Following our previous post on planning a load test, we are throwing in more points that you should consider when planning for a load test. Read the rest of this entry »
Most of the time, with every application, there comes with the Database setup and most of the time, it’s Oracle (being the biggest player in the DB industry). Fundamentally, (1) it requires a Oracle client to be installed on the machine as a native client. (2) A valid account and privileges to the Oracle V$ tables that holds statistics. (3) Ensure that you can properly query from the Controller using the SQL tools and extract data from the V$ table and you should be fine with the setup. In this article, we will be providing the a typical connection to the Oracle database for monitoring (i.e. we will not be focusing on counters directly related for analyzing database performance).
Let’s go through an overview for implementing the Oracle DB. Basically, we are doing in this sequence: Read the rest of this entry »
To configure Sybase database monitoring, we will require ASE Monitoring Server (not the ASE) to be installed on the Controller (refer to “How does the monitoring work in LoadRunner?” for monitoring concepts). Furthermore, we will require an additional DLL in Controller for it to work. From the Monitor Reference, the DLL is named, libct.dll. That is for version 12. While in version 15, it’s named libsybct.dll. ASE in short for Adaptive Server Enterprise is a database product from Sybase. To get the latest copy of the ASE server can be obtained from the Sybase website. Read the rest of this entry »
Looking for Linux performance monitoring and tuning resources to conduct analyzing work? ufsdump.org has a wide array of resource for Unix systems. In these two part PDF provided by ufsdump.org, titled, “Extreme Linux Performance Monitoring and Tuning”, ufsdump.org highlights the various components from CPU, memory and I/O that should be monitored and tuned accordingly. Concepts such as context switches, run queue, CPU utilization, time slicing and priorities are discussed for CPU. For memory, the PDF steps through performance concerns in Virtual Memory, Virtual Size (VSZ) and Resident Set Size (RSS), Paging/ Swapping, Kernel Paging with pdflush and kswapd. Lastly in I/O, the articles walks through concepts on reading and writing data for memory pages, major and minor page faults, file buffer cache, types of memory pages and writing data pages back to disk. All these concepts are great tips for performance tester in determine the performance of the Linux servers. To download the PDF, click on link below: Read the rest of this entry »
Have you ever come across an attempt to monitor Unix resources with just only rstatd? Where there are no options available to use SiteScope via telnet or SSH? Or simply because of the time factor that you must monitor the Unix resources in the load test conducted the following day? Read the rest of this entry »