Re: [ZODB-Dev] ZODB 3.1.2 final released

[Eric Brun]

Hi,

I would like to know what is the difference between ZODB 3.1.2 and ZODB 3.2b2 because I don't know which one to choose.

Thank

Eric


> I'm pleased to announce the final release of ZODB 3.1.2.  This release
> provides a large number of bug fixes, including several critical fixes
> that can lead to failures and data loss in race circumstances.  The code
> in this release corresponds to the ZODB code in Zope 2.6.2.
> 
> The primary changes between ZODB 3.1.1 and ZODB 3.1.2 are:
> 
> The database now handles a transaction's invalidations atomically.  In
> earlier versions of ZODB, a partial set of invalidations could be
> applied, presenting applications with an inconsistent view of the
> database.
> 
> We fixed several bugs in ZEO's handling of invalidations messages. 
> These bugs could lead to data loss or data corruption in some
> circumstances.  Some of the ZEO bugs were related to the atomic
> invalidations change, but not all.  
> 
> Several of the ZEO bugs are probably also present in ZEO version 1.  I
> would recommend that ZEO 1 users upgrade to ZEO 2 as soon as possible,
> as we are no longer maintaing ZEO 1 and have not fixed the bugs there.
> 
> There is a new implementation of FileStorage pack that fixes several
> problems.  The old version of pack could cause data loss in the presence
> of undo.
> 
> There were a few small BTrees fixes.  In one case, a segfault could
> occur if a BTree was modified by deletion while it was being iterated
> over.
> 
> There were a few small changes between ZODB 3.1.2 beta 2 and the final
> release.  I've included the relevant entries from the news file below.
> 
> Jeremy
> 
> What's new in ZODB3 3.1.2 final?
> ->->->->->->->->->->->->->->->->->->->->->->->->->->->->->->->
> Fixed bug in FileStorage pack that caused it to fail if it encountered
> an old undo record (status "u").
> 
> Fixed several bugs in FileStorage pack that could cause OverflowErrors
> for storages > 2 GB.
> 
> Fixed memory leak in TimeStamp.laterThan() that only occurred when it
> had to create a new TimeStamp.
> 
> Fixed two BTree bugs that were fixed on the head a while ago:
> 
>    - bug in fsBTree that would cause byValue searches to end early.
>      (fsBTrees are never used this way, but it was still a bug.)
> 
>    -  bug that lead to segfault if BTree was mutated via deletion
>       while it was being iterated over.
> 
> 
> 
> _______________________________________________
> For more information about ZODB, see the ZODB Wiki:
> http://www.zope.org/Wikis/ZODB/
> 
> ZODB-Dev mailing list  -  ZODB-Dev at zope.org
> http://mail.zope.org/mailman/listinfo/zodb-dev
> 


Eric Brun
Savoie Technologie
Savoie Technolac