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04-19-2008, 08:23 PM
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 Re: IDS HPL features.... This is a multi-part message in MIME format. ------=_NextPart_000_00D8_01C3F2EA.AE4C9770 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Have a look at the load FAQ (www.artentech.com/downloads.htm) - if you = can't get it let me know and I'll send it along - there is an external = (to IBM) discussion of HPL and some of it's failings. The next section = right after HPL is a discussion of the XPS ploader - which states = essentially - imagine all of the power of HPL with all of the problems = fixed. ;-). =20 The ploader is much nicer in that you have an internal table definition = and can use the 'external files' as tables. =20 Get rid of the way HPL hogs shared memory until it runs out. =20 The ploader is much eaiser to script than HPL. onpladm is cute, but = it's an afterthought, not a better solution. =20 Where there is a 2GB limit, it would be nice if the unloader dealt with = that gracefully - either announcing in the beginning that there is = insufficient space, or by creating a new unload file once it hit the 2GB = boundary. It can be a real pain to set up an unload, you think you're = ok, and then 30 minutes in it falls over because you didn't include = anough files in your device to unload your 100GB table. HPL is finicky (yes, that's a technical term) It might be easier to just = port the ploader back and get rid of the interface all together. Regards, Jack Parker ----- Original Message -----=20 From: Pravin Kedia=20 To: informix-list@iiug.org=20 Sent: Tuesday, February 10, 2004 6:34 PM Subject: IDS HPL features.... Hi All, I am looking for new ideas and enhancements that our customers = community need in IDS HPL product. Can you please send me your problems/features/requirements that you = need in HPL product? Regards, Pravin. ------=_NextPart_000_00D8_01C3F2EA.AE4C9770 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 6.00.2800.1226" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Have a look at the load FAQ (<A=20 href=3D"http://www.artentech.com/downloads.htm">www.artentech.com/downloa= ds.htm</A>)=20 - if you can't get it let me know and I'll send it along - there is an = external=20 (to IBM) discussion of HPL and some of it's failings. The = next=20 section right after HPL is a discussion of the XPS ploader - which = states=20 essentially - imagine all of the power of HPL with all of the problems=20 fixed. ;-). </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>The ploader is much nicer in that you = have an=20 internal table definition and can use the 'external files' as = tables. =20 </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Get rid of the way HPL hogs shared = memory until it=20 runs out. </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>The ploader is much eaiser to script = than=20 HPL. onpladm is cute, but it's an afterthought, not a better=20 solution. </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Where there is a 2GB limit, it would be = nice if the=20 unloader dealt with that gracefully - either announcing in the beginning = that=20 there is insufficient space, or by creating a new unload file once it = hit the=20 2GB boundary. It can be a real pain to set up an unload, you think = you're=20 ok, and then 30 minutes in it falls over because you didn't include = anough files=20 in your device to unload your 100GB table.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>HPL is finicky (yes, that's a technical = term) It=20 might be easier to just port the ploader back and get rid of the = interface all=20 together.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Regards,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Jack Parker</FONT></DIV> <BLOCKQUOTE dir=3Dltr=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 title=3Dkedia@us.ibm.com href=3D"mailto:kedia@us.ibm.com">Pravin = Kedia</A>=20 </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = title=3Dinformix-list@iiug.org=20 href=3D"mailto:informix-list@iiug.org">informix-list@iiug.org</A> = </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, February 10, = 2004 6:34=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> IDS HPL = features....</DIV> <DIV><BR></DIV> <P>Hi All,<BR><BR>I am looking for new ideas and enhancements that our = customers community need in IDS HPL product.<BR>Can you please send me = your=20 problems/features/requirements that you need in HPL=20 product?<BR><BR>Regards,<BR>Pravin.</P></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_00D8_01C3F2EA.AE4C9770-- sending to informix-list      |
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