image unable to start correctly...space problem?

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image unable to start correctly...space problem?

ching
Hi Seaside,

This problem has been bedeviling me for a long time now. I could not
properly start my image after I got a message, "Space is low". When I
checked, Squeak.exe process was reported to be 800,000 MB and I had
2GB of memory. Several other processes were competing with the 2GB
memory.

I proceeded to try to solve this by adding more memory. Now, I have 4
GB of physical memory and my app started fine. When I proceeded to add
more methods and tried to save, I lost my app in that it stopped and
would not start again. Can anyone tell me what is going on here? my
image is a little over 800 MB and my memory manager reports available
memory in excess of 2GB

Thanks for the help,

Ching
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Re: image unable to start correctly...space problem?

Lukas Renggli
Look like you have a memory leak somewhere.

- The most likely thing is, that you have a background process in an
infinite recursion and it is slowly eating up all your memory. Go to
the process browser and terminate all processes that Squeak allows you
to kill.

- You also have to make sure that you don't reference unwanted object
from global variables.

- If this does not result to solution you might want to generate an
overview what objects eat up your space using "SpaceTally new
printSpaceAnalysis".

Cheers,
Lukas

--
Lukas Renggli
http://www.lukas-renggli.ch
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Re: image unable to start correctly...space problem?

ching
Thanks, Lukas. I will try your suggestions.

Ching

On Nov 18, 2007 3:46 PM, Lukas Renggli <[hidden email]> wrote:

> Look like you have a memory leak somewhere.
>
> - The most likely thing is, that you have a background process in an
> infinite recursion and it is slowly eating up all your memory. Go to
> the process browser and terminate all processes that Squeak allows you
> to kill.
>
> - You also have to make sure that you don't reference unwanted object
> from global variables.
>
> - If this does not result to solution you might want to generate an
> overview what objects eat up your space using "SpaceTally new
> printSpaceAnalysis".
>
> Cheers,
> Lukas
>
> --
> Lukas Renggli
> http://www.lukas-renggli.ch
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

Philippe Marschall
In reply to this post by ching
2007/11/18, Ching de la Serna <[hidden email]>:

> Hi Seaside,
>
> This problem has been bedeviling me for a long time now. I could not
> properly start my image after I got a message, "Space is low". When I
> checked, Squeak.exe process was reported to be 800,000 MB and I had
> 2GB of memory. Several other processes were competing with the 2GB
> memory.
>
> I proceeded to try to solve this by adding more memory. Now, I have 4
> GB of physical memory and my app started fine. When I proceeded to add
> more methods and tried to save, I lost my app in that it stopped and
> would not start again. Can anyone tell me what is going on here? my
> image is a little over 800 MB and my memory manager reports available
> memory in excess of 2GB

There is a difference between physical and virtual memory. Using
Squeak images of this size is unknown territory. You'll have to use a
recent VW and are very likely to spend a considerable amount of time
on garbage collection.

Cheers
Philippe

> Thanks for the help,
>
> Ching
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

ching
In reply to this post by ching
Hi Lukas,

I opened a process browser as you suggested. However, I could not find
any means to kill any process. I use a 2-button mouse where
right-click brings up a menu without a means to kill a process. Help?

Thanks,
Ching

On Nov 18, 2007 4:52 PM, Ching de la Serna <[hidden email]> wrote:

> Thanks, Lukas. I will try your suggestions.
>
> Ching
>
>
> On Nov 18, 2007 3:46 PM, Lukas Renggli <[hidden email]> wrote:
> > Look like you have a memory leak somewhere.
> >
> > - The most likely thing is, that you have a background process in an
> > infinite recursion and it is slowly eating up all your memory. Go to
> > the process browser and terminate all processes that Squeak allows you
> > to kill.
> >
> > - You also have to make sure that you don't reference unwanted object
> > from global variables.
> >
> > - If this does not result to solution you might want to generate an
> > overview what objects eat up your space using "SpaceTally new
> > printSpaceAnalysis".
> >
> > Cheers,
> > Lukas
> >
> > --
> > Lukas Renggli
> > http://www.lukas-renggli.ch
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
>
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Re: image unable to start correctly...space problem?

ching
In reply to this post by Philippe Marschall
Hi Philippe,

I am using Squeak (I presume when you mentioned VW you meant Visual
Works?) I have 4GB of physical memory

