Re: [freenet-support] routing table

2004-02-16 Thread Jim Dixon
[EMAIL PROTECTED] Mon Feb 16 14:05:35 2004 wrote in an attachment:

> > It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
> > top on a node that connects to only one other node, and sporadically at
> > that, I see that it is using 79 MB of memory.  The number doesn't appear
> > to grow -- there is no evidence of a memory leak -- but it starts out and
> > remains huge.
>
> As I have said on numerous occasions: RAM is cheap. Freedom or working
> software is not cheap, it's bloody expensive. 79MB is way under what
> most nodes use. We may be able to get perm node usage down to 80MB at
> some point, but it's not an immediate priority. Don't you think it would
> be nice to have a working network?

It would be.  Instead we have rivers of meaningless messages, memory hogs,
buggy code.  And lots of flippant remarks, of course.

--
Jim Dixon  [EMAIL PROTECTED]   tel +44 117 982 0786  mobile +44 797 373 7881
"Be liberal in what you accept,Jon Postel
and conservative in what you send."   RFC 793
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Re: [freenet-support] routing table

2004-02-16 Thread Toad
On Sun, Feb 15, 2004 at 10:37:16PM +, Jim Dixon wrote:
> On Sun, 15 Feb 2004, Niklas Bergh wrote:
> 
> > > It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
> > > top on a node that connects to only one other node, and sporadically at
> > > that, I see that it is using 79 MB of memory.  The number doesn't appear
> > > to grow -- there is no evidence of a memory leak -- but it starts out and
> > > remains huge.
> > >
> > > My single inactive node doesn't transmit any messages.  The only thing
> > > that could account for the 79 MB of memory used would seem to be
> > > routing information relating to the 98 nodes it knows about:
> >
> > Please help out. Fire up a memory profiler of your choice at your machine
> > and tell me what it is that occupies all that memory. When I do the same on
> > my machine the node wont use more than 10-15 megs of memory.
> 
> I don't understand.  Are you saying that if you run top it shows only
> 10-15 MB of RAM in use by Freenet?

No, he is saying that the memory profiler he uses slows the node down by
so much that the node doesn't use much RAM.
> 
> Looking at three different systems I see
> 
> Redhat 8.0Freenet build 506590 MB
> Redhat 7.1.2  Freenet build 5068   127 MB
> Linux ??  Freenet build 506578 MB
> 
> On the third system dmesg doesn't return anything; it's probably Redhat
> 8.0.
> 
> These are the SIZE figures; RSS is a couple of MB smaller and SHARE runs
> around 8 MB.
> 
> Suggest how I might get better definition and I will run it tomorrow.
> 
> --
> Jim Dixon  [EMAIL PROTECTED]   tel +44 117 982 0786  mobile +44 797 373 7881
> "Be liberal in what you accept,Jon Postel
> and conservative in what you send."   RFC 793
> http://jxcl.sourceforge.net   Java unit test coverage
> http://xlattice.sourceforge.net p2p communications infrastructure
> 
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Re: [freenet-support] routing table

2004-02-16 Thread Toad
On Sun, Feb 15, 2004 at 09:00:36PM +, Jim Dixon wrote:
> On Fri, 13 Feb 2004, Paul Derbyshire wrote:
> 
> > > Freeing up RAM is not related to routing table at all. Unfortunately,
> > > Freenet code contains a bug (a so called "memory leak") which takes
> > > memory from your OS, but then "forgets" about it, not using it and
> > > not returning it - so the amount of memory used by your node grows
> > > constantly, until you start getting Out Of Memory errors (or OOMs for
> > > short).
> >
> > How the hell is that even *possible*? It's written in a language with
> > garbage collecting memory management for chrissake, and the Java GC
> > *is* smart enough to collect circular object graphs that have become
> > unreachable by running threads.
> 
> What makes you think that?
> 
> >   Is it a VM bug or is it just creating
> > objects it theoretically could reach (thus they don't get GC'd), but
> > ignores forever?
> 
> This would be the case if in fact Freenet had a memory leak of the type
> described.  However, whenever someone tells you authoritatively that
> such a memory leak exists, you have to wonder why they don't fix it, if
> they are so certain about it.

"space leaks" probably do exist in the code somewhere.
> 
> I suspect that "Freeing up RAM is not related to routing table at all"
> is simply wrong.
> 
> It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
> top on a node that connects to only one other node, and sporadically at
> that, I see that it is using 79 MB of memory.  The number doesn't appear
> to grow -- there is no evidence of a memory leak -- but it starts out and
> remains huge.

