Java performance on the HP Integrity NonStop server
ITUG Connection readers have plenty of practical experience in running Java™ technology based applications in the NonStop server environment. If they have found the results to be less than optimal in the past, they will be very pleasantly surprised at the performance of these applications on the Intel® Itanium® 2 processor–based HP Integrity NonStop server. In the following interview, HP Technical
Consultant Frans Jongma explains why.
Connection: People have not always been happy with the performance of Java on NonStop systems, saying that the server is too slow. Is this complaint justified? Frans Jongma: Many of us who deal with NonStop customers that use Java may have come across this remark. Defending against such claims has not been easy in the past.
However, with the new HP Integrity NonStop servers based on Intel Itanium technology, things have changed. People who tried Java on NonStop systems a year ago will be surprised when they try again today, on the new Itanium based machines.
Connection: Why are things different now?
Frans Jongma: In the days of the NonStop S-series server, there was a significant problem: the clock speed of the processor. Compare the 550 MHz R14000 processor (built by MIPS) in the S86000 server, or the 800 MHz R16000 processor in the S88000 server, to the clock speed of your current laptop. With the introduction of the processor–based NS-series systems, Integrity NonStop servers have stepped onto the performance path of today’s servers. The new machines operate at clock speeds two to three times higher than the NonStop S-series machines.
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