Thanks,

Ching

On Nov 18, 2007 6:01 PM, Philippe Marschall
<[hidden email]> wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
>
> > Hi Seaside,
> >
> > This problem has been bedeviling me for a long time now. I could not
> > properly start my image after I got a message, "Space is low". When I
> > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > 2GB of memory. Several other processes were competing with the 2GB
> > memory.
> >
> > I proceeded to try to solve this by adding more memory. Now, I have 4
> > GB of physical memory and my app started fine. When I proceeded to add
> > more methods and tried to save, I lost my app in that it stopped and
> > would not start again. Can anyone tell me what is going on here? my
> > image is a little over 800 MB and my memory manager reports available
> > memory in excess of 2GB
>
> There is a difference between physical and virtual memory. Using
> Squeak images of this size is unknown territory. You'll have to use a
> recent VW and are very likely to spend a considerable amount of time
> on garbage collection.
>
> Cheers
> Philippe
>
> > Thanks for the help,
> >
> > Ching
>
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

Philippe Marschall
2007/11/18, Ching de la Serna <[hidden email]>:
> Hi Philippe,
>
> I am using Squeak (I presume when you mentioned VW you meant Visual
> Works?) I have 4GB of physical memory

No I meant VM. You a single process on a 32bit OS will never have 4 GB
of virtual memory. In general you are limited to 2 GB of virtual
memory unless you play special tricks. This is completely independend
of your physical memory size

Cheers
Philippe

> Thanks,
>
> Ching
>
> On Nov 18, 2007 6:01 PM, Philippe Marschall
> <[hidden email]> wrote:
> > 2007/11/18, Ching de la Serna <[hidden email]>:
> >
> > > Hi Seaside,
> > >
> > > This problem has been bedeviling me for a long time now. I could not
> > > properly start my image after I got a message, "Space is low". When I
> > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > 2GB of memory. Several other processes were competing with the 2GB
> > > memory.
> > >
> > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > GB of physical memory and my app started fine. When I proceeded to add
> > > more methods and tried to save, I lost my app in that it stopped and
> > > would not start again. Can anyone tell me what is going on here? my
> > > image is a little over 800 MB and my memory manager reports available
> > > memory in excess of 2GB
> >
> > There is a difference between physical and virtual memory. Using
> > Squeak images of this size is unknown territory. You'll have to use a
> > recent VW and are very likely to spend a considerable amount of time
> > on garbage collection.
> >
> > Cheers
> > Philippe
> >
> > > Thanks for the help,
> > >
> > > Ching
> >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

ching
I see. Do you think I have a memory leak somewhere? Lukas has
suggested killing processes one by one at the process browser. How do
I do this? It does seem unusual that the OS should report 800 MB or
memory being used by the app.

On Nov 18, 2007 6:15 PM, Philippe Marschall
<[hidden email]> wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
> > Hi Philippe,
> >
> > I am using Squeak (I presume when you mentioned VW you meant Visual
> > Works?) I have 4GB of physical memory
>
> No I meant VM. You a single process on a 32bit OS will never have 4 GB
> of virtual memory. In general you are limited to 2 GB of virtual
> memory unless you play special tricks. This is completely independend
> of your physical memory size
>
> Cheers
> Philippe
>
>
> > Thanks,
> >
> > Ching
> >
> > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > <[hidden email]> wrote:
> > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > >
> > > > Hi Seaside,
> > > >
> > > > This problem has been bedeviling me for a long time now. I could not
> > > > properly start my image after I got a message, "Space is low". When I
> > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > memory.
> > > >
> > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > more methods and tried to save, I lost my app in that it stopped and
> > > > would not start again. Can anyone tell me what is going on here? my
> > > > image is a little over 800 MB and my memory manager reports available
> > > > memory in excess of 2GB
> > >
> > > There is a difference between physical and virtual memory. Using
> > > Squeak images of this size is unknown territory. You'll have to use a
> > > recent VW and are very likely to spend a considerable amount of time
> > > on garbage collection.
> > >
> > > Cheers
> > > Philippe
> > >
> > > > Thanks for the help,
> > > >
> > > > Ching
> > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

johnmci
In reply to this post by Philippe Marschall
Ok, let me clarify a few things, no one mentions the operating system,  
although I guess it's Windows based on mention of squeak.exe

(a) most 32bit operating systems won't let you allocate a chunk of  
memory > 2 GB
(b) some 32bit operating systems won't let you allocate a chunk of  
memory > 1.5 GB
(c) Until just recently allocating > 2GB of memory for a Squeak image  
would cause the VM to fail.

