Re: Running on an NFS Mounted Directory

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От Fortuitous Technologies
Тема Re: Running on an NFS Mounted Directory
Дата
Msg-id pan.2006.05.02.14.58.50.836991@fortuitous.dot.nul
обсуждение исходный текст
Ответ на Running on an NFS Mounted Directory  (Ketema Harris <ketema@gmail.com>)
Список pgsql-performance
On Wed, 26 Apr 2006 23:55:24 -0500, Jim C. Nasby wrote:
> On Wed, Apr 26, 2006 at 07:35:42PM -0700, Steve Wampler wrote:
>> On Wed, Apr 26, 2006 at 10:06:58PM -0400, Ketema Harris wrote:
>> > I was wondering if there were any performance issues with having a data
>> > directory that was an nfs mounted drive?  Say like a SAN or NAS device? Has
>> > anyone done this before?
>>
>> My understanding is that NFS is pretty poor in performance in general,

 NFS is not a good choice for several reasons. First, NFS takes
priority in the system kernel, and will slow down all other
operations. Your best choice, as pointed out by others, is a DAS
solutions. If you must use NFS, you should consider putting it on
a fast dedicated network by itself.


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