On Thu, Jun 24, 2010 at 1:09 PM, Richard Gasiorowski <[email protected]> wrote:
> Rob has a good point in resource usage and with GC it definitely is the > lesser of two evils. I have never had an instance where after determining > the GC Collector settings performance and % utilization suffered > negatively. One can also look at GC as being Java feeble attempt at > memory management. I recently heard someone claim "one might find classic programs spend 30% of their CPU in malloc() / free() calls and tasks that would otherwise be provided by the JVM" But he's a true Java person, so I would like to see some data... OTOH I was working with a customer recently who was fighting the embedded DB2 inside his TSM 6 server. Apparently DB2 could not decide whether to keep the block or give it back to Linux. After changing a memory threshold in DB2, he got back a lot of system time in Linux... Rob -- Rob van der Heij Velocity Software http://www.velocitysoftware.com/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