(c) The Squeak VM (all platforms) come with a upper limit on how big  
the image can grow, what that limit is
is dependent on which VM and which version.  Some VMs will let you set  
the upper limit when you start the VM
  http://wiki.squeak.org/squeak/105

Someone will need to check but it looks like the windows VM is built  
with a max of 512MB for the image memory
sqWin32Alloc.h

/*
    Limit the default size for virtual memory to 512MB to avoid nasty
    spurious problems when large dynamic libraries are loaded later.
    Applications needing more virtual memory can increase the size by
    defining it appropriately - here we try to cater for the common
    case by using a "reasonable" size that will leave enough space for
    other libraries.
*/
#ifndef MAX_VIRTUAL_MEMORY
#define MAX_VIRTUAL_MEMORY 512*1024*1024
#endif


Solutions to very large squeak images are:

(a) Run a 64 squeak Vm with 32bit Image, that should allow a 4GB  
squeak image.
(b) Ensure you have all the 32bit VM patchs so you can actually access  
 > 2GB
(c) The GC logic and how it is tuned is not designed for multi-GB  
image. See
http://www.esug.org/data/ESUG2006/pres/gctalkjohnmacintosh.pdf
(d) Ensure the memory upper bound set is sufficient for your needs.

On Nov 18, 2007, at 2:15 AM, Philippe Marschall wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
>> Hi Philippe,
>>
>> I am using Squeak (I presume when you mentioned VW you meant Visual
>> Works?) I have 4GB of physical memory
>
> No I meant VM. You a single process on a 32bit OS will never have 4 GB
> of virtual memory. In general you are limited to 2 GB of virtual
> memory unless you play special tricks. This is completely independend
> of your physical memory size
>
> Cheers
> Philippe
>
>> Thanks,
>>
>> Ching
>>
>> On Nov 18, 2007 6:01 PM, Philippe Marschall
>> <[hidden email]> wrote:
>>> 2007/11/18, Ching de la Serna <[hidden email]>:
>>>
>>>> Hi Seaside,
>>>>
>>>> This problem has been bedeviling me for a long time now. I could  
>>>> not
>>>> properly start my image after I got a message, "Space is low".  
>>>> When I
>>>> checked, Squeak.exe process was reported to be 800,000 MB and I had
>>>> 2GB of memory. Several other processes were competing with the 2GB
>>>> memory.
>>>>
>>>> I proceeded to try to solve this by adding more memory. Now, I  
>>>> have 4
>>>> GB of physical memory and my app started fine. When I proceeded  
>>>> to add
>>>> more methods and tried to save, I lost my app in that it stopped  
>>>> and
>>>> would not start again. Can anyone tell me what is going on here? my
>>>> image is a little over 800 MB and my memory manager reports  
>>>> available
>>>> memory in excess of 2GB
>>>
>>> There is a difference between physical and virtual memory. Using
>>> Squeak images of this size is unknown territory. You'll have to  
>>> use a
>>> recent VW and are very likely to spend a considerable amount of time
>>> on garbage collection.
>>>
>>> Cheers
>>> Philippe
>>>
>>>> Thanks for the help,
>>>>
>>>> Ching
>>>

--
=
=
=
========================================================================
John M. McIntosh <[hidden email]>
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
=
=
=
========================================================================


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Re: image unable to start correctly...space problem?

Philippe Marschall
In reply to this post by ching
2007/11/18, Ching de la Serna <[hidden email]>:
> I see. Do you think I have a memory leak somewhere?

Yes, definitely.

> Lukas has
> suggested killing processes one by one at the process browser.

Among other things. I'm not convinced killing process fixes you problem.

> How do
> I do this?

- open the process brower
- select a process
- right click
- terminate

note that you can not kill some vital processes

> It does seem unusual that the OS should report 800 MB or
> memory being used by the app.

It's not the OS, it's Squeak.

Cheers
Philippe

> On Nov 18, 2007 6:15 PM, Philippe Marschall
> <[hidden email]> wrote:
> > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > Hi Philippe,
> > >
> > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > Works?) I have 4GB of physical memory
> >
> > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > of virtual memory. In general you are limited to 2 GB of virtual
> > memory unless you play special tricks. This is completely independend
> > of your physical memory size
> >
> > Cheers
> > Philippe
> >
> >
> > > Thanks,
> > >
> > > Ching
> > >
> > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > <[hidden email]> wrote:
> > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > >
> > > > > Hi Seaside,
> > > > >
> > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > properly start my image after I got a message, "Space is low". When I
> > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > memory.
> > > > >
> > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > image is a little over 800 MB and my memory manager reports available
> > > > > memory in excess of 2GB
> > > >
> > > > There is a difference between physical and virtual memory. Using
> > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > recent VW and are very likely to spend a considerable amount of time
> > > > on garbage collection.
> > > >
> > > > Cheers
> > > > Philippe
> > > >
> > > > > Thanks for the help,
> > > > >
> > > > > Ching
> > > >
> > > > > _______________________________________________
> > > > > seaside mailing list
> > > > > [hidden email]
> > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

ching
In reply to this post by johnmci
Hi John,

Thanks for your input. You are right in surmising that the OS is
Windows. You have pointed out some very deep insights on memory
allocation.  I do not have the necessary expertise to go deeper into
this problem. I think the reported memory use of 800 MB is somehow
suspicious. I must be doing something wrong here to get these kinds of
numbers.

