When New York's Triborough Bridge opened in 1936, it was widely viewed as the end of traffic congestion. And it was – for several months. But its architect soon realized that better roadways and better bridges inevitably led to more traffic on the road. It's no different in IT.
The Input/Output Operations per Second (I/O) capabilities of modern computer systems are truly a modern wonder. Yet no matter how powerful the processors, no matter how many cores, how perfectly formed the bus architecture, or how many flash modules are added, somehow it never seems to be enough. While existing applications flourish on the latest platforms, software designers are quick to design new ones to take advantage of all this new potential. Result: just like New York City – traffic congestion in IT systems becomes a fact of life.
This is confirmed by a newly released survey by Condusiv Technologies, the third annual I/O Performance Survey, which consulted over 1,400 IT professionals and revealed some startling facts. Organizations have been keen to adopt the latest in all-flash arrays, hybrid arrays, hyperconverged architectures, PCI-e flash cards, and servers with even more cores as a solution to their performance woes. Yet a full 27 percent continue to receive user complaints about sluggish performance on mission-critical applications such as MS-SQL. They see little option but to add yet more expensive hardware to alleviate the many bottlenecks they are dealing with.
The bulk of these organizations are operating heavily virtualized Windows environments. Almost half of them admit serious problems supporting one or two of their most demanding applications. The specifics vary from business to business, but encompass the likes of MS-SQL, SAP, Oracle, Microsoft Exchange, various ERP tools, CRM, databases, BI, analytics, VMware, VDI, Splunk, financials and security applications.
A full 30 percent of those surveyed believe that the growth of I/O from applications has outpaced the useful lifecycle they expected from their underlying storage architecture. Only 41 percent consider that they are able to cost-effectively keep up with the growth of I/O. The rest face a grim future of budget restrictions in the face of urgent demands to add more server and storage hardware.
They find themselves with some tough choices. Should they grit their teeth and endure these performance issues until the next budget cycle, and hope there is some leeway in next year's budget to purchase new hardware? Or should they divert money away from other urgent IT initiatives to solve the incessant flood of user complaints?
While the latest and greatest hardware is always going to make a difference, it doesn't solve the problem in the long run. As the architects of our road systems have found, newer, wider and better roads only lead to more traffic and eventual gridlock. That's why they are turning to software as a key part of their vision for a better future. They are working hard on initiatives such as driverless cars, traffic flow optimization software, and vast road sensor networks feeding data into to traffic flow analytics systems. Certainly, such systems must be supported by new hardware. But software is being turned to as the ultimate solution to city congestion.
Similarly, in the world of ever rising I/O demands, software solutions are emerging that provide relief from performance bottlenecks. The various approaches to I/O streamlining and reduction include caching, micro-tiering, fragmentation prevention and performance tuning. They offer a way to better performance now without breaking the bank.