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That is interesting. I originally chose McKoi for
my project and used it for the first few months of development. It started
getting corrupted very early in the testing phase and did this several times. I
couldn't get much help and no recovery schemes seemed to work. I switched to
Hsqldb over a year ago as it had all the features of McKoi except for the Java
Object data type. Actually, it turned out to be considerably faster too.
The database has been in production for almost 6
months now. A few weeks ago, I updated to Java 1.6 and started getting corrupted
index or internal pointers or something. Fortunately, Hsqldb does have pretty
good recovery tools so I lost almost no data. I looked at Derby,
especially since Sun has adopted it as JavaDB. It is reported to be considerably
slower then Hsqldb and it does not support the Boolean data type which is
scattered throughout my application. The conversion would be too
much.
Bayless
----- Original Message -----
Sent: Monday, January 28, 2008 3:01
PM
Subject: Re: Future of McKoi?
The software I worked on that had a McKoi database (implemented
prior to my arrival) had many problems. Its data got corrupted often; I am
surprised to hear you say you've never even had a hiccup.
Alex
On Jan 28, 2008 3:57 PM, M. A. Sridhar < m_a_sridhar@yahoo.com> wrote:
I am
interested in the Mckoi database because I think it has been the best one
I've seen among all the pure Java databases I've evaluated. I have tried
pointbase, h2, hsqldb and cloudscape/derby, in the context of a fairly large
CRM app I have been involved with. Each had its own set of issues. Pointbase
wasn't as fast, nor was cloudscape or h2 (at the time I tested them -- a few
years ago). hsqldb was actually quite a bit faster, but I seem to recall
that it wasn't supporting transactions properly. I even tried sqlite, but
there were some issues with blob support in its JDBC driver. By
contrast, I've had Mckoi deployed in production for quite a while now, and
never had a hiccup -- no data corruptions, no management headaches, nothing.
It just works. So it be a real pity to see this project
die. Regards.
M.
A. Sridhar
m_a_sridhar at yahoo dot
com
Sent: Saturday, January 26, 2008 7:29:53 PM Subject:
Re: Future of McKoi? do not bother with mckoi. Check out Derby
instead. On 1/26/08, Alex Molochnikov < molochnikov@shaw.ca>
wrote: > Is McKoi database still actively developed and supported? The
last release > was made 3.5 years
ago... > --------------------------------------------------------------- Mckoi
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