Thanks,

Ching

On Nov 18, 2007 6:38 PM, John M McIntosh
<[hidden email]> wrote:

> Ok, let me clarify a few things, no one mentions the operating system,
> although I guess it's Windows based on mention of squeak.exe
>
> (a) most 32bit operating systems won't let you allocate a chunk of
> memory > 2 GB
> (b) some 32bit operating systems won't let you allocate a chunk of
> memory > 1.5 GB
> (c) Until just recently allocating > 2GB of memory for a Squeak image
> would cause the VM to fail.
>
> (c) The Squeak VM (all platforms) come with a upper limit on how big
> the image can grow, what that limit is
> is dependent on which VM and which version.  Some VMs will let you set
> the upper limit when you start the VM
>   http://wiki.squeak.org/squeak/105
>
> Someone will need to check but it looks like the windows VM is built
> with a max of 512MB for the image memory
> sqWin32Alloc.h
>
> /*
>     Limit the default size for virtual memory to 512MB to avoid nasty
>     spurious problems when large dynamic libraries are loaded later.
>     Applications needing more virtual memory can increase the size by
>     defining it appropriately - here we try to cater for the common
>     case by using a "reasonable" size that will leave enough space for
>     other libraries.
> */
> #ifndef MAX_VIRTUAL_MEMORY
> #define MAX_VIRTUAL_MEMORY 512*1024*1024
> #endif
>
>
> Solutions to very large squeak images are:
>
> (a) Run a 64 squeak Vm with 32bit Image, that should allow a 4GB
> squeak image.
> (b) Ensure you have all the 32bit VM patchs so you can actually access
>  > 2GB
> (c) The GC logic and how it is tuned is not designed for multi-GB
> image. See
> http://www.esug.org/data/ESUG2006/pres/gctalkjohnmacintosh.pdf
> (d) Ensure the memory upper bound set is sufficient for your needs.
>
>
> On Nov 18, 2007, at 2:15 AM, Philippe Marschall wrote:
>
> > 2007/11/18, Ching de la Serna <[hidden email]>:
> >> Hi Philippe,
> >>
> >> I am using Squeak (I presume when you mentioned VW you meant Visual
> >> Works?) I have 4GB of physical memory
> >
> > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > of virtual memory. In general you are limited to 2 GB of virtual
> > memory unless you play special tricks. This is completely independend
> > of your physical memory size
> >
> > Cheers
> > Philippe
> >
> >> Thanks,
> >>
> >> Ching
> >>
> >> On Nov 18, 2007 6:01 PM, Philippe Marschall
> >> <[hidden email]> wrote:
> >>> 2007/11/18, Ching de la Serna <[hidden email]>:
> >>>
> >>>> Hi Seaside,
> >>>>
> >>>> This problem has been bedeviling me for a long time now. I could
> >>>> not
> >>>> properly start my image after I got a message, "Space is low".
> >>>> When I
> >>>> checked, Squeak.exe process was reported to be 800,000 MB and I had
> >>>> 2GB of memory. Several other processes were competing with the 2GB
> >>>> memory.
> >>>>
> >>>> I proceeded to try to solve this by adding more memory. Now, I
> >>>> have 4
> >>>> GB of physical memory and my app started fine. When I proceeded
> >>>> to add
> >>>> more methods and tried to save, I lost my app in that it stopped
> >>>> and
> >>>> would not start again. Can anyone tell me what is going on here? my
> >>>> image is a little over 800 MB and my memory manager reports
> >>>> available
> >>>> memory in excess of 2GB
> >>>
> >>> There is a difference between physical and virtual memory. Using
> >>> Squeak images of this size is unknown territory. You'll have to
> >>> use a
> >>> recent VW and are very likely to spend a considerable amount of time
> >>> on garbage collection.
> >>>
> >>> Cheers
> >>> Philippe
> >>>
> >>>> Thanks for the help,
> >>>>
> >>>> Ching
> >>>
>
> --
> =
> =
> =
> ========================================================================
> John M. McIntosh <[hidden email]>
> Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
> =
> =
> =
> ========================================================================
>
>
>
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
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Re: image unable to start correctly...space problem?

