Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Peter 'p2' De Schrijver
On Fri, Dec 06, 2002 at 03:53:42PM -0500, Neal H. Walfield wrote: > 64-bit systems do not necessarily give you 64-bits of virtual address > space (even discounting the kernel's area). Alpha, for instance, only > gives you 43 bits. There are real practical reasons for doing this: > the page tables

Re: NEED TO COMPLETE YOUR SOFTWARE PROJECT YESTERDAY?

2002-12-06 Thread Wolfgang Jaehrling
On Sat, Dec 07, 2002 at 02:22:23AM +0600, Boris wrote: > if the deadline breakings became ordinary thing for you, > do not hesitate, consult us right now, and we answer you immediately! > Simply reply to this email or write to [EMAIL PROTECTED] > and we solve your problems in time. Yes, we need s

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Joshua Judson Rosen
On Fri, Dec 06, 2002 at 11:52:52AM -0600, Tom Hart wrote: > > Peter 'p2' De Schrijver wrote: > > > >On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: > >> > >>The reason for the limit is because the address space on IA32 > >>architecture is 32 bit. Now, you _could_ of course change

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Neal H. Walfield
> I wonder what ideas Neal had, I couldn't find a thread where he described his > ideas. My idea is to maintain a ~1GB area of "metadata control space." This area, rather than being a one-to-one mapping of memory to backing store (as it currently is), would lazily map (via a hash) the metadata l

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Marcus Brinkmann
On Fri, Dec 06, 2002 at 01:12:24PM -0600, Tom Hart wrote: > Doesn't this kind of go against the Hurdish "no arbitrary limits" > philosophy, ie. no MATHPATHLEN, MAXHOSTLEN, etc.? > > I agree that 2^64 bits is amazingly huge. But doesn't this sort of > assumption tend to lead to problems later on

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Neal H. Walfield
64-bit systems do not necessarily give you 64-bits of virtual address space (even discounting the kernel's area). Alpha, for instance, only gives you 43 bits. There are real practical reasons for doing this: the page tables become far too deep and costly for no benefit (8k pages => 13 bits + 10k

NEED TO COMPLETE YOUR SOFTWARE PROJECT YESTERDAY?

2002-12-06 Thread Boris
If you're exhausted explaining your IT personnel about deadline scheduling, if the deadline breakings became ordinary thing for you, do not hesitate, consult us right now, and we answer you immediately! Simply reply to this email or write to [EMAIL PROTECTED] and we solve your problems in time.

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Alfred M. Szmidt
I agree that 2^64 bits is amazingly huge. But doesn't this sort of assumption tend to lead to problems later on down the road? If I have 99 years of 1024x1024@24 50frames/sec movies, and 32061 terabytes of mail, music and other crap, than I have other problems to think about. 2^64 is so ab

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Tom Hart
Marcus Brinkmann wrote: On Fri, Dec 06, 2002 at 07:02:14PM +0100, Peter 'p2' De Schrijver wrote: On Fri, Dec 06, 2002 at 11:52:52AM -0600, Tom Hart wrote: Peter 'p2' De Schrijver wrote: On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: The reason for the limit is because th

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Marcus Brinkmann
On Fri, Dec 06, 2002 at 07:02:14PM +0100, Peter 'p2' De Schrijver wrote: > On Fri, Dec 06, 2002 at 11:52:52AM -0600, Tom Hart wrote: > > Peter 'p2' De Schrijver wrote: > > >On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: > > >>The reason for the limit is because the address space

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Tom Hart
Peter 'p2' De Schrijver wrote: On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: The reason for the limit is because the address space on IA32 architecture is 32 bit. Now, you _could_ of course change the kernel interfaces to allow for larger memory objects and only limit mapping

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Peter 'p2' De Schrijver
On Fri, Dec 06, 2002 at 11:52:52AM -0600, Tom Hart wrote: > Peter 'p2' De Schrijver wrote: > >On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: > >>The reason for the limit is because the address space on IA32 architecture > >>is 32 bit. Now, you _could_ of course change the kernel

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Peter 'p2' De Schrijver
On Fri, Dec 06, 2002 at 05:46:13PM +0100, Marcus Brinkmann wrote: > On Fri, Dec 06, 2002 at 11:05:13AM +0100, M. Gerards wrote: > > Another thing I wonder: Why do memory > > objects have a maximum size of 4GB? Isn't it possible to create a memory object > > with the size of the entire store and u

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Marcus Brinkmann
On Fri, Dec 06, 2002 at 11:05:13AM +0100, M. Gerards wrote: > Another thing I wonder: Why do memory > objects have a maximum size of 4GB? Isn't it possible to create a memory object > with the size of the entire store and use mapping windows? (Or am I confused > again? :)). Can someone please de

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread Nicola Girardi
> Was there any agreement on how to procced with fixing the 1GB limit? If I remember correctly, a guy showed up and offered to write an ext3 server in a way so that it would not suffer that limit and maybe allow ACLs, then he went to the background. It would be nice if he could show up once more

Re: 2nd attemt at reviving the filesystem limit discussion.

2002-12-06 Thread M. Gerards
Quoting "Alfred M. Szmidt" <[EMAIL PROTECTED]>: > Was there any agreement on how to procced with fixing the 1GB limit? > The discussion died of after Marcus reposted a discussion about not > mapping the whole disk to memory. > > Here are the archives of the threads: > http://mail.gnu.org/pipermai