As I have said on numerous occasions: RAM is cheap. Freedom or working
software is not cheap, it's bloody expensive. 79MB is way under what
most nodes use. We may be able to get perm node usage down to 80MB at
some point, but it's not an immediate priority. Don't you think it would
be nice to have a working network?
> 
> My single inactive node doesn't transmit any messages.  The only thing
> that could account for the 79 MB of memory used would seem to be
> routing information relating to the 98 nodes it knows about:

Uhmm, no. That's not the only thing that uses memory in fred. RTFS :)
> 
> --
> Routing Table status: Feb 15, 2004 12:58:00 PM
> 
> Number of node references 98
> Attempted to contact node references  98
> Contacted node references 24
> Connections with Successful Transfers  2
> Backed off nodes   0
> --
-- 
Matthew J Toseland - [EMAIL PROTECTED]
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ICTHUS - Nothing is impossible. Our Boss says so.


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Re: [freenet-support] routing table

2004-02-15 Thread Jim Dixon
On Sun, 15 Feb 2004, Niklas Bergh wrote:

> > It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
> > top on a node that connects to only one other node, and sporadically at
> > that, I see that it is using 79 MB of memory.  The number doesn't appear
> > to grow -- there is no evidence of a memory leak -- but it starts out and
> > remains huge.
> >
> > My single inactive node doesn't transmit any messages.  The only thing
> > that could account for the 79 MB of memory used would seem to be
> > routing information relating to the 98 nodes it knows about:
>
> Please help out. Fire up a memory profiler of your choice at your machine
> and tell me what it is that occupies all that memory. When I do the same on
> my machine the node wont use more than 10-15 megs of memory.

I don't understand.  Are you saying that if you run top it shows only
10-15 MB of RAM in use by Freenet?

Looking at three different systems I see

Redhat 8.0Freenet build 506590 MB
Redhat 7.1.2  Freenet build 5068   127 MB
Linux ??  Freenet build 506578 MB

On the third system dmesg doesn't return anything; it's probably Redhat
8.0.

These are the SIZE figures; RSS is a couple of MB smaller and SHARE runs
around 8 MB.

Suggest how I might get better definition and I will run it tomorrow.

--
Jim Dixon  [EMAIL PROTECTED]   tel +44 117 982 0786  mobile +44 797 373 7881
"Be liberal in what you accept,Jon Postel
and conservative in what you send."   RFC 793
http://jxcl.sourceforge.net   Java unit test coverage
http://xlattice.sourceforge.net p2p communications infrastructure

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Re: [freenet-support] routing table

2004-02-15 Thread Niklas Bergh
> It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
> top on a node that connects to only one other node, and sporadically at
> that, I see that it is using 79 MB of memory.  The number doesn't appear
> to grow -- there is no evidence of a memory leak -- but it starts out and
> remains huge.
>
> My single inactive node doesn't transmit any messages.  The only thing
> that could account for the 79 MB of memory used would seem to be
> routing information relating to the 98 nodes it knows about:

Please help out. Fire up a memory profiler of your choice at your machine
and tell me what it is that occupies all that memory. When I do the same on
my machine the node wont use more than 10-15 megs of memory.

/N

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Re: [freenet-support] routing table

2004-02-15 Thread Jim Dixon
On Fri, 13 Feb 2004, Paul Derbyshire wrote:

> > Freeing up RAM is not related to routing table at all. Unfortunately,
> > Freenet code contains a bug (a so called "memory leak") which takes
> > memory from your OS, but then "forgets" about it, not using it and
> > not returning it - so the amount of memory used by your node grows
> > constantly, until you start getting Out Of Memory errors (or OOMs for
> > short).
>
> How the hell is that even *possible*? It's written in a language with
> garbage collecting memory management for chrissake, and the Java GC
> *is* smart enough to collect circular object graphs that have become
> unreachable by running threads.

What makes you think that?

>   Is it a VM bug or is it just creating
> objects it theoretically could reach (thus they don't get GC'd), but
> ignores forever?

This would be the case if in fact Freenet had a memory leak of the type
described.  However, whenever someone tells you authoritatively that
such a memory leak exists, you have to wonder why they don't fix it, if
they are so certain about it.

I suspect that "Freeing up RAM is not related to routing table at all"
is simply wrong.

It is noticeable that Freenet uses a ridiculous amount of RAM.  If I run
top on a node that connects to only one other node, and sporadically at
that, I see that it is using 79 MB of memory.  The number doesn't appear
to grow -- there is no evidence of a memory leak -- but it starts out and
remains huge.

