Re: Server upgrade advice
От | Kenneth Marshall |
---|---|
Тема | Re: Server upgrade advice |
Дата | |
Msg-id | 20190305211845.GC15586@aart.rice.edu обсуждение исходный текст |
Ответ на | Re: Server upgrade advice (Rory Campbell-Lange <rory@campbell-lange.net>) |
Список | pgsql-general |
> > > Is there a reason not to consider an all flash solution? The AMD EPYC > > processor series supports enough NVMe channels to support your sizing. > > The 7401P single processor is a good value proposition. > > Hi Ken > > Thanks very much for your response. > > I'm completely naive about the uses of NVMe. Does it support RAID, for > instance? Since we are not IO-bound at the moment, do you believe NVMe > would relieve our RAM/CPU problems? > > I'd be grateful for some pointers to database-related NVMe info. > > Many thanks > Rory Hi Rory, NVMe is just a block device. It does have much, much higher I/O bandwidth than standard disks, 4GB/s versus 100MB/s. I am just starting with NVMe and SSD for databases. Hopefully, some other more experienced users can chime in. Regards, Ken
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