RE: Solaris memory management

Hi Dirk. Limitation Solaris 32bit is 4GB(unsigned inteter). Limitation Solaris 64bit is unsigned long. See http://developers.sun.com/solaris/articles/tuning_solaris.html HTH. -- Tsutomu Ogiwara from Tokyo Japan. ICQ#:168106592 >From: "Dirk Moolman" <DirkM@mxgroup.co.za> >To: "Rafael Padilla" <rafapadilla@yahoo.com> >CC: <informix-list@iiug.org> >Subject: RE: Solaris memory management >Date: Tue, 12 Apr 2005 15:23:20 +0200 > >My main concern is not Informix, but the limitation in the operating >system. I had an AIX system, where I specified lots of memory in >Informix, but AIX still had to break it up - could not handle such a >large contigous chunk. I was not able to only have one virtual segment >on this platform. > >I want to know if Solaris has the same limitation ? > > >-----Original Message----- >From: owner-informix-list@iiug.org [mailto:owner-informix-list@iiug.org] >On Behalf Of Rafael Padilla >Sent: 12 April 2005 12:19 AM >To: informix-list@iiug.org >Subject: Re: Solaris memory management > >Hi, > >On UNIX systems INFORMIX reserves memory in blocks( this is 8k each >one). >Your 20Gg of Memory are 20 Gb / 8Kb of contigous blocks. If you see >in your onstat -g seg one virtual value, there are one contiguos >Virtual segment. Otherwise, remember that INFORMIX manage a RESIDENT >portion, that is other memory segment, so at the end the minimun >segments in INFORMIX are one resident and one virtual. > >regards. > > >"Dirk Moolman" <DirkM@mxgroup.co.za> wrote in message >news:<1113225214.ca65008bf86f2917538be43fa3fc8841@teranews>... > > I am trying to find out what the limit is on contiguous memory in > > Solaris. Can I grab one segment of 20G, or will Solaris break the > > segment down into smaller pieces ? > > > > For example, if I run onstat -g seg, can I have one segment of 20G, or > > is this not possible ? > > > > I am using Solaris 9 and IDS 7.31 FD3 ...... 64bit > > > > > > > > > > > > Dirk Moolman > > Database and Unix Administrator > > MXGROUP > > > > > > > > "People demand freedom of speech as a compensation for the freedom of > > thought which they seldom use." > > > > sending to informix-list > >sending to informix-list sending to informix-list