[Monetdb-developers] Announcement: New feature release of MonetDB suite

Sjoerd Mullender sjoerd at acm.org
Wed Jun 3 09:26:28 CEST 2009


The MonetDB team at CWI/MonetDB BV are pleased to announce the new
"May2009" feature release of the MonetDB suite of programs.  This is a
feature release, however it is is (mostly) backward compatible with the
previous releases (Nov2008 and Feb2009).

The two slight incompatibilities are:

- The way string data is stored was changed for 64-bit architectures
with 32-bit OIDs.  There is however an automatic conversion on startup
of the server.  The biggest problem is, you can't go back to an older
version once the new version has run.  This incompatibility affects only
the Windows 64 bit build (the other 64 bit builds use 64-bit OIDs).

- The default location of the write-ahead log (WAL) has changed.  This
is relevant for both MonetDB5/SQL and MonetDB4/XQuery on all platforms.
 When the server first starts on an existing database, it will notice
that the WAL is missing and will refuse to continue with a message which
indicates where the WAL is now expected.  You can either use a command
line option to tell the server where the WAL is, or you can manually
move the WAL to the new location.  This latter option is done
automatically on Windows when you use the Start menu to start the server.

More information on the new release (and the above mentioned
incompatibilities) is available at
<http://monetdb.cwi.nl/projects/monetdb/Development/Releases/May2009/>.

The sources and binaries are available at
<http://monetdb.cwi.nl/projects/monetdb/Download/>.

-- 
Sjoerd Mullender

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