Re: Future of McKoi?
"Bayless Kirtley" <[email protected]> Mon, 28 Jan 2008 16:58:33 -0600
| Newsgroups | gmane.comp.db.mckoi |
|---|---|
| Message-ID | <004a01c86202$28e2fbc0$6401a8c0@Desktop> |
------=_NextPart_000_0022_01C861CF.0449F760 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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.=20 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 -----=20 From: Alexander Finger=20 To: [email protected]=20 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 <[email protected]> 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=20 m_a_sridhar at yahoo dot com ----- Original Message ---- From: Alexander Finger <[email protected]> To: [email protected] 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 <[email protected]> wrote: > Is McKoi database still actively developed and supported? The last = release > was made 3.5 years ago... > --------------------------------------------------------------- Mckoi SQL Database mailing list http://www.mckoi.com/database/ To unsubscribe, send a message to [email protected] -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.516 / Virus Database: 269.19.14/1247 - Release Date: = 1/28/2008 10:59 AM ------=_NextPart_000_0022_01C861CF.0449F760 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.6000.16587" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>That is interesting. I originally chose = McKoi for=20 my project and used it for the first few months of development. It = started=20 getting corrupted very early in the testing phase and did this several = times. I=20 couldn't get much help and no recovery schemes seemed to work. I = switched to=20 Hsqldb over a year ago as it had all the features of McKoi except for = the Java=20 Object data type. Actually, it turned out to be considerably faster too. = </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>The database has been in production for = almost 6=20 months now. A few weeks ago, I updated to Java 1.6 and started getting = corrupted=20 index or internal pointers or something. Fortunately, Hsqldb does have = pretty=20 good recovery tools so I lost almost no data. I looked at = Derby,=20 especially since Sun has adopted it as JavaDB. It is reported to be = considerably=20 slower then Hsqldb and it does not support the Boolean data type which = is=20 scattered throughout my application. The conversion would be too=20 much.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Bayless</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <BLOCKQUOTE=20 style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A [email protected]=20 href=3D"mailto:[email protected]">Alexander Finger</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = [email protected]=20 href=3D"mailto:[email protected]">[email protected]</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, January 28, 2008 = 3:01=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Future of = McKoi?</DIV> <DIV><BR></DIV>The software I worked on that had a McKoi database = (implemented=20 prior to my arrival) had many problems. Its data got corrupted often; = I am=20 surprised to hear you say you've never even had a = hiccup.<BR><BR>Alex<BR><BR> <DIV class=3Dgmail_quote>On Jan 28, 2008 3:57 PM, M. A. Sridhar <<A = href=3D"mailto:[email protected]">[email protected]</A>> = wrote:<BR> <BLOCKQUOTE class=3Dgmail_quote=20 style=3D"PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: = rgb(204,204,204) 1px solid"> <DIV> <DIV style=3D"FONT-SIZE: 10pt; FONT-FAMILY: tahoma,new = york,times,serif">I am=20 interested in the Mckoi database because I think it has been the = best one=20 I've seen among all the pure Java databases I've evaluated. I have = tried=20 pointbase, h2, hsqldb and cloudscape/derby, in the context of a = fairly large=20 CRM app I have been involved with. Each had its own set of issues. = Pointbase=20 wasn't as fast, nor was cloudscape or h2 (at the time I tested them = -- a few=20 years ago). hsqldb was actually quite a bit faster, but I seem to = recall=20 that it wasn't supporting transactions properly. I even tried = sqlite, but=20 there were some issues with blob support in its JDBC = driver.<BR><BR>By=20 contrast, I've had Mckoi deployed in production for quite a while = now, and=20 never had a hiccup -- no data corruptions, no management headaches, = nothing.=20 It just works. So it be a real pity to see this project=20 die.<BR><BR>Regards.<BR> <DIV> </DIV> <DIV=20 style=3D"BORDER-TOP: rgb(200,200,200) 1px solid; FONT-SIZE: 92%; = PADDING-BOTTOM: 4px; WIDTH: 400px; PADDING-TOP: 4px">M.=20 A. Sridhar <BR><CODE style=3D"FONT-SIZE: 92%">m_a_sridhar at yahoo = dot=20 com</CODE></DIV> <DIV=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: tahoma,new = york,times,serif"><BR><BR> <DIV=20 style=3D"FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new = york,times,serif"> <DIV class=3DIh2E3d>----- Original Message ----<BR>From: Alexander = Finger=20 <<A href=3D"mailto:[email protected]"=20 target=3D_blank>[email protected]</A>><BR>To: <A=20 href=3D"mailto:[email protected]"=20 target=3D_blank>[email protected]</A><BR></DIV> <DIV class=3DIh2E3d>Sent: Saturday, January 26, 2008 7:29:53 = PM<BR>Subject:=20 Re: Future of McKoi?<BR><BR>do not bother with mckoi. Check out = Derby=20 instead.<BR><BR>On 1/26/08, Alex Molochnikov <<A=20 href=3D"mailto:[email protected]" = target=3D_blank>[email protected]</A>>=20 wrote:<BR>> Is McKoi database still actively developed and = supported? The=20 last release<BR>> was made 3.5 years=20 = ago...<BR>><BR><BR><BR>-----------------------------------------------= ----------------<BR>Mckoi=20 SQL Database mailing list <A = href=3D"http://www.mckoi.com/database/"=20 target=3D_blank>http://www.mckoi.com/database/</A><BR>To = unsubscribe, send a=20 message to <A href=3D"mailto:[email protected]"=20 = target=3D_blank>[email protected]</A><BR><BR></DIV></DIV><BR>= </DIV></DIV></DIV></BLOCKQUOTE></DIV><BR> <P> <HR> <P></P>No virus found in this incoming message.<BR>Checked by AVG Free = Edition. <BR>Version: 7.5.516 / Virus Database: 269.19.14/1247 - = Release Date:=20 1/28/2008 10:59 AM<BR></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_0022_01C861CF.0449F760--