My single inactive node doesn't transmit any messages.  The only thing
that could account for the 79 MB of memory used would seem to be
routing information relating to the 98 nodes it knows about:

--
Routing Table status: Feb 15, 2004 12:58:00 PM

Number of node references 98
Attempted to contact node references  98
Contacted node references 24
Connections with Successful Transfers  2
Backed off nodes   0
--

--
Jim Dixon  [EMAIL PROTECTED]   tel +44 117 982 0786  mobile +44 797 373 7881
"Be liberal in what you accept,Jon Postel
and conservative in what you send."   RFC 793
http://jxcl.sourceforge.net   Java unit test coverage
http://xlattice.sourceforge.net p2p communications infrastructure


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Re: [freenet-support] routing table

2004-02-14 Thread Toad
On Sat, Feb 14, 2004 at 09:34:06AM +0100, Niklas Bergh wrote:
> > Is it a VM bug or is it just creating 
> > objects it theoretically could reach (thus they don't get GC'd), but 
> > ignores forever?
> 
> The second it what is defined as a 'memory leak' in GC'd environments.

Or a "space leak".
> 
> /N
-- 
Matthew J Toseland - [EMAIL PROTECTED]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.


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Re: [freenet-support] routing table

2004-02-14 Thread Niklas Bergh
> Is it a VM bug or is it just creating 
> objects it theoretically could reach (thus they don't get GC'd), but 
> ignores forever?

The second it what is defined as a 'memory leak' in GC'd environments.

/N
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Re: [freenet-support] routing table

2004-02-13 Thread Paul Derbyshire
On 13 Feb 2004 at 15:29, Victor Denisov wrote:

> Freeing up RAM is not related to routing table at all. Unfortunately, 
> Freenet code contains a bug (a so called "memory leak") which takes 
> memory from your OS, but then "forgets" about it, not using it and 
> not returning it - so the amount of memory used by your node grows 
> constantly, until you start getting Out Of Memory errors (or OOMs for 
> short).

How the hell is that even *possible*? It's written in a language with 
garbage collecting memory management for chrissake, and the Java GC 
*is* smart enough to collect circular object graphs that have become 
unreachable by running threads. Is it a VM bug or is it just creating 
objects it theoretically could reach (thus they don't get GC'd), but 
ignores forever?
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Re: [freenet-support] routing table

2004-02-13 Thread Victor Denisov
Title: Message



Freeing up RAM is not related to routing table at 
all. Unfortunately, Freenet code contains a bug (a so called "memory leak") 
which takes memory from your OS, but then "forgets" about it, not using it and 
not returning it - so the amount of memory used by your node grows constantly, 
until you start getting Out Of Memory errors (or OOMs for short).
 
So far, attempts by developers to catch this 
particular bug weren't successful. The only 
advice I can give is to restart a node once in a while (every 6 to 12 hours 
seems to be a good choice).
 
Regards,
Victor Denisov,CEO, Jera Systems, Moscow, 
Russia
- Original Message - 

  From: 
  Robert 
  Greenage 
  To: [EMAIL PROTECTED] 
  Sent: Friday, February 13, 2004 4:15 
  PM
  Subject: RE: [freenet-support] routing 
  table
  
  I want to free up RAM memory. I only have 192 mbs. I seem to run out of 
  it very fast.
   
  
  --- Robert Greenage
  --- [EMAIL PROTECTED]
  --- EarthLink: It's your Internet.
   
   
  
- Original Message - 
From: 
Niklas 
Bergh 
To: [EMAIL PROTECTED];[EMAIL PROTECTED]
Sent: 2/13/04 5:09:02 AM 
    Subject: RE: [freenet-support] routing 
table

The 
routingtable files are the rtnodes_* and rtprops_* files in your 
choosen freenet install folder. However.. these files occupies 
only a few kilobytes of your harddrive.
 
Is it HD 
space or RAM memory you want to free up?
 
/N

  
  -Original Message-From: 
  [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED] On Behalf Of Robert 
  GreenageSent: den 13 februari 2004 04:32To: 
  [EMAIL PROTECTED]; [EMAIL PROTECTED]Subject: 
  [freenet-support] routing table
  
  which folder in windows contains the routing table that needs to be 
  deleted in order to free up memory?
   
   
  --- Robert Greenage
  --- [EMAIL PROTECTED]
  --- EarthLink: It's your Internet.
   
  
  
  

  ___Support mailing 
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  at http://dodo.freenetproject.org/cgi-bin/mailman/listinfo/supportOr 
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RE: [freenet-support] routing table

2004-02-13 Thread Robert Greenage
Title: Message


I want to free up RAM memory. I only have 192 mbs. I seem to run out of it very fast.
 

--- Robert Greenage
--- [EMAIL PROTECTED]
--- EarthLink: It's your Internet.
 
