Re: Server upgrade advice

From: Kenneth Marshall <ktm(at)rice(dot)edu>
To: Rory Campbell-Lange <rory(at)campbell-lange(dot)net>
Cc: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Server upgrade advice
Date: 2019-03-05 20:29:13
Message-ID: 20190305202913.GB15586@aart.rice.edu
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>
> Consequently we're thinking of the following replacement servers:
>
> postgres 11 (planned)
> supermicro 113TQ-R700W
> LSI MegaRAID 9271-8i SAS/SATA RAID Controller, 1Gb DDR3 Cache (PCIE- Gen 3)
> 500gb raid 1 /
> 2tb raid 10 /db
> with "zero maintenance flash cache protection"
> 256GB RAM (2666MHz DDR4)
> 2x E5-2680 v4 Intel Xeon, 14 Cores, 2.40GHz, 35M Cache,
>
> This configuration gives us lots more storage, double the RAM (with 8
> slots free) and just under 4x CPU (according to passmark) with lots more
> cores.
>
> We're hoping to get two to three years of service out of this upgrade,
> but then will split the cluster between servers if demand grows more
> than we anticipate.
>
> Any comments on this upgrade, strategy or the "zero maintenance" thingy
> (instead of a BBU) would be much appreciated.
>
> Rory
>

Hi Rory,

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.

Regards,
Ken

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