Re: [ZODB-Dev] ZODB memory problems (was: processing a Very Large file)

2005-05-29 Thread Jeremy Hylton
On 5/29/05, Shane Hathaway <[EMAIL PROTECTED]> wrote: > > Would a multi thread ZEO server improve anything here? Especially > > with concurrent access? > > It's possible. Although ZEO talks over the network using async sockets, > it reads files synchronously, so I suspect it will frequently sit a

Re: [ZODB-Dev] ZODB memory problems (was: processing a Very Large file)

2005-05-29 Thread Shane Hathaway
Tino Wildenhain wrote: > Am Sonntag, den 29.05.2005, 09:51 +0200 schrieb Andreas Jung: >>The Pdata approach in general is not bad. I have implemented a CVS-like file >>repository lately where we store binary content using a pdata like >>structure. >>Our largest files are around (100MB) and the per

Re: [ZODB-Dev] ZODB memory problems (was: processing a Very Large file)

2005-05-29 Thread Tino Wildenhain
Am Sonntag, den 29.05.2005, 09:51 +0200 schrieb Andreas Jung: > > --On 29. Mai 2005 11:29:06 +0200 Christian Theune <[EMAIL PROTECTED]> wrote: > > > Am Samstag, den 21.05.2005, 17:38 +0200 schrieb Christian Heimes: > >> Grab the Zope2 sources and read lib/python/OFS/Image.py. Zope's > >> OFS.Imag

Re: [ZODB-Dev] ZODB memory problems (was: processing a Very Large file)

2005-05-29 Thread Andreas Jung
--On 29. Mai 2005 11:29:06 +0200 Christian Theune <[EMAIL PROTECTED]> wrote: Am Samstag, den 21.05.2005, 17:38 +0200 schrieb Christian Heimes: Grab the Zope2 sources and read lib/python/OFS/Image.py. Zope's OFS.Image.Image class (and also Zope3's implementation) is using a so called possible

Re: [ZODB-Dev] ZODB memory problems (was: processing a Very Large file)

2005-05-29 Thread Christian Theune
Am Samstag, den 21.05.2005, 17:38 +0200 schrieb Christian Heimes: > Grab the Zope2 sources and read lib/python/OFS/Image.py. Zope's > OFS.Image.Image class (and also Zope3's implementation) is using a so > called possible large data class (Pdata) that is a subclass of Persistent. > > Pdata is us