Re: hugepages question

Ooops sorry yes Oracle Linux 7.4

On Wed, Feb 13, 2019 at 4:31 PM Paul Drake <bdbafh_at_gmail.com> wrote:

> OS info might be relevant.
>
> Assuming Linux:
>
> ipcs -m
> cat /proc/meminfo
>
>
>
> On Wed, Feb 13, 2019, 7:12 PM Jeff Chirco <backseatdba_at_gmail.com wrote:
>
>> Ok I just recently enabled hugepages on Production and Development.
>> Everything is going good but I noticed that on my development environment
>> which consists of a bunch of thin clones, when I remove and recreate the
>> same clone the database fails to create, I am getting:
>>
>> ORA-27137: unable to allocate large pages to create a shared memory segment
>>
>> I have the parameter *use_large_pages=ONLY*
>> So it makes sense I would get this error when there is not enough pages.
>> However I just removed this same database and am recreating it. I would
>> think that would free it up but apparently not. Does pages not get
>> released immediately when a database is removed? Is there something I
>> should run to free it? Or just not have use_large_pages=ONLY and leave it
>> at TRUE on Dev? I had to set it to TRUE to get this database up.
>>
>> Thanks,
>> Jeff
>>
>

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