SPC-1 performance report as of August 2020

In Huawei, INSPUR storage, IOPS, OceanStor, SPC, SPC-1 by AdministratorLeave a Comment

This Storage Intelligence (StorInt™) dispatch covers Storage Performance Council (SPC) results . Since our last report on SPC-1 results, one quarter ago, there have been 2 new SPC-1 v3 submissions, the Huawei OceanStor™ 5510 V5 and the Inspur AS5500G2 AFAs. There have been no new SPC-2 submissions since our report last month.

SPC-1 results


We begin our discussion with top 10 SPC-1 IOPS™ performance in Figure 1.

Figure 1 Top 10 SPC-1 IOPS

The new Huawei OceanStor 5510 V5 came it at our new #9 with 3.8M IOPS and the Inspur Inspur AS5500G2 came in at #10 with 3.3M IOPS.

The OceanStor 5510 V5 was an 8 controller (4 active-active node cluster) system with a total of 2TB of system memory and 96 960GB SSDs. It used 8-16Gbps FC for host IO access, 25Gbps RDMA capable Ethernet for inter-cluster communications and SAS connected SSDs.

The AS5500G2 also was an 8 controller (4 dual controller node) system with a total of 1TB of system memory and 200 1.92TB SSDs. It used 48-16Gbps FC for host IO access and SAS connected SSDs. Unclear what the Inspur used for inter-cluster communications.

Neither of the new systems made the cut for top 10 LRT, with the Inspur AS5500G2 just missing top 10 with an LRT of 0.16 msec and the Huawei OceanStor 5510 V5 at ~0.21 msec.

However, the Inspur AS5500G2 system did manage to do well in our IOPS/($/GB) chart shown in Figure 2.

Figure 2 SCI derived Top 10 SCI SPC-1 IOPS/($/GB)


The new Inspur AS5500G2 system joins its big brother on this chart as our new #3 with ~465K IOPS/($/GB). We prefer this metric to the standard SPC-1 Price Performance ($/KIOPS), which for the AS5500G2 was $295.73. At that level it wouldn’t have ranked the top ten for $/KIOPS chart.

The Huawei OceanStor 5510 V5 achieved ~87.5K IOPS/($/GB). One challenge for the price performance is that some systems are quoted in non-USD prices, such as the OceanStor 5510 V5 which was quoted as 12.2M CNY. For these systems, we use a conversion ratio chosen on the day we add a system to our charts. On the day we added the OceanStor 5510 V5 submission, 1.00CNY was worth 0.15USD, so we used a price of ~1.8M USD and at 3.8M IOPS, its price performance is ~$481.48/KIOPS.

In contrast, for these systems, SPC-1 quotes their price performance metric in the submission’s currency.

In Figure 3, we present one of our flash effectiveness metrics the top 10 IOPS/SSD.

Figure 3 SCI derived SPC-1 IOPS/SSD

As we can see in Figure 3, the new Huawei OceanStor 5510 V5 came in at our new #3 with ~39.6K IOPS/SSD (3.8M IOPS for 96 drives). The Inspur AS5500G2 did not crack into the top ten with its 16.5K IOPS/SSD (3.3M IOPS for 200 drives).

Significance

It’s great to see new SPC-1 submissions especially when they rank high in some of our charts. At 3.8M IOPS for the Huawei OceanStor 5510 V5 and 3.3M IOPS for the Inspur AS5500G2, they seemed to perform well, but they only managed to rank #9 and 10 in top IOPS, respectively.

As we have mentioned in prior SPC-1 reports, we have yet to settle on one flash effectiveness metric. So, on occasion you may see IOPS/GB-NAND instead of IOPS/SSD. They both seem to show different aspects of flash performance effectiveness. Indeed, the OceanStor 5510 V5 at 41.24 IOPS/GB-NAND would have just missed ranking in our top ten for that metric.

As always, suggestions on how to improve any of our performance analyses are welcomed.

[This storage performance was originally sent out to our newsletter subscribers in August of 2020.  If you would like to receive this information via email please consider signing up for our free monthly newsletter (see subscription request, above right) and we will send our current issue along with download instructions for this and other reports. Dispatches are posted to our website at least a quarter or more after they are sent to our subscribers. ]  

Silverton Consulting, Inc., is a U.S.-based Storage, Strategy & Systems consulting firm offering products and services to the data storage community.

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