On Tuesday 25 May 2010 09:28:29 starg...@gmx.sg wrote: > I've finally decided to move from 0.5 to 0.7. I don't know if it's any of the > settings or the 0.7's hardware requirements - but the CPU is about 10 degrees > C warmer in average than before, and CPU usage is very often at 100 %, which > basically makes the computer pretty much useless for anything (else). > The server's specs are: XP SP3, Celeron 2.4 GHz, 1 GB RAM. Too weak for 0.7x? > Firstly, if your computer is unstable when running at 100% CPU for long periods, your computer is broken and should be RMA'ed. :)
Seriously, the above specs should be adequate, depending on what else is running. What else is running? Freenet should not, generally speaking, run 100% CPU for extended periods. However, LIKE ALMOST ANY OTHER APPLICATION, 100% CPU for brief periods is inevitable. Windows' scheduling priority code, combined with the fact that Freenet runs at BELOW_NORMAL priority class, should ensure that this does not interfere in any significant way with other applications; unless you are running things other than freenet at low priorities, it is more likely that a general slowdown is caused by the constant and fairly heavy disk I/O freenet does. However, if Freenet is doing a lot (e.g. lots of downloads queued) and has too low a memory limit, that can push it into constant 100% CPU, constantly seeking out the last few bytes. That's probably the most common problem. You might like to increase the max memory limit (in wrapper.conf). However, this means less memory for your other apps. Note that Freenet uses a bit of memory on top of the memory limit - some for threads (you can limit the number of threads at some performance cost), some for the JVM itself, and some for the bloom filters for the datastore (1MB per 2GB).
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