 

- Original Message - 
From: Niklas Bergh 
To: [EMAIL PROTECTED];[EMAIL PROTECTED]
Sent: 2/13/04 5:09:02 AM 
Subject: RE: [freenet-support] routing table

The routingtable files are the rtnodes_* and rtprops_* files in your choosen freenet install folder. However.. these files occupies only a few kilobytes of your harddrive.
 
Is it HD space or RAM memory you want to free up?
 
/N


-Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert GreenageSent: den 13 februari 2004 04:32To: [EMAIL PROTECTED]; [EMAIL PROTECTED]Subject: [freenet-support] routing table

which folder in windows contains the routing table that needs to be deleted in order to free up memory?
 
 
--- Robert Greenage
--- [EMAIL PROTECTED]
--- EarthLink: It's your Internet.
 
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RE: [freenet-support] routing table

2004-02-13 Thread Niklas Bergh
Title: Message



The 
routingtable files are the rtnodes_* and rtprops_* files in your 
choosen freenet install folder. However.. these files occupies 
only a few kilobytes of your harddrive.
 
Is it HD 
space or RAM memory you want to free up?
 
/N

  
  -Original Message-From: 
  [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
  On Behalf Of Robert GreenageSent: den 13 februari 2004 
  04:32To: [EMAIL PROTECTED]; 
  [EMAIL PROTECTED]Subject: [freenet-support] routing 
  table
  
  which folder in windows contains the routing table that needs to be 
  deleted in order to free up memory?
   
   
  --- Robert Greenage
  --- [EMAIL PROTECTED]
  --- EarthLink: It's your Internet.
   
  
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Re: [freenet-support] Routing table status and transient nodes.

2002-12-20 Thread Matthew Toseland
On Sat, Nov 30, 2002 at 04:33:17PM +, Roger Hayter wrote:
> Can anyone explain to me the difference in success rates in contacting a 
> given set of nodes for a transient node from that achieved by a 
> permanent node?  I have a permanent node which has managed to contact a 
> group of seed nodes about 500 times after 13 trials.  The transient 
> node (running for a shorter time) with the same set of seed nodes has 
> managed to contact them about 400 times out of 600 trials.  Is there a 
> difference in the type of contact attempted, or the time the node waits 
> for a reply: or something?
The main difference is that a permanent node gets much more traffic, and
so is much more dynamic. The more permanent nodes we have, the less the
strain on the seednodes.

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Re: [freenet-support] "Routing table corrupt! Trying to reseed." throws EOFs

2002-12-20 Thread Matthew Toseland
On Sat, Nov 30, 2002 at 12:19:22AM +0100, [EMAIL PROTECTED] wrote:
> Build Number 624
> 
> >>
> 29.11.2002 23:37:58 (freenet.fs.dir.NativeFSDirectory$NWalk, main): Exhausted supply 
>of files29.11.2002 23:37:58 (freenet.fs.dir.NativeFSDirectory, main): 
> starting with D:\_freenet\store (8589934592)
> 29.11.2002 23:37:58 (freenet.fs.dir.NativeFSDirectory, main): get LRU keys
> 29.11.2002 23:37:58 (freenet.fs.dir.NativeFSDirectory, main): walk
> 29.11.2002 23:37:58 (freenet.node.Main, main): loading data store
> 29.11.2002 23:37:58 (freenet.fs.dir.NativeFSDirectory, main): get dirty
> 29.11.2002 23:37:58 (freenet.node.Main, main): loading routing table
> 29.11.2002 23:37:58 (freenet.config.Params, main): getOption(listenPort)
> 29.11.2002 23:37:58 (freenet.config.Params, main): getOption(listenPort)
> 29.11.2002 23:37:59 (freenet.node.Main, main): One of the routing table files was 
>corrupt.
> java.io.EOFException
>   at java.io.DataInputStream.readInt(DataInputStream.java:397)
>   at java.io.DataInputStream.readLong(DataInputStream.java:418)
>   at freenet.support.SimpleDataObjectStore.preload(SimpleDataObjectStore.java:62)
>   at freenet.support.SimpleDataObjectStore.(SimpleDataObjectStore.java:50)
>   at freenet.node.Main.main(Main.java:553)
> 29.11.2002 23:37:59 (freenet.node.Main, main): One of the routing table files was 
>corrupt.
> java.io.EOFException
>   at java.io.DataInputStream.readInt(DataInputStream.java:397)
>   at java.io.DataInputStream.readLong(DataInputStream.java:418)
>   at freenet.support.SimpleDataObjectStore.preload(SimpleDataObjectStore.java:62)
>   at freenet.support.SimpleDataObjectStore.(SimpleDataObjectStore.java:50)
>   at freenet.node.Main.main(Main.java:553)
It would seem that both your routing table files were chopped off. One
possibility is that the partition ran out of space..? How big are the
files in question?
> 29.11.2002 23:37:59 (freenet.node.Main, main): Routing table corrupt! Trying to 
>reseed.
> 29.11.2002 23:37:59 (freenet.node.Main, main): Unexpected Exception: 
>java.io.EOFException
> java.io.EOFException
>   at java.io.DataInputStream.readInt(DataInputStream.java:397)
>   at java.io.DataInputStream.readLong(DataInputStream.java:418)
>   at freenet.support.SimpleDataObjectStore.preload(SimpleDataObjectStore.java:62)
>   at freenet.support.SimpleDataObjectStore.(SimpleDataObjectStore.java:50)
>   at freenet.node.Main.main(Main.java:571)
> 
> java.io.EOFException
>   at java.io.DataInputStream.readInt(DataInputStream.java:397)
>   at java.io.DataInputStream.readLong(DataInputStream.java:418)
>   at freenet.support.SimpleDataObjectStore.preload(SimpleDataObjectStore.java:62)
>   at freenet.support.SimpleDataObjectStore.(SimpleDataObjectStore.java:50)
>   at freenet.node.Main.main(Main.java:571)
> [end of log]
> <<

