Out Of Memory

[Kevin O'Gorman]

On Fri, Jul 12, 2002 at 12:41:30PM +0200, patrick Kapturkiewicz wrote:
> Lonni -> Thank you, you help me a lot. I'll see and
> test your suggestions. But RH 7.1 was certified by
> oracle on Oracle 8i, it's why we choose it, and all is
> OK on Siemens Primergy for little databases.

Another point of reference: I've been using 8i on RH 7.1 for
quite a while in a research setting.  The database is
the TPC schema, at about 1GB of data and 2GB of index,
sometimes on a single IDE disk, sometimes on 4 SCSI disks.
This has worked well for me, and I expect to defend my
PhD thesis based on this work next week.  Oracle has given
me no unusual problems with this setup since 7.1 came out.

I switched to 7.1 after all my 6.2 systems had been
overtaken by some sort of Linux worm, and I needed to
get a system that was receiving current security updates.

++ kevin


> 
> Rick -> We sell specifics products on Microsoft System
> with SQL Server.
> My job is to create new distributions based on Linux
> and Oracle. I may construct a standard fixed base
> distribution for defined configurations. The database
> size depends of our future customers. I forgot to say
> I use Smart Array controlers with RAID 1 or RAID 5.
> The 18 Gb disk is a sample. I put a mail on OTN forum
> (JVM) but I had no response. I don't understand your
> question on permissions.
> 
> Patrick (happy to hear an echo).
> 
> 
>  --- Net Llama! <netllama at linux-sxs.org> a ?crit?: >
> Richard R. Sivernell wrote:
> > > On Thu, 11 Jul 2002 17:29:04 -0400 (EDT)
> > > Net Llama! <netllama at linux-sxs.org> wrote:
> > > 
> > > 
> > >>On Thu, 11 Jul 2002, [iso-8859-1] patrick
> > Kapturkiewicz wrote:
> > >>
> > >>>Hi,
> > >>>What happens ?
> > >>>Compaq Proliant ML370 G2 with HD 18 Gb, 256 Mb
> > memory,
> > >>>
> > >>>RedHat 7.1, Oracle 8i, 512 Mb swap, JDK 1.1.8v3
> > >>
> > >>hehehehehe...good old rh-7.1 with oracle no less. 
> > this has been the bane
> > >>of my existence at work for the past month or so.
> > >>
> > >>
> > >>>The command dbassist based on jre freezes during
> > the
> > >>>database creation on 1% value.
> > >>>with free or sar, I can see the occupied memory
> > >>>growing until 100%, then swap growing until 100%.
> > At
> > >>>last, The processus jre is killed by system.
> > >>>Any idea ?
> > >>
> > >>yes, a few:
> > >>1) Oracle-8i is *NOT* qualified on anything after
> > RH-6.2.  Trying to run
> > >>it on RH-7.1 will expectedly result in failure. 
> > I'm surprised you even
> > >>got it to install cleanly.
> > >>2) the default kernel that comes with RH-7.1 is
> > 2.4.2.   not only is this
> > >>kernel ancient, but its *extremely* buggy, and
> > does a horrid job managing
> > >>memory.  RH provides a 2.4.9 kernel for RH-7.1 as
> > an upgrade.  i'd
> > >>strongly urge you to use it, if you're not
> > already.
> > >>3) *ONLY* Oracle-9iR1 is qualified by Oracle to
> > run on RH-7.1, and it
> > >>requires that you upgrade binutils in order to get
> > all the libraries to
> > >>properly build during the oracle install process. 
> > Don't even bother
> > >>trying to install 9i unless you upgrade binutils
> > first.
> > > 
> > > 
> > > 
> > >   After all of that, what size database are you
> > creating on a 18 gig
> > > hd. Are you ofs compliant? How about permissions?
> > 
> > Another excellent point.  Oracle will run incredibly
> > poorly on the 
> > hardware that you've got.  18GB is going to disapear
> > really fast, and 
> > 256MB of memory is going to get sucked up within
> > minutes, and i'd 
> > imagine just about all your swap will be gone within
> > a few hours. 
> > Oracle needs at leat 1GB of physical memory to run
> > decently.
> > 
> > Oracle is the KDE of databases.  Big, bloated, and
> > loaded with 4300 
> > features that no one ever asked for.
> > 
> 
> 
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-- 
Kevin O'Gorman  (805) 650-6274  mailto:kevin at kosmanor.com
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