Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Andy McKay

Yes, you will hit this limit. Windows uses a 32 bit integer for file size...
No matter what MS says, Ive hit it on Win2k.
--
  Andy McKay.


- Original Message -
From: "Tim McLaughlin" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, February 15, 2001 1:13 PM
Subject: [Zope-dev] 2gb ZODB size limit


 Is this true on windows too?  I saw some mention of this limit be lifted,
 but if so, in what version?

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Morten W. Petersen

[Tim McLaughlin]

| Is this true on windows too?  I saw some mention of this limit be lifted,
| but if so, in what version?

It's not a problem on Windows, AFAIK.  It's a problem with Linux, if
you want to be able to use databases  2GB in size on Linux, a
kernel = 2.4.0 is required.

Hope this helps,

Morten

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Morten W. Petersen

[Andy McKay]

| Yes, you will hit this limit. Windows uses a 32 bit integer for file size...
| No matter what MS says, Ive hit it on Win2k.

Interesting.  Are you sure the problem lies with Win2K and not Python or
something else?

Cheers,

Morten

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Andy McKay

Windows, according to Trent Mick a Developer here at ActiveState who added
in some large file support for Python platforms for python 2.0 (and has
looked at this in detail). I heard a rumour Solaris does not have this
problem.
--
  Andy McKay.


- Original Message -
From: "Morten W. Petersen" [EMAIL PROTECTED]
To: "Andy McKay" [EMAIL PROTECTED]
Cc: "Tim McLaughlin" [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Thursday, February 15, 2001 2:30 PM
Subject: Re: [Zope-dev] 2gb ZODB size limit


 [Andy McKay]

 | Yes, you will hit this limit. Windows uses a 32 bit integer for file
size...
 | No matter what MS says, Ive hit it on Win2k.

 Interesting.  Are you sure the problem lies with Win2K and not Python or
 something else?

 Cheers,

 Morten

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Erik Enge

[Morten W. Petersen]

| It's a problem with Linux, if you want to be able to use databases 
| 2GB in size on Linux, a kernel = 2.4.0 is required.

Nope.  First, the limit is at file-level, not database-level (mind
you, a problem with the filesystem, not Linux per se).  You can have
tons and tons of files, but noone of those can be over 2GB.  Secondly,
this is only true for the ext2 (and lesser filesystems).  ReiserFS
does not have this limitation and I've heard that is supposed to be
shipped batteries included come 2.4.1.

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Morten W. Petersen

[Erik Enge]

| [Morten W. Petersen]
| 
| | It's a problem with Linux, if you want to be able to use databases 
| | 2GB in size on Linux, a kernel = 2.4.0 is required.
| 
| Nope.  First, the limit is at file-level, not database-level (mind
| you, a problem with the filesystem, not Linux per se).  You can have
| tons and tons of files, but noone of those can be over 2GB.

FileStorage type database was implicit, as we're discussing ZODB,
and that's one file per database.

| Secondly, this is only true for the ext2 (and «lesser» filesystems).
| ReiserFS does not have this limitation and I've heard that is supposed
| to be shipped «batteries included» come 2.4.1.

Sorry?  Didn't I say kernel version 2.4.0 or greater?  The 2GB problem
(in ext2) is fixed there you know.

..and a side note for ReiserFS, I've had it mess up a filesystem
completely, so much for 1 second recovery after a crash.  ;-)

BTW, there is a list called [EMAIL PROTECTED], for ZODB specific
questions.

Cheers,

Morten

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Erik Enge

[Morten W. Petersen]

| BTW, there is a list called [EMAIL PROTECTED], for ZODB specific
| questions.

Actually, I think its called ZODB-Dev; [EMAIL PROTECTED]

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Morten W. Petersen

[Erik Enge]

| [Morten W. Petersen]
| 
| | BTW, there is a list called [EMAIL PROTECTED], for ZODB specific
| | questions.
| 
| Actually, I think its called ZODB-Dev; [EMAIL PROTECTED]

I stand corrected.

Cheers,

Morten

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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Chris Withers

 FileStorage type database was implicit, as we're discussing ZODB,
 and that's one file per database.

Not necessarily ;-)

http://www.zope.org/Members/hathawsh/PartitionedFileStorage

...thanks Shane!

*grinz*

Chris


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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Bill Anderson

On 15 Feb 2001 23:28:18 +0100, Morten W. Petersen wrote:
 [Tim McLaughlin]
 
 | Is this true on windows too?  I saw some mention of this limit be lifted,
 | but if so, in what version?
 
 It's not a problem on Windows, AFAIK.  It's a problem with Linux, if
 you want to be able to use databases  2GB in size on Linux, a
 kernel = 2.4.0 is required.



... or , on Redhat, an 'enterprise' kernel, as it has LFS built into it.
For otehrs, you can get the patch, and use it on 2.2 kernels 9check the
version number of the patch to teh kernel, of course, standard kernel
disclaimer applies).

Bill



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Re: [Zope-dev] 2gb ZODB size limit

2001-02-15 Thread Barry A. Warsaw


 "MWP" == Morten W Petersen [EMAIL PROTECTED] writes:

MWP BTW, there is a list called [EMAIL PROTECTED], for ZODB
MWP specific questions.

Make that [EMAIL PROTECTED] now!
-Barry

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