There’s been a bit of buzz lately where MySQL databases have been compromised and user passwords being stored in plain text. Bad fu. It’s pretty simple to encrypt passwords in MySQL, here’s how you do it.
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A common requirement when load testing is to populate subsequent requests with dynamic data from previous requests. If you’re thinking about using a database to store static test data, such as usernames, paswords, credit card numbers etc then read on to find out how to extract this data at runtime and populate JMeter variables. When running multiple vuser groups with the same script i.e. If that script references a data file (for parameters) then that data file is shared by *all* vuser groups. When running, vuser group_b will error with these settings e.g. i.e. So 2 separate vuser groups still equals one shared parameter file (and settings). NOTE: This doesn’t generate a timestamp accurate to milliseconds. It just stores it in two fields. AFAIK there is no way to generate such a thing. It is accurately described here. Sorry for the confusion =) Bug #8523 details MySQL’s deficiency in its ability to store and retrieve datetime values with millisecond or microsecond precision. When [...] If you are a rails fan you will probably recommend using active record instead, but if you just want to hack away at your mysql db from within your Ruby code, you may find this handy… I’m currently using a wamp box to serve up content for performance metrics. What I needed was a Ruby script [...] Mercury’s Virtual Table Server (VTS) provides the following functionality when sharing data between vusers in your typical LoadRunner scenario … Virtual Table Server (VTS) first edition, introduced the capability for LoadRunner virtual users, WinRunner and XRunner, to communicate in real time. Data extraction and communication was simplified but limited to column/queue level operations. The new Virtual [...] |
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