2017-06-12 7:52 GMT+12:00 Andrew Kerber <andrew.kerber@xxxxxxxxx>:
I am sure it does not.
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> On Jun 11, 2017, at 10:50 AM, pinker <pinker@xxxxxxx> wrote:
>
> Andrew Kerber wrote
>> I can't give you an absolutely authoritative answer, but because of the
>> way hugepages are implemented and allocated, I can't think how they could
>> be used for other processes. Linux hugepages are either 2m or 1g, far too
>> large for any likely processes to require. They cannot be allocated in
>> partial pages.
>
> thank you for your help.
> My system is using 2MB pages for shared buffers. I have checked and one of
> my processes has used 606788kB of memory, so potentially could use ~ 300
> huge pages, but does postgres can use it for non shared memory?
>
>
>
>
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In my case, we had the HugePages enabled but not configured in our Master DB Server. When we increased the server resources (More RAM & CPU) we had lots of issues with HugePages. Specially I/O ones. Had to disabled it.
Running Ubuntu 14.04 Server @ Amazon.
Lucas
