Thanks for the answers Bob!
Try increasing the maximum heap via the JavaMem line in Flaunch.ini to e.g.
"JavaMem=256" for 256 MB maximum, this should help somewhat. (Java's default gc
likes to wait till it has almost no heap left before it bothers to collect, at
which point it can thrash and do so very slowly.)
That's just the problem. I have 512MB of RAM and with various
applications running concurrently [Palm Desktop, Thunderbird, Mozilla,
jEdit, Apache HTTP, Sun J2EE RI, MySQL, I2P, Tor, Gaim, GoogleTalk,
Prime95, WorldCommunityGrid, BOINC, electricsheep, etc.] there's no more
left to hand over to Freenet. All the applications were well-behaved
until Freenet got installed - now my machine is a *turtle*. The use of
1.5 however is a huge improvement.
Before anyone asks - no Freenet isn't the last straw. I've tested that
possibility by stopping some of the other servers & applications but it
doesn't make a difference. I've isolated the pigginess to Freenet!
Not only should it, it's supposed to :(
Can you please post exactly what versions of 1.4 / 1.5 you have installed?
Hence my surprise. :)
I have Java 1.5 Update 5 (1.5.0_05-b05) & Java 1.4.2_09 (1.4.2_09-b05).
I have both the JDK/SDKs & the JREs for each version. I've setup my
environment such that a "java", "javaw" or "javaws" at the command line
starts up the 1.5 version of the apps. Could my Windows registry be
corrupted? What keys' existence should I check for?
The paths are as follows
Java 1.5 JDK: C:\java\se\sdk\1.5.0_05\
Java 1.5 JRE: C:\Program Files\Java\jre1.5.0_05\
Java 1.4 JDK: C:\java\se\sdk\1.4.2_09\
Java 1.4 JRE: C:\Program Files\Java\j2re1.4.2_09\
Hopefully the wininstaller can be dropped for the proposed amazing java thing
maintained in core by the time 1.6 is mainstream ;)
I'm curious, what amazing java thing?
2) Is it possible to pass options to the JVM (e.g. AggressiveHeap,
DisableExplicitGC, server, etc.) via the system tray icon? If so, how? By default
the 1.5 & 1.4 JREs don't use the -server option or other beneficial options.
Hence Fred doesn't benefit from the aggressive server profiling of the JVM. A long
running application like Fred would definitely benefit from the -server option at
least.
Good point, Fred does benefit from -server in my experience but at the cost of
more memory. At the moment I don't believe it's possible to directly pass
arguments to the windows launcher, a workaround would be to put the flags in
the default java control panel options but obviously they'd then apply to any
application using that JRE.
I considered the control panel, but I can't have that. I do Java
development and don't want to change the JVM defaults on a system-wide
basis as users (of applications I work on) might end up with poor
performance if I allow the JVM to "hide" my bad programming practices
during development.
A related question: Since the windows launcher can't pass options to
the JVM, does anyone know if there is a service wrapper (for Windows XP)
available for Java applications? I can then configure the service
wrapper with the necessary JVM options & have freenet run 24/7 as a
Windows service on all workstations under my control?
Thanks,
Ashton
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