We're experiencing a strange performance issue where I work. We run a Java swing client on windows machines. When that client connects to a jboss server on a windows (Server 2003) machine it performs excellent, but when we run jboss on a linux machine (Suse 9.3, and Suse 10) it is noticibly slower. We have no idea why it would be slower on linux. We've tried several things: for example, initially we installed the 64bit version of suse, but then tried switching to the 32bit version (since we're not running 64bit versions of Windows). We've only used Sun's jvms so far, but we've thought about using IBMs, we've heard they're faster, is that true? We noticed that the bioses on theses servers have strange windows related settings, like What OS will you be running on this server? With choices Win XP, Win 9x, Win 2000, Win ME, other. (We really got screwed with this hardware, but that's another story). We've tried playing around with bios settings. Anyway, does anyone know of anything we could do to improve performance when using the linux server? Oh yeah, why change if it performs better on windows? The server has been unpredictably (but somewhat expectedly) locking up - complete lock up, even the three fingered salute doesn't revive it - every 10 days-ish for the last few weeks. It was decided to try running jboss on Solaris, since maybe the jvm is even more reliable on Sun's own os, however, after what appeared to me to be a sucessful install the machine will not boot, it give the message 'Could not read fdisk table'. I think I might know what it means, but I don't know what to do about it. Any help?
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