ching
In reply to this post by Philippe Marschall
Hi Philippe,

I have a process browser open. Selecting a process, I right click and I get
  inspect
  explore
  find again..
I cannot find a terminate option

Ching

On Nov 18, 2007 6:43 PM, Philippe Marschall
<[hidden email]> wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
> > I see. Do you think I have a memory leak somewhere?
>
> Yes, definitely.
>
> > Lukas has
> > suggested killing processes one by one at the process browser.
>
> Among other things. I'm not convinced killing process fixes you problem.
>
> > How do
> > I do this?
>
> - open the process brower
> - select a process
> - right click
> - terminate
>
> note that you can not kill some vital processes
>
> > It does seem unusual that the OS should report 800 MB or
> > memory being used by the app.
>
> It's not the OS, it's Squeak.
>
> Cheers
> Philippe
>
>
> > On Nov 18, 2007 6:15 PM, Philippe Marschall
> > <[hidden email]> wrote:
> > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > Hi Philippe,
> > > >
> > > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > > Works?) I have 4GB of physical memory
> > >
> > > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > > of virtual memory. In general you are limited to 2 GB of virtual
> > > memory unless you play special tricks. This is completely independend
> > > of your physical memory size
> > >
> > > Cheers
> > > Philippe
> > >
> > >
> > > > Thanks,
> > > >
> > > > Ching
> > > >
> > > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > > <[hidden email]> wrote:
> > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > >
> > > > > > Hi Seaside,
> > > > > >
> > > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > > properly start my image after I got a message, "Space is low". When I
> > > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > > memory.
> > > > > >
> > > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > > image is a little over 800 MB and my memory manager reports available
> > > > > > memory in excess of 2GB
> > > > >
> > > > > There is a difference between physical and virtual memory. Using
> > > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > > recent VW and are very likely to spend a considerable amount of time
> > > > > on garbage collection.
> > > > >
> > > > > Cheers
> > > > > Philippe
> > > > >
> > > > > > Thanks for the help,
> > > > > >
> > > > > > Ching
> > > > >
> > > > > > _______________________________________________
> > > > > > seaside mailing list
> > > > > > [hidden email]
> > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > >
> > > > > _______________________________________________
> > > > > seaside mailing list
> > > > > [hidden email]
> > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
_______________________________________________
seaside mailing list
[hidden email]
http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
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Re: image unable to start correctly...space problem?

Philippe Marschall
2007/11/18, Ching de la Serna <[hidden email]>:
> Hi Philippe,
>
> I have a process browser open. Selecting a process, I right click and I get
>   inspect
>   explore
>   find again..
> I cannot find a terminate option

As I said, you can not terminate some vital processes. Select a
non-vital process.

Cheers
Philippe

> Ching
>
> On Nov 18, 2007 6:43 PM, Philippe Marschall
> <[hidden email]> wrote:
> > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > I see. Do you think I have a memory leak somewhere?
> >
> > Yes, definitely.
> >
> > > Lukas has
> > > suggested killing processes one by one at the process browser.
> >
> > Among other things. I'm not convinced killing process fixes you problem.
> >
> > > How do
> > > I do this?
> >
> > - open the process brower
> > - select a process
> > - right click
> > - terminate
> >
> > note that you can not kill some vital processes
> >
> > > It does seem unusual that the OS should report 800 MB or
> > > memory being used by the app.
> >
> > It's not the OS, it's Squeak.
> >
> > Cheers
> > Philippe
> >
> >
> > > On Nov 18, 2007 6:15 PM, Philippe Marschall
> > > <[hidden email]> wrote:
> > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > Hi Philippe,
> > > > >
> > > > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > > > Works?) I have 4GB of physical memory
> > > >
> > > > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > > > of virtual memory. In general you are limited to 2 GB of virtual
> > > > memory unless you play special tricks. This is completely independend
> > > > of your physical memory size
> > > >
> > > > Cheers
> > > > Philippe
> > > >
> > > >
> > > > > Thanks,
> > > > >
> > > > > Ching
> > > > >
> > > > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > > > <[hidden email]> wrote:
> > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > >
> > > > > > > Hi Seaside,
> > > > > > >
> > > > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > > > properly start my image after I got a message, "Space is low". When I
> > > > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > > > memory.
> > > > > > >
> > > > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > > > image is a little over 800 MB and my memory manager reports available
> > > > > > > memory in excess of 2GB
> > > > > >
> > > > > > There is a difference between physical and virtual memory. Using
> > > > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > > > recent VW and are very likely to spend a considerable amount of time
> > > > > > on garbage collection.
> > > > > >
> > > > > > Cheers
> > > > > > Philippe
> > > > > >
> > > > > > > Thanks for the help,
> > > > > > >
> > > > > > > Ching
> > > > > >
> > > > > > > _______________________________________________
> > > > > > > seaside mailing list
> > > > > > > [hidden email]
> > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > >
> > > > > > _______________________________________________
> > > > > > seaside mailing list
> > > > > > [hidden email]
> > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > >
> > > > > _______________________________________________
> > > > > seaside mailing list
> > > > > [hidden email]
> > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
_______________________________________________
seaside mailing list
[hidden email]
http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
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Re: image unable to start correctly...space problem?

