On 2016-04-14 12:05:39 +0200, Bernd Helmle wrote:
>
>
> --On 12. April 2016 13:20:10 -0700 Andres Freund wrote:
>
> >> When working with huge_pages, we initially got this error.
> >>
> >> munmap(0x3efbe400) failed: Invalid argument
> >
> > *munmap*, not mmap failed? that's odd; because th
hmpf; are you sure?
I just checked on our own rhel7 system, and RemoveIPC is set to 'no' by
default..
On Tue, Apr 12, 2016 at 10:26 PM, Tom Lane wrote:
> Andres Freund writes:
> > On 2016-04-12 21:58:14 +0200, reiner peterke wrote:
> >> Looking for some insight into this issue. the error from
--On 12. April 2016 13:20:10 -0700 Andres Freund wrote:
>> When working with huge_pages, we initially got this error.
>>
>> munmap(0x3efbe400) failed: Invalid argument
>
> *munmap*, not mmap failed? that's odd; because there the hugepagesize
> shouldn't have much of an influence. If somet
> On Apr 12, 2016, at 10:26 PM, Tom Lane wrote:
>
> Andres Freund writes:
>> On 2016-04-12 21:58:14 +0200, reiner peterke wrote:
>>> Looking for some insight into this issue. the error from the postgres
>>> log on ubuntu is below. It apperas to be related to semephores.
>
>> I've a bit of a
reiner peterke writes:
>> On Apr 12, 2016, at 10:20 PM, Andres Freund wrote:
>> I've a bit of a hard time believing that this is related to huge pages.
> Well all i have at the moment is that when we disabled huge pages on the
> kernel level and then restarted postgres there were no additional
> On Apr 12, 2016, at 10:20 PM, Andres Freund wrote:
>
> On 2016-04-12 21:58:14 +0200, reiner peterke wrote:
>> Hi
>>
>> We have been doing some testing with Postgres (9.5.2) compiled on a Power8
>> running Centos 7
>>
>> When working with huge_pages, we initially got this error.
>>
>> munma
Andres Freund writes:
> On 2016-04-12 21:58:14 +0200, reiner peterke wrote:
>> Looking for some insight into this issue. the error from the postgres
>> log on ubuntu is below. It apperas to be related to semephores.
> I've a bit of a hard time believing that this is related to huge pages.
I'm
On 2016-04-12 21:58:14 +0200, reiner peterke wrote:
> Hi
>
> We have been doing some testing with Postgres (9.5.2) compiled on a Power8
> running Centos 7
>
> When working with huge_pages, we initially got this error.
>
> munmap(0x3efbe400) failed: Invalid argument
*munmap*, not mmap faile
Hi
We have been doing some testing with Postgres (9.5.2) compiled on a Power8
running Centos 7
When working with huge_pages, we initially got this error.
munmap(0x3efbe400) failed: Invalid argument
after a bit of investigation we noticed that hugepagesize is har coded to 2MB
src/backend/p