Enterprise Networks & Servers just published a piece we wrote on Ending the Application Waiting Game. Understandably there are a lot of reasons why applications might have slowdowns, but increasingly we see delays in I/O access as the root cause.
The article also includes a section on Top Symptoms of Storage Bottlenecks, which should be helpful for those trying to determine the source of the problem.
Arthur Cole at IT Business Edge has posted a relevant blog piece on Improving Application Latency, which starts with the following excerpt:
Time was that when an application took a few more minutes than normal to boot up or failed to access needed data right away, it led to a few choice words by the user and that was that. But in today’s world of split-second financial transactions and real-time medical imaging, application and data latency can have serious repercussions. [read the full post here]