I can certainly state that it's most definitely available, as it's running for an awful lot of customers :-) I'll chase down that response - contact me off list with the precise details, please.
I'm currently investigating the status of this - the last time the docs were updated support for hugepages wasn't in the kernel - now that it is I'll get this revised. Back soon Damian -----Original Message----- From: Linux on 390 Port [mailto:[email protected]]on Behalf Of Szefler Jakub - Hurt TP Sent: 27 November 2009 10:34 To: [email protected] Subject: Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 Hi, I have official answer from oracle that oracle database not available for zlinux :(. Jakub Szefler Administrator Mainframe Pion Operacji IT Grupy TP/Departament Infrastruktury Wydział Infrastruktury Informatycznej Dział Platform Serwerowych i Pamięci Masowych ul. Goplańska 25, 91-463 Łódź tel.0 42 655 32 29 fax.0 42 655 42 22 Telekomunikacja Polska <<http://www.tp.pl>> Telekomunikacja Polska Spółka Akcyjna z siedzibą i adresem w Warszawie (00-105) przy ulicy Twardej 18, wpisana do Rejestru Przedsiębiorców prowadzonego przez Sąd Rejonowy dla m.st.Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego pod numerem 0000010681; REGON 012100784, NIP 526-02-50-995; z pokrytym w całości kapitałem zakładowym wynoszącym 4 106 319 723 zł __________________________________________________________________ Treść tej wiadomości zawiera informacje przeznaczone tylko dla adresata. Jeżeli nie jesteście Państwo jej adresatem, bądź otrzymaliście ją przez pomyłkę, prosimy o powiadomienie o tym nadawcy oraz trwałe jej usunięcie. -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Gerald Schaefer Sent: Tuesday, November 17, 2009 2:54 PM To: [email protected] Subject: Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 Hi, I am not aware of any specific studies, but the page table sharing benefit was explained in some detail in a z/Journal article: http://zjournal.tcipubs.com/issues/zJ.DEC-JAN09.pdf (p. 24, Linux on System z Kernel News) Mit freundlichem Gruß / Kind regards, Gerald Schäfer Linux on System z Development IBM Systems &Technology Group, Systems Software Development / SW Linux für zSeries Entwicklung ---------------------------------------------------------------------------- ------------------- IBM Deutschland Schoenaicher Str. 220 71032 Boeblingen Phone: +49-7031-16-2275 Fax: +49-7031-16-3456 E-Mail: [email protected] ---------------------------------------------------------------------------- ------------------- IBM Deutschland Research & Development GmbH / Vorsitzender des Aufsichtsrats: Martin Jetter Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294 Linux on 390 Port <[email protected]> wrote on 11/17/2009 02:41:52 PM: > From: > > Richard Gasiorowski <[email protected]> > > To: > > [email protected] > > Date: > > 11/17/2009 02:42 PM > > Subject: > > Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 > > Gerald, > > Good stuff - has IBM published any studies or can you provide? > > > Richard (Gaz) Gasiorowski > Global System z Linux Virutalization and Mainframce Services Product > Manager Americas RPE Portfolio Platform Services CSC 3170 Fairview > Park Dr., Falls Church, VA 22042 > 845-889-8533|Work|845-392-7889 Cell|[email protected]|www.csc.com > > > > > This is a PRIVATE message. If you are not the intended recipient, please > delete without copying and kindly advise us by e-mail of the mistake in > delivery. > NOTE: Regardless of content, this e-mail shall not operate to bind CSC to > any order or other contract unless pursuant to explicit written agreement > or government initiative expressly permitting the use of e-mail for such > purpose. > > > > From: > Gerald Schaefer <[email protected]> > To: > [email protected] > Date: > 11/17/2009 08:36 AM > Subject: > Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 > > > > Hi, > > you should see a large benefit in page table memory consumption with > applications > that use lots of processes on shared (hugepage) memory mappings. IIRC, > Oracle > should also benefit from this. > > You will save 2 MB of page table memory per 1 GB of shared memory mapping, > > per > process. This will scale with the size of the memory mapping and the > number of > processes, up to the point that you can save more memory used for page > tables > than you were actually sharing between the processes. For example, with > 1000 > processes sharing 1 GB of (hugepage) memory, you will save 2 GB of memory > that > would otherwise be used for page tables w/o hugepages. > > Mit freundlichem Gruß / Kind regards, > > Gerald Schäfer > > Linux on System z Development > IBM Systems &Technology Group, Systems Software Development / SW Linux für > > zSeries Entwicklung > ---------------------------------------------------------------------------- ------------------- > IBM Deutschland > Schoenaicher Str. 220 > 71032 Boeblingen > Phone: +49-7031-16-2275 > Fax: +49-7031-16-3456 > E-Mail: [email protected] > ---------------------------------------------------------------------------- ------------------- > IBM Deutschland Research & Development GmbH / Vorsitzender des > Aufsichtsrats: Martin Jetter > Geschäftsführung: Dirk Wittkopp > Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, > > HRB 243294 > > > Linux on 390 Port <[email protected]> wrote on 11/16/2009 06:20:51 > PM: > > > From: > > > > Richard Gasiorowski <[email protected]> > > > > To: > > > > [email protected] > > > > Date: > > > > 11/16/2009 06:21 PM > > > > Subject: > > > > Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 > > > > Jakub, > > > > I do not see the benefit of hugepages and system z linux. My answer is > > simply does not apply. > > > > Richard (Gaz) Gasiorowski > > Global System z Linux Virutalization and Mainframce Services Product > > Manager > > Americas RPE Portfolio Platform Services > > CSC > > 3170 Fairview Park Dr., Falls Church, VA 22042 > > 845-889-8533|Work|845-392-7889 Cell|[email protected]|www.csc.com > > > > > > > > > > This is a PRIVATE message. If you are not the intended recipient, please > > > > delete without copying and kindly advise us by e-mail of the mistake in > > delivery. > > NOTE: Regardless of content, this e-mail shall not operate to bind CSC > to > > any order or other contract unless pursuant to explicit written > agreement > > or government initiative expressly permitting the use of e-mail for such > > > > purpose. > > > > > > > > From: > > Joe Comitini <[email protected]> > > To: > > [email protected] > > Date: > > 11/16/2009 11:15 AM > > Subject: > > Re: Hugepages+oracle 10.0.2.0.4 in sles10SP2 > > > > > > > > We're looking into it but I think the official word is that it's not > > supported by Oracle ... Please check with your Oracle rep > > > > Joe > > > > -----Original Message----- > > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > > Szefler Jakub > > Sent: Friday, November 06, 2009 6:08 AM > > To: [email protected] > > Subject: Hugepages+oracle 10.0.2.0.4 in sles10SP2 > > > > Hi, > > Did someone configure oracle and hugepages under SLES10SP2 and it works > ? > > > > > > Jakub Szefler > > Administrator Mainframe > > > > Pion Operacji IT Grupy TP/Departament Infrastruktury Wydział > > Infrastruktury Informatycznej Dział Platform Serwerowych i Pamięci > > Masowych > > > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, send > > email to [email protected] with the message: INFO LINUX-390 or > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO LINUX-390 or > > > > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > > > > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO LINUX-390 or > > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
