[freenet-support] java.lang.OutOfMemoryError

[Shawn Yarbrough]

My dedicated Freenet node won't start.  I stopped it because the load 
was only 20% (I'm used to around 80% load, 24 hours a day).  It was 
working fine 12 hours ago as far as I could tell from :.

I'm seeing:

Exception in thread main java.lang.OutOfMemoryError

in the bash shell that I run my node from.  This occurs after loading 
routing table in freenet.log, and then the node crashes.


This node is the latest version and has been around since the stable 
release.  Uptime was over five days.  It has about 19 GB in it's 
datastore.  System is Athlon 1333 mhz, Debian GNU/Linux 3.0, Linux 
kernel 2.2.20, Sun Java, 768 MB RAM, 2 GB swap, no swap being used.


Any suggestions what could be wrong?  I tried renaming the ls* and rt* 
files but that had no effect so I put them back.  I can provide more 
info/logs/testing but I don't currently have time to debug any code myself.


Shawn Yarbrough
[EMAIL PROTECTED]


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[freenet-support] wasting bandwidth?

[Shawn Yarbrough]

My node uses about 30% of available CPU and less than 10% of available
bandwidth.  Here are my freenet.conf bandwidth limits:

bandwidthLimit=1048576 (this line should be ignored, right?)
inputBandwidthLimit=1048576
outputBandwidthLimit=1048576

This is for a 10BaseT full-duplex Ethernet connection to the internet.  With
these settings I only see about 500Kbit/s to 2Mbit/s bandwidth usage.  In
fact the only way I got bandwidth above 500Kbit/s was by messing with
maximumThreads.  Unfortunantly raising maximumThreads to 200 or above makes
my system unable to fork so I had to reboot.  Now it is set at 150.  There
were lots of thread creation errors in freenet.log afterwards.

Before I messed with maximumThreads my number of open connections was almost
always pegged at 48.  Now it is almost always pegged at 60.  I feel this
system will easily handle 200 or more open connections if somebody can help
me configure it right.

There is plenty of RAM in this system, 768 MB.  I can provide Freenet
diagnostics and logs if needed.  This is Freenet build 535.

How can I really crank up this underused node?


Shawn Yarbrough
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[freenet-support] just curious

[Shawn Yarbrough]

Is there a good description somewhere about what these numbers mean?  I've
read most of the freenet website (for years, in fact) but I don't remember
seeing anything about this stuff.

This is my 1333 mhz 768 MB Athlon box on 10BaseT internet.  (below)

I'm especially curious about the localRequestsPerHour which I initially
took to mean how many requests *I* was making from my node, but there's no
way I'm making anywhere near that many requests.

--Shawn Yarbrough



   Uptime
15 hours 54 minutes

   Load
 * Current routingTime: 1ms.
 * Active pooled jobs: 99 (82.5%)
 * Available threads: 49
 * Current estimated load: 82.5%.

   At date: Fri Nov 01 10:39:49 CST 2002
   Number of open connections: 48

 * entries: 100
 * globalRequestsPerHour: 4474.6667
 * localRequestsPerHour: 16047.071409467771

   Number of node references: 50
   Contacted node references: 49
   Backed off node references: 12
   Total Trials: 134888
   Total Successes: 99742

Information about Fred's environment.

   Available processors 1

   Maximum memory the JVM will allocate 128 MB
   Memory currently allocated by the JVM 33,176 KB
   Unused allocated memory 8,479,488 Bytes
   Memory in use 25,493,664 Bytes

   JVM Vendor Sun Microsystems Inc.
   JVM Name Java HotSpot(TM) Server VM
   JVM Version 1.4.0_02-b02

   Operating System Linux
   OS Version 2.2.20***

   Total size of the data store 20 GB
   Free space in the data store 18,260,564 KB
   Used space in the data store 2,710,956 KB

   Total pooled threads 148
   Available pooled threads 35
   Pooled threads in use 113


Oct 31, 2002 6:45:06 PM (freenet.support.io.Bandwidth, main): new
Bandwidth(1048576,0,RECEIVED)
Oct 31, 2002 6:45:06 PM (freenet.support.io.Bandwidth, main): new
Bandwidth(1048576,0,SENT)
Oct 31, 2002 6:45:07 PM (freenet.node.Main, main): loading node keys:
node_
Oct 31, 2002 6:45:07 PM (freenet.node.Main, main): starting filesystem
Oct 31, 2002 6:45:12 PM (freenet.node.Main, main): loading data store
Oct 31, 2002 6:45:12 PM (freenet.node.Main, main): loading routing table
Oct 31, 2002 6:45:18 PM (freenet.node.Main, main): loading temp bucket
factory
Oct 31, 2002 6:45:18 PM (freenet.node.Main, main): loaded temp bucket
factory
Oct 31, 2002 6:45:24 PM (freenet.node.Main, main): read seed nodes
Oct 31, 2002 6:45:24 PM (freenet.node.Main, main): Initial refs count: 1908
Oct 31, 2002 6:45:25 PM (freenet.node.Main, main): seeded routing table
Oct 31, 2002 6:45:25 PM (freenet.node.Main, main): saved routing table
Oct 31, 2002 6:45:25 PM (freenet.node.Main, main): starting node
Oct 31, 2002 6:45:25 PM (freenet.node.Main, main): loading service: mainport
Oct 31, 2002 6:45:26 PM (freenet.node.Main, main): loading service:
distribution
Oct 31, 2002 6:45:26 PM (freenet.node.Node, main): Starting ticker..
Oct 31, 2002 6:45:26 PM (freenet.node.Node, main): Starting interfaces..


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