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Displaying posts with tag: diagnosis (reset)

My MySQL SNMP Agent
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Back in February I wrote an article titled A Small Fix For mysql-agent. Since then we did a few more fixes to the agent and included a Bytes Behind Master (or BBM) chart. For those who can't wait to get their hands on the code, here's the current version: MySQL SNMP agent RPM. For those who'd like to learn about it's capabilities and issues, keep reading.

What to Expect From this Version


The article I quoted above pretty much describes the main differences with the original project, but we went further with the changes while still relying on Masterzen's code for the data collection piece.

The first big change is that we transformed




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A Small Fix For mysql-agent
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If you're already using an SNMP monitoring tool like OpenNMS, mysql-agent is a great way to add a number of graphics using Net-SNMP. However mysql-agent has a small bug that drove me crazy. I will try to highlight the process on how I discovered it (and hence fix it) since it involved learning about SNMP, how to diagnose it and eventually, once all the pieces came together, how simple it is to write your own agents.

Although versions are not that important, just for the sake of completeness we were using CentOS 5.5, MySQL 5.5.8 Community RPMs, Net SNMP version 5.3.22 and OpenNMS Web Console 1.8.7.

The Problem

I




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My Impressions About MONyog
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At work we have been looking for tools to monitor MySQL and at the same time provide as much diagnosis information as possible upfront when an alarm is triggered. After looking around at different options, I decided to test MONyog from Webyog, the makers of the better known SQLyog. Before we go on, the customary disclaimer: This review reflects my own opinion and in no way represents any decision that my current employer may or may not make in regards of this product.

First Impression

You know what they say about the first impression, and in this where MONyog started with the right foot. Since it is an agent-less system, it only requires to install the RPM or untar the tarball in the server where you're going to run the monitor and launch the daemon to get started. How much faster or simpler can it be? But
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Speaking At The MySQL Users Conference
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My proposal has been accepted, yay!

I'll be speaking on a topic that I feel passionate about: MySQL Server Diagnostics Beyond Monitoring. MySQL has limitations when it comes to monitoring and diagnosing as it has been widely documented in several blogs.

My goal is to share my experience from the last few years and, hopefully, learn from what others have done. If you have a pressing issue, feel free to comment on this blog and I'll do my best to include the case in my talk and/or post a reply if the time allows.

I will also be discussing my future plans on sarsql. I've been silent about this utility mostly because I've been implementing it actively at work. I'll post a road map shortly based on my latest experience.

I'm excited about meeting many old friends (and most now fellow MySQL alumni) and making new ones. I hope to see you there!
Showing entries 1 to 4

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