ching
Thanks Philippe,

It seems to me I only have vital processes running at this point.
Funny thing is, memory use is down to 235 MB and I have started to run
the Seaside app from localhost.

Ching

On Nov 18, 2007 7:00 PM, Philippe Marschall
<[hidden email]> wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
> > Hi Philippe,
> >
> > I have a process browser open. Selecting a process, I right click and I get
> >   inspect
> >   explore
> >   find again..
> > I cannot find a terminate option
>
> As I said, you can not terminate some vital processes. Select a
> non-vital process.
>
> Cheers
> Philippe
>
>
> > Ching
> >
> > On Nov 18, 2007 6:43 PM, Philippe Marschall
> > <[hidden email]> wrote:
> > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > I see. Do you think I have a memory leak somewhere?
> > >
> > > Yes, definitely.
> > >
> > > > Lukas has
> > > > suggested killing processes one by one at the process browser.
> > >
> > > Among other things. I'm not convinced killing process fixes you problem.
> > >
> > > > How do
> > > > I do this?
> > >
> > > - open the process brower
> > > - select a process
> > > - right click
> > > - terminate
> > >
> > > note that you can not kill some vital processes
> > >
> > > > It does seem unusual that the OS should report 800 MB or
> > > > memory being used by the app.
> > >
> > > It's not the OS, it's Squeak.
> > >
> > > Cheers
> > > Philippe
> > >
> > >
> > > > On Nov 18, 2007 6:15 PM, Philippe Marschall
> > > > <[hidden email]> wrote:
> > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > Hi Philippe,
> > > > > >
> > > > > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > > > > Works?) I have 4GB of physical memory
> > > > >
> > > > > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > > > > of virtual memory. In general you are limited to 2 GB of virtual
> > > > > memory unless you play special tricks. This is completely independend
> > > > > of your physical memory size
> > > > >
> > > > > Cheers
> > > > > Philippe
> > > > >
> > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Ching
> > > > > >
> > > > > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > > > > <[hidden email]> wrote:
> > > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > >
> > > > > > > > Hi Seaside,
> > > > > > > >
> > > > > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > > > > properly start my image after I got a message, "Space is low". When I
> > > > > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > > > > memory.
> > > > > > > >
> > > > > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > > > > image is a little over 800 MB and my memory manager reports available
> > > > > > > > memory in excess of 2GB
> > > > > > >
> > > > > > > There is a difference between physical and virtual memory. Using
> > > > > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > > > > recent VW and are very likely to spend a considerable amount of time
> > > > > > > on garbage collection.
> > > > > > >
> > > > > > > Cheers
> > > > > > > Philippe
> > > > > > >
> > > > > > > > Thanks for the help,
> > > > > > > >
> > > > > > > > Ching
> > > > > > >
> > > > > > > > _______________________________________________
> > > > > > > > seaside mailing list
> > > > > > > > [hidden email]
> > > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > > >
> > > > > > > _______________________________________________
> > > > > > > seaside mailing list
> > > > > > > [hidden email]
> > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > >
> > > > > > _______________________________________________
> > > > > > seaside mailing list
> > > > > > [hidden email]
> > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > >
> > > > > _______________________________________________
> > > > > seaside mailing list
> > > > > [hidden email]
> > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
_______________________________________________
seaside mailing list
[hidden email]
http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
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Re: image unable to start correctly...space problem?

Philippe Marschall
2007/11/18, Ching de la Serna <[hidden email]>:
> Thanks Philippe,
>
> It seems to me I only have vital processes running at this point.

That would make 8 process and may an additional 9th Seaside process
that you should be able to kill. Can you post a list of your
processes?

