Hi,
On 2013-06-28 23:03:22 -0400, Bruce Momjian wrote:
> Did we decide against specifying huge pages in Postgres?
I don't think so. We need somebody to make some last modifications to
the patch though and Christian doesn't seem to have the time atm.
I think the bigger memory (size of the per pro
Did we decide against specifying huge pages in Postgres?
---
On Tue, Oct 30, 2012 at 09:16:07PM +0100, Christian Kruse wrote:
> Hey,
>
> ok, I think I implemented all of the changes you requested. All but
> the ia64 depende
On 2012-10-30 21:16:07 +0100, Christian Kruse wrote:
> +static long
> +InternalGetHugepageSize()
> +{
> + DIR *dir = opendir(HUGE_PAGE_INFO_DIR);
> + long smallest_size = -1, size;
> + char *ptr;
> ...
> + while((ent = readdir(dir)) != NULL)
> + {
This should be (Allocate|Read)
Oh, one more thing...
On 2012-10-30 21:16:07 +0100, Christian Kruse wrote:
> ok, I think I implemented all of the changes you requested. All but
> the ia64 dependent, I have to do more research for this one.
I vote for simply not caring about ia64.
This is:
> +#ifdef MAP_HUGETLB
> +# ifdef __i
Hi CK,
On 2012-10-30 21:16:07 +0100, Christian Kruse wrote:
> index b4fcbaf..66ed10f 100644
> --- a/doc/src/sgml/config.sgml
> +++ b/doc/src/sgml/config.sgml
I think a short introduction or at least a reference on how to configure
hugepages would be a good thing.
>
>temp_buffers (
Hi,
On Monday 29 October 2012 16:33:25 Tom Lane wrote:
> Christian Kruse writes:
> > I created a patch which implements MAP_HUGETLB for sysv shared memory
> > segments (PGSharedMemoryCreate). It is based on tests of Tom Lane and
> > Andres Freund, I added error handling, huge page size detection
Hey,
On 30/10/12 20:33, Andres Freund wrote:
> +#ifdef MAP_HUGETLB
> +# ifdef __ia64__
> +#define PG_HUGETLB_BASE_ADDR (void *)(0x8000UL)
> +#define PG_MAP_HUGETLB (MAP_HUGETLB|MAP_FIXED)
> +# else
>
> Not your fault, but that looks rather strange to me. The level of
> docum
Hey,
On Tuesday 30 October 2012 20:33:18 Andres Freund wrote:
> +#ifdef MAP_HUGETLB
> +# ifdef __ia64__
> +#define PG_HUGETLB_BASE_ADDR (void *)(0x8000UL)
> +#define PG_MAP_HUGETLB (MAP_HUGETLB|MAP_FIXED)
> +# else
>
> Not your fault, but that looks rather strange to me. The
Hey,
ok, I think I implemented all of the changes you requested. All but
the ia64 dependent, I have to do more research for this one.
Greetings,
CK
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index b4fcbaf..66ed10f 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/co
Hey,
On 30/10/12 20:33, Andres Freund wrote:
> +#ifdef MAP_HUGETLB
> +# ifdef __ia64__
> +#define PG_HUGETLB_BASE_ADDR (void *)(0x8000UL)
> +#define PG_MAP_HUGETLB (MAP_HUGETLB|MAP_FIXED)
> +# else
>
> Not your fault, but that looks rather strange to me. The level of
> docum
On Tuesday, October 30, 2012 08:20:33 PM Christian Kruse wrote:
> Hey,
>
> Oh man, first I didn't sent the email to the list and now I forgot the
> attachment. I should really get some sleep, sorry for any
> inconveniences :(
+#ifdef MAP_HUGETLB
+# ifdef __ia64__
+#define PG_HUGETLB_BASE_ADD
Hey,
Oh man, first I didn't sent the email to the list and now I forgot the
attachment. I should really get some sleep, sorry for any
inconveniences :(
Greetings,
CK
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index b4fcbaf..66ed10f 100644
--- a/doc/src/sgml/config.sgml
+++
Hi,
On 29/10/12 16:33, Tom Lane wrote:
> > I created a patch which implements MAP_HUGETLB for sysv shared memory
> > segments
> > (PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund,
> > I
> > added error handling, huge page size detection and a GUC variable.
>
> My recoll
Hi,
On 29/10/12 21:14, Peter Geoghegan wrote:
> I have a few initial observations on this.
Thanks for your feedback.
>
> * I think you should be making the new GUC PGC_INTERNAL on platforms
> where MAP_HUGETLB is not defined or available. See also,
> effective_io_concurrency. This gives sane err
On 29 October 2012 20:14, Christian Kruse wrote:
> created a patch which implements MAP_HUGETLB for sysv shared memory segments
> (PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund, I
> added error handling, huge page size detection and a GUC variable.
I have a few initial
On Monday, October 29, 2012 09:33:25 PM Tom Lane wrote:
> Christian Kruse writes:
> > I created a patch which implements MAP_HUGETLB for sysv shared memory
> > segments (PGSharedMemoryCreate). It is based on tests of Tom Lane and
> > Andres Freund, I added error handling, huge page size detection
Christian Kruse writes:
> I created a patch which implements MAP_HUGETLB for sysv shared memory
> segments
> (PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund, I
> added error handling, huge page size detection and a GUC variable.
My recollection is we'd decided not to
Hey,
this is my first post to the -hackers lists, so be merciful ;-)
I created a patch which implements MAP_HUGETLB for sysv shared memory segments
(PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund, I
added error handling, huge page size detection and a GUC variable.
P
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