| From: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
|---|---|
| To: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, "Jeff Janes *EXTERN*" <jeff(dot)janes(at)gmail(dot)com> |
| Cc: | Stephen Frost *EXTERN* <sfrost(at)snowman(dot)net>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: NFS, file system cache and shared_buffers |
| Date: | 2014-05-30 07:12:05 |
| Message-ID: | A737B7A37273E048B164557ADEF4A58B17CFF1B6@ntex2010i.host.magwien.gv.at |
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| Lists: | pgsql-performance |
I wrote:
>Jeff Janes wrote:
>>>> All that said, there has always been a recommendation of caution around
>>>> using NFS as a backing store for PG, or any RDBMS..
>>>
>>> I know that Oracle recommends it - they even built an NFS client
>>> into their database server to make the most of it.
>>
>> Last I heard (which has been a while), Oracle supported specific brand named implementations of NFS,
>> and warned against any others on a data integrity basis.
>
> I couldn't find any detailed information, but it seems that only certain
> NFS devices are supported.
For the record: Oracle support told me that all NFS is supported on Linux,
regardless of the device. "Supported" does not mean "recommended", of course.
Yours,
Laurenz Albe
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