Cheers
Philippe

> Funny thing is, memory use is down to 235 MB and I have started to run
> the Seaside app from localhost.
>
> Ching
>
> On Nov 18, 2007 7:00 PM, Philippe Marschall
> <[hidden email]> wrote:
> > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > Hi Philippe,
> > >
> > > I have a process browser open. Selecting a process, I right click and I get
> > >   inspect
> > >   explore
> > >   find again..
> > > I cannot find a terminate option
> >
> > As I said, you can not terminate some vital processes. Select a
> > non-vital process.
> >
> > Cheers
> > Philippe
> >
> >
> > > Ching
> > >
> > > On Nov 18, 2007 6:43 PM, Philippe Marschall
> > > <[hidden email]> wrote:
> > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > I see. Do you think I have a memory leak somewhere?
> > > >
> > > > Yes, definitely.
> > > >
> > > > > Lukas has
> > > > > suggested killing processes one by one at the process browser.
> > > >
> > > > Among other things. I'm not convinced killing process fixes you problem.
> > > >
> > > > > How do
> > > > > I do this?
> > > >
> > > > - open the process brower
> > > > - select a process
> > > > - right click
> > > > - terminate
> > > >
> > > > note that you can not kill some vital processes
> > > >
> > > > > It does seem unusual that the OS should report 800 MB or
> > > > > memory being used by the app.
> > > >
> > > > It's not the OS, it's Squeak.
> > > >
> > > > Cheers
> > > > Philippe
> > > >
> > > >
> > > > > On Nov 18, 2007 6:15 PM, Philippe Marschall
> > > > > <[hidden email]> wrote:
> > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > > Hi Philippe,
> > > > > > >
> > > > > > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > > > > > Works?) I have 4GB of physical memory
> > > > > >
> > > > > > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > > > > > of virtual memory. In general you are limited to 2 GB of virtual
> > > > > > memory unless you play special tricks. This is completely independend
> > > > > > of your physical memory size
> > > > > >
> > > > > > Cheers
> > > > > > Philippe
> > > > > >
> > > > > >
> > > > > > > Thanks,
> > > > > > >
> > > > > > > Ching
> > > > > > >
> > > > > > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > > > > > <[hidden email]> wrote:
> > > > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > > >
> > > > > > > > > Hi Seaside,
> > > > > > > > >
> > > > > > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > > > > > properly start my image after I got a message, "Space is low". When I
> > > > > > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > > > > > memory.
> > > > > > > > >
> > > > > > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > > > > > image is a little over 800 MB and my memory manager reports available
> > > > > > > > > memory in excess of 2GB
> > > > > > > >
> > > > > > > > There is a difference between physical and virtual memory. Using
> > > > > > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > > > > > recent VW and are very likely to spend a considerable amount of time
> > > > > > > > on garbage collection.
> > > > > > > >
> > > > > > > > Cheers
> > > > > > > > Philippe
> > > > > > > >
> > > > > > > > > Thanks for the help,
> > > > > > > > >
> > > > > > > > > Ching
> > > > > > > >
> > > > > > > > > _______________________________________________
> > > > > > > > > seaside mailing list
> > > > > > > > > [hidden email]
> > > > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > > > >
> > > > > > > > _______________________________________________
> > > > > > > > seaside mailing list
> > > > > > > > [hidden email]
> > > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > > >
> > > > > > > _______________________________________________
> > > > > > > seaside mailing list
> > > > > > > [hidden email]
> > > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > > >
> > > > > > _______________________________________________
> > > > > > seaside mailing list
> > > > > > [hidden email]
> > > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > > >
> > > > > _______________________________________________
> > > > > seaside mailing list
> > > > > [hidden email]
> > > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > > >
> > > > _______________________________________________
> > > > seaside mailing list
> > > > [hidden email]
> > > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > > >
> > > _______________________________________________
> > > seaside mailing list
> > > [hidden email]
> > > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> > >
> > _______________________________________________
> > seaside mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
_______________________________________________
seaside mailing list
[hidden email]
http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
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Re: image unable to start correctly...space problem?

ching
Hi Phlippe,

You're right. I have 8 process which I can select, the 9th is the idle
process. Running my app brings up the seaside processes which can be
terminated.

On another note, I should tell you that I use Magma for persistent
objects. Remember earlier when I said the memory usage was down to 235
MB, when I evaluated a method which did some Magma stuff, the memory
usage jumped to 800+ MB and I suspect I might be doing something wrong
there.

