Webinar Thursday, March 15, 2018: Basic External MySQL Troubleshooting Tools [REPACK]
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How to Use Basic External MySQL Troubleshooting Tools: A Webinar Recap
If you missed our webinar on Thursday, March 15, 2018, don't worry. You can still learn how to use some of the most common and useful external tools for troubleshooting MySQL issues. In this article, we will summarize the main points covered by our expert presenter, Peter Zaitsev, CEO and co-founder of Percona.
MySQL is a powerful and reliable database system, but sometimes things can go wrong. Whether it's a performance problem, a replication lag, a crash, or a data corruption, you need to know how to diagnose and fix it quickly and efficiently. That's why having a set of external tools at your disposal is essential for any MySQL administrator or developer.
In this webinar, Peter Zaitsev introduced some of the basic external MySQL troubleshooting tools that he uses on a daily basis. He explained what they are, how they work, and how to use them effectively. He also showed some real-life examples of how these tools helped him solve some common MySQL problems.
Here are some of the tools that Peter discussed in the webinar:
pt-summary: This tool from Percona Toolkit provides a quick overview of your MySQL server and its environment. It collects information about the hardware, OS, MySQL configuration, status variables, processes, and more. It can help you identify potential issues or areas for improvement.
pt-stalk: This tool from Percona Toolkit monitors your MySQL server and triggers a data collection when a certain condition is met. For example, you can use it to capture the state of your server when the load average exceeds a certain threshold, or when a specific query takes longer than expected. It can help you find the root cause of intermittent or sporadic problems.
pt-pmp: This tool from Percona Toolkit generates a summary of MySQL threads based on their stack traces. It can help you identify which threads are consuming the most CPU or memory, or which threads are stuck or waiting for something. It can also help you spot patterns or anomalies in your thread activity.
strace: This tool is a standard Linux utility that traces the system calls made by a process. It can help you understand what your MySQL server is doing at the OS level, such as reading or writing files, opening or closing sockets, or sending or receiving signals. It can also help you troubleshoot performance issues caused by IO bottlenecks, network latency, or resource contention.
gdb: This tool is a standard Linux utility that allows you to debug a running process or a core dump file. It can help you inspect the internal state of your MySQL server, such as variables, registers, memory, or code. It can also help you troubleshoot crashes or hangs by showing you where and why they occurred.
If you want to learn more about these tools and see them in action, you can watch the recording of the webinar here. You can also download the slides and the scripts used in the webinar here.
We hope you enjoyed this webinar and found it useful. If you have any questions or feedback, please leave them in the comments section below. And don't forget to check out our upcoming webinars here. ec8f644aee