| From: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: PostgreSQL and HugePage |
| Date: | 2010-10-20 03:05:37 |
| Message-ID: | 4CBE5C81.10300@catalyst.net.nz |
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| Lists: | pgsql-hackers |
On 20/10/10 15:10, Robert Haas wrote:
> On Tue, Oct 19, 2010 at 8:39 PM, Hsien-Wen Chu<chu(dot)hsien(dot)wen(at)gmail(dot)com> wrote:
>
>> I want to use hugepage function on Linux platform, my question is if
>> PostgreSQL supports hugepage in default, if not, what's the code need to be
>> modified?
>>
> Unfortunately, I don't think this is too simple. PostgreSQL uses sysv
> shared memory, not POSIX shared memory. I don't know of a way to use
> sysv shared memory with hugetlb.
>
>
According to:
shmget and friends are hugetlbpage aware, so it seems it should 'just
work'. However, I have not checked...
Cheers
Mark
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