Ching

On Nov 18, 2007 7:25 PM, Philippe Marschall
<[hidden email]> wrote:

> 2007/11/18, Ching de la Serna <[hidden email]>:
> > Thanks Philippe,
> >
> > It seems to me I only have vital processes running at this point.
>
> That would make 8 process and may an additional 9th Seaside process
> that you should be able to kill. Can you post a list of your
> processes?
>
> Cheers
> Philippe
>
>
> > Funny thing is, memory use is down to 235 MB and I have started to run
> > the Seaside app from localhost.
> >
> > Ching
> >
> > On Nov 18, 2007 7:00 PM, Philippe Marschall
> > <[hidden email]> wrote:
> > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > Hi Philippe,
> > > >
> > > > I have a process browser open. Selecting a process, I right click and I get
> > > >   inspect
> > > >   explore
> > > >   find again..
> > > > I cannot find a terminate option
> > >
> > > As I said, you can not terminate some vital processes. Select a
> > > non-vital process.
> > >
> > > Cheers
> > > Philippe
> > >
> > >
> > > > Ching
> > > >
> > > > On Nov 18, 2007 6:43 PM, Philippe Marschall
> > > > <[hidden email]> wrote:
> > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > I see. Do you think I have a memory leak somewhere?
> > > > >
> > > > > Yes, definitely.
> > > > >
> > > > > > Lukas has
> > > > > > suggested killing processes one by one at the process browser.
> > > > >
> > > > > Among other things. I'm not convinced killing process fixes you problem.
> > > > >
> > > > > > How do
> > > > > > I do this?
> > > > >
> > > > > - open the process brower
> > > > > - select a process
> > > > > - right click
> > > > > - terminate
> > > > >
> > > > > note that you can not kill some vital processes
> > > > >
> > > > > > It does seem unusual that the OS should report 800 MB or
> > > > > > memory being used by the app.
> > > > >
> > > > > It's not the OS, it's Squeak.
> > > > >
> > > > > Cheers
> > > > > Philippe
> > > > >
> > > > >
> > > > > > On Nov 18, 2007 6:15 PM, Philippe Marschall
> > > > > > <[hidden email]> wrote:
> > > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > > > Hi Philippe,
> > > > > > > >
> > > > > > > > I am using Squeak (I presume when you mentioned VW you meant Visual
> > > > > > > > Works?) I have 4GB of physical memory
> > > > > > >
> > > > > > > No I meant VM. You a single process on a 32bit OS will never have 4 GB
> > > > > > > of virtual memory. In general you are limited to 2 GB of virtual
> > > > > > > memory unless you play special tricks. This is completely independend
> > > > > > > of your physical memory size
> > > > > > >
> > > > > > > Cheers
> > > > > > > Philippe
> > > > > > >
> > > > > > >
> > > > > > > > Thanks,
> > > > > > > >
> > > > > > > > Ching
> > > > > > > >
> > > > > > > > On Nov 18, 2007 6:01 PM, Philippe Marschall
> > > > > > > > <[hidden email]> wrote:
> > > > > > > > > 2007/11/18, Ching de la Serna <[hidden email]>:
> > > > > > > > >
> > > > > > > > > > Hi Seaside,
> > > > > > > > > >
> > > > > > > > > > This problem has been bedeviling me for a long time now. I could not
> > > > > > > > > > properly start my image after I got a message, "Space is low". When I
> > > > > > > > > > checked, Squeak.exe process was reported to be 800,000 MB and I had
> > > > > > > > > > 2GB of memory. Several other processes were competing with the 2GB
> > > > > > > > > > memory.
> > > > > > > > > >
> > > > > > > > > > I proceeded to try to solve this by adding more memory. Now, I have 4
> > > > > > > > > > GB of physical memory and my app started fine. When I proceeded to add
> > > > > > > > > > more methods and tried to save, I lost my app in that it stopped and
> > > > > > > > > > would not start again. Can anyone tell me what is going on here? my
> > > > > > > > > > image is a little over 800 MB and my memory manager reports available
> > > > > > > > > > memory in excess of 2GB
> > > > > > > > >
> > > > > > > > > There is a difference between physical and virtual memory. Using
> > > > > > > > > Squeak images of this size is unknown territory. You'll have to use a
> > > > > > > > > recent VW and are very likely to spend a considerable amount of time
> > > > > > > > > on garbage collection.
> > > > > > > > >
> > > > > > > > > Cheers
> > > > > > > > > Philippe
> > > > > > > > >
> > > > > > > > > > Thanks for the help,
> > > > > > > > > >
> > > > > > > > > > Ching
> > > > > > > > >
> > > > > > > > > > _______________________________________________
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