Maybe you are right. I did see some suspicious RNFs earlier...

On Wed, Jul 28, 2004 at 11:15:40AM -0400, Edward J. Huff wrote:
> On Wed, 2004-07-28 at 08:42, Toad wrote:
> > Obviously my efforts are worthless. I should go get a job stacking
> > shelves.
> 
> Not at all.  I'm just pointing out the facts.  It's a lot harder to
> retrieve data from 5087 than from 5084, and the number of nodes running
> 5084 seems to be increasing.   Just now the number of 5087 also
> increased, or my node connected to more of them. Later the numbers
> decreased, because some nodes were dropped from the RT.
> 
> 5085 and later have much more accurate upstream bandwidth limiting.
> Also freenet.client.cli.Main seems to work better in 5085 and later.
> 
> Upon falling back, my local success ratio went from 0.3% to 10%.
> This is requesting splitfile blocks in random order from a large
> list of blocks (which have been reported inserted or successfully
> retrieved by others) with random htl ranging 0 to 20, with
> no immediate retries.  My 75 GiB datastore is not yet full...
> 
> There is something going on which causes lots of quick RNF's.  See
> attached logs of my request script (which uses freenet.client.cli.Main
> to issue requests).  The 5087 performance data came before the 5084
> data.  Build 5087 was getting large numbers of RNF's, even with only one
> request pending at a time.  5084 got a bunch of them just after restart,
> when there were only a few connections open, but after the node got
> connected, there have been almost none, and the number of pending
> requests maxed out at 40.
> 
> localRequestSuccessRatio:
> hour  1090994400      1262    3       0.002377179080824089
> hour  1090998000      1006    6       0.005964214711729622
> hour  1091001600      1183    1       8.453085376162299E-4
> hour  1091005200      1156    3       0.0025951557093425604
> fall back to 5084 -- fewer requests, more successes.
> hour  1091008800      471     20      0.04246284501061571
> hour  1091012400      579     17      0.02936096718480138
> hour  1091016000      480     25      0.052083333333333336
> hour  1091019600      784     79      0.10076530612244898
> 
> requestSuccessRatio:
> hour  1090998000      1944    20      0.0102880658436214
> hour  1091001600      2419    8       0.0033071517155849523
> hour  1091005200      2394    16      0.006683375104427736
> hour  1091008800      897     38      0.042363433667781496
> hour  1091012400      832     34      0.040865384615384616
> hour  1091016000      772     29      0.03756476683937824
> hour  1091019600      1786    114     0.06382978723404255
> hour  1091023200      1684    210     0.12470308788598575
> 
> # Histogram of node versions in fred's Routing table
> # Jul 28, 2004 9:55:04 AM
> # nodes: 1599
> Fred,0.5,STABLE-1.49,5063     1
> Fred,0.5,STABLE-1.50,5070     1
> Fred,0.5,STABLE-1.50,5083     1
> Fred,0.5,STABLE-1.50,5084     708
> Fred,0.5,STABLE-1.50,5085     165
> Fred,0.5,STABLE-1.50,5086     607
> Fred,0.5,STABLE-1.50,5087     115
> unknown                       1
> 
> # Histogram of node versions in fred's Routing table
> # Jul 28, 2004 10:44:39 AM
> # nodes: 1537
> Fred,0.5,STABLE-1.50,5083     2
> Fred,0.5,STABLE-1.50,5084     686
> Fred,0.5,STABLE-1.50,5085     156
> Fred,0.5,STABLE-1.50,5086     576
> Fred,0.5,STABLE-1.50,5087     117
> 
> All inbound requests ever received, from 201 unique hosts:
> 
> Receive       Accept  Acc/Rcv Succeed Suc/Acc Host Address    Version
> 
> Data by host version
> 
> 1199  1199    1.000   43      0.036   5087
> 1173  1173    1.000   18      0.015   5084
> 472   472     1.000   16      0.034   5086
> 119   119     1.000   1       0.008   5085
> 
> Connections open (Inbound/Outbound/Limit) 164 (111/53/800) 
> Transfers active (Transmitting/Receiving) 89 (45/44) 
> Amount of data transmitted/received over currently open connections 162 MiB/118 MiB 
> Total amount of data transmitted/received 231 MiB/149 MiB 
> Uptime 5 hours 43 minutes
> Current upstream bandwidth usage 13865 bytes/second (138.6%)
> 
> > 
> > On Wed, Jul 28, 2004 at 08:32:12AM -0400, Edward J. Huff wrote:
> > > On Wed, 2004-07-28 at 06:06, Jano wrote:
> > > > Solved it changing the -Xmx128m to -Xmx256m.
> > > > 
> > > > I suppose this can be a general problem, I'm running stable without any 
> > > > tweaks since a month or so.
> > > > 
> > > > In the good side, two minutes running and I can see all the activelinks, 
> > > > where the previous build failed after many hours :)
> > > > 
> > > 
> > > I upgraded promptly to 5085, 5086, and 5087.  All used more CPU time,
> > > but eventually would finish.  Stackdump showed lots of biginteger stuff
> > > while compute-bound.  Inserts were better than 5084, but retrieval much
> > > worse.  RNF occurred in around 10 to 50% of all requests.  (Each request
> > > was for a unique key).  Requesting peers-mode ocm seemed to trigger a
> > > lot of CPU usage.
> > > 
> > > Switching back to 5084, I get much better performance on requests, with
> > > very few RNF's.  Even fewer than I used to get, probably due to load
> > > factors.  It appears that many stable nodes are switching back to 5084,
> > > since I seem to recall that a day or two ago there were relatively few
> > > 5084 nodes.  (I didn't save the histogram then).
> > > 
> > > # Histogram of node versions in fred's Routing table
> > > # Jul 28, 2004 8:25:46 AM
> > > # nodes: 1556
> > > Fred,0.5,STABLE-1.49,5063 1
> > > Fred,0.5,STABLE-1.50,5070 1
> > > Fred,0.5,STABLE-1.50,5083 1
> > > Fred,0.5,STABLE-1.50,5084 692
> > > Fred,0.5,STABLE-1.50,5085 164
> > > Fred,0.5,STABLE-1.50,5086 615
> > > Fred,0.5,STABLE-1.50,5087 81
> > > unknown                   1
> 






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-- 
Matthew J Toseland - [EMAIL PROTECTED]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.

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