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Re: [freenet-support] Routing table status and transient nodes.

2002-11-30 Thread Roger Hayter
In message <[EMAIL PROTECTED]>, Greg Wooledge 
<[EMAIL PROTECTED]> writes
Roger Hayter ([EMAIL PROTECTED]) wrote:


I have a permanent node which has managed to contact a
group of seed nodes about 500 times after 13 trials.


I would imagine something is wrong with your computer, firewall,
network, Java VM, freenet.conf, etc.  Here's what I've got on a
non-transient build-535 node with Sun Java 1.4.1_01 on Linux 2.4.18
after two weeks:

Number of node references: 49
Contacted node references: 46
Backed off node references: 3
Total Trials: 642128
Total Successes: 391024
Implementation: freenet.node.rt.CPAlgoRoutingTable

This is not to say that it's totally impossible you've found a Freenet
bug.  But I'd suspect a configuration error is more likely.



I am not thinking of it as a bug, more a result of prioritisation of 
activity.  While all the things you mention could be at fault, this 
behaviour has varied widely with build number (currently 627), I have 
changed nothing (well, apart from ...).  The only distinctive feature is 
that it is a very slow computer (P70).  I just wondered if anyone had 
any clues as to how I could give it more time to hear answers, by 
throttling some other activity for instance.

--
Roger Hayter

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Re: [freenet-support] Routing table status and transient nodes.

2002-11-30 Thread Greg Wooledge
Roger Hayter ([EMAIL PROTECTED]) wrote:

> I have a permanent node which has managed to contact a 
> group of seed nodes about 500 times after 13 trials.

I would imagine something is wrong with your computer, firewall,
network, Java VM, freenet.conf, etc.  Here's what I've got on a
non-transient build-535 node with Sun Java 1.4.1_01 on Linux 2.4.18
after two weeks:

Number of node references: 49
Contacted node references: 46
Backed off node references: 3
Total Trials: 642128
Total Successes: 391024
Implementation: freenet.node.rt.CPAlgoRoutingTable

This is not to say that it's totally impossible you've found a Freenet
bug.  But I'd suspect a configuration error is more likely.

-- 
Greg Wooledge  |   "Truth belongs to everybody."
[EMAIL PROTECTED]  |- The Red Hot Chili Peppers
http://wooledge.org/~greg/ |



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Re: [freenet-support] Routing Table Corrupt

2002-10-29 Thread Matthew Toseland
On Wed, Oct 30, 2002 at 10:07:59AM +1300, Wayne McDougall wrote:
> Greetings. This morning I found a message Routing Table corrupt. Remote RT files and 
>restart.
They are called rtnodes_ and rtprops_. The
corruption is usually caused by a JVM bug - which JVM are you using?
1.3.1?
> 
> I'm new - onyl been up 36 hours. I don't know where the RT files are or how to 
>remove them.
> 
> I've downloaded and installed 5.0.1 choosing to keep my settings. That didn't help.
> 
> I'd appreciate some advice.
> 
> Regards
> 
> Wayne
> 

-- 
Matthew Toseland
[EMAIL PROTECTED]
[EMAIL PROTECTED]
Freenet/Coldstore open source hacker.
Employed full time by Freenet Project Inc. from 11/9/02 to 11/11/02.
http://freenetproject.org/



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