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With 8 years of experience, I, Muhammad Abdullah vow to stabilize your web hosting journey. As an expert in Linux systems, I am confident in debugging issues not just with Ubuntu but with Debian and Debian-based OSs as well. Understanding your need for stability without expanding your server capacity, I will thoroughly analyse your existing CPU usage, identify the causes of its excessive consumption and find appropriate solutions to optimize it - consequently preventing further MySQL crashes and the dreaded "Error establishing a database connection" message. As PHP is fundamental to your website's functions, my deep knowledge in this area would prove invaluable in resolving any related issues by updating it to the latest version and extending its functionality through different extensions. Moreover, for streamlined and manageable web traffic, I can configure Reverse Proxy effectively implementing Load Balancing maneuvers for your application and website. Beyond fixing the existing issue, I believe in long-term robustness for my clients. Thus, after successfully stabilizing your server's CPU usage, I will upgrade your current version of Ubuntu to Ubuntu 22.04 Jammy Jellyfish ensuring not just efficiency but also security for your system. Let's team up to resolve this problem swiftly while fortifying your website against any future instability

Hello there, Capetonian! If you prefer working with locals, let me have a look at your VPS. I'll take a few steps to find where the problem is coming from. Isolate the issue and the resolve it. I have a lot of experience with Linux, WordPress, PHP and docker (if needed). I can help. Get in touch

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Hello, I'm an IT expert with more than 20 years of experience in the IT industry . I'm Cisco Certified networking professional 300-100 and 300-115 and Linux Certified Professional lpi 10dock1, 102,103 and red hat certified system administrator and VMware Certified Professional 4, 5,5.5 and Data Center and Microsoft System administrateur /Engineer ranging from 2003 to 2016 .

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As an experienced full-stack developer with a deep understanding of server management, I am confident that I can resolve the high CPU utilization issue you're facing. My proficiency in Linux, MySQL, and PHP is perfectly aligned with your project requirements. I will start by identifying the root cause of the problem and implementing targeted fixes to optimize your server's performance. Given my certified expertise in networking and IT support, I am adept at handling such critical server performance issues. Updating your current version of Ubuntu to 22.04 Jammy Jellyfish, which brings significant system enhancements, along with upgrading your PHP and MySQL versions in line with the latest releases will undoubtedly improve the robustness and stability of your server. So don't let this recurring CPU usage issue continue to derail your website's operational efficiency. Choose me, Muhammad Bilal, as your dedicated problem solver and together we'll restore your server to its optimal state, ensuring smooth browsing experience for every user visiting your site. Let's discuss this further and strategize a way forward. Ready when you are!

Sure, sure. No problem in handling it. Please let me access your server to get details of the error. Thank you.

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Hello there, I'm here to help you. My name is Manish. I'm. Linux server administrator with 3 years of experience. I will troubleshoot your issues and do the needful. contact me for further discussion Thankyou