Discovering Query Bugs by TCP Inspection
06/23/14 The MySQL wire protocol includes useful result data and metadata, such as warnings and errors raised by the query. These often indicate bugs that will cause problems you m…
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SolarWinds Blog
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Adaptive Fault Detection Versus Anomaly Detection
04/24/14 We get a lot of questions about what our Adaptive Fault Detection algorithm really is and how it works. Although I can’t tell you exact details, I want to explain a few th…
Join Our Team! We’re Hiring!
04/24/14 We’re Hiring! VividCortex has several open positions, both technical and non-technical. All of these positions are fulltime, based in Charlottesville, VA or Montevideo, Ur…
How to Fix Hangout Restrictions on Google Apps
04/16/14 We use Google Hangout all the time to conduct calls with employees, service providers, customers and pretty much anyone. It’s a great tool, and in our opinion more friendl…
VMDK versus RDM: Which One Do I Need for SQL Server?
03/26/14 When it comes to disk configuration options for virtualized servers running on VMware, you have two options: VMFS virtual file-based disk (VMDK) or a raw device mapping (R…
Multi-Threaded Replication in MySQL
03/17/14 For years, people lamented that MySQL’s replication was single-threaded. Peter, Vadim, and I griped about this in High Performance MySQL for two whole editions, as well as…
Performance Schema, Slow Query Log, and TCP Decoding
02/25/14 Peter Zaitsev posted Percona’s answer to the question, “why use the slow query log instead of the PERFORMANCESCHEMA tables to gather information about query execution and …
Hardware or Code? SQL Server Performance Examined
01/24/14 As DBAs with years of experience in a variety of environment between us, we each have seen that most database performance issues result not from lack of enough CPU power o…
A Tale of Two Memory Leaks in Go
01/15/14 In this post I’ll illustrate two ways I’ve accidentally caused slow but steady memory consumption in Go programs. The phrase “memory leak” isn’t really accurate, but I can…
How to Recover the Master Database in SQL Server 2012
01/14/14 In my seven years as a production DBA, I can count on one hand the number of times I have need to restore the master database as a result of a disaster. In other words, th…
Connect to Windows Azure Virtual Machine Using SSMS
12/18/13 In 2013, Microsoft made it available for customers to utilize virtual machines running in Windows Azure. This allowed customers to run an on-premises version of SQL Server…
Multitick: multiple-subscriber time.Ticker in Go
12/17/13 Many of our agent programs have several independent worker routines that all need to be timed on clock ticks, sometimes with a specific time offset. We recently open-sourc…