Re: Reg. persisting data in ZODB via forms
Laurence Rowe <[email protected]>
| Newsgroups | gmane.comp.web.zope.devel,gmane.comp.web.zope.bluebream |
|---|---|
| Message-ID | <[email protected]> |
On 8 June 2011 20:47, Joe Steeve <[email protected]> wrote: > On Wed, 2011-06-08 at 14:48 +0100, Laurence Rowe wrote: >> A BTree efficiently stores a large number of key,value pairs because >> the storage is split across a number of persistent objects (buckets) >> each of which stores a part of the tree, so only the bucket that >> changes needs to be stored when a key,value is updated. See >> http://zodb.org/documentation/guide/modules.html#btrees-package and >> http://en.wikipedia.org/wiki/B%2B_tree > > Okay. So, if there are (say) 10 objects in a bucket. And, one of them > changes. Then, are all 10 objects serialized again? If they are not persistent objects themselves then yes. Laurence _______________________________________________ Zope-Dev maillist - [email protected] https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )