Paper

Normalized Throughput
2
1.5
1
0.5
0
-7%
-7.4%
0%
-1%
Intel® Xeon® processor
E7-4870
Intel® Xeon® processor
E7-4890 v2
Performance of SAP HANA With and Without Encryption
[Workload: Testbed Framework for Online Transaction Processing (OLTP)]
Without Encryption
With Encryption
182GB 365GB 182GB 365GB
Figure 3. Performance Summary – Testbed Framework for Online Transaction
Processing (OLTP). [Source: Performance tests in SAP Co-Innovation Lab
6,7
]
Performance was measured with and
without data encryption. A number
of different tests were performed to
assess the performance impact of data
encryption in scenarios that closely reect
real-world deployments. The results for
two key workloads are described below.
Negligible Encryption Overhead
for OLTP-Bench
Workload: Testbed Framework for
Online Transaction Processing (OLTP)
An open-source OLTP workload was used
to determine how SAP HANA performs
when operating as the database for a
typical transactional business application.
The OLTP workload simulates an order-
entry application and includes a mix
of transactions commonly associated
with managing, selling, and distributing
a product or service. Performance
throughput is measured in transactions
per minute (tpm).
The team tested two scenarios to
determine the performance impact of
different volumes of data. In the rst
scenario, SAP HANA was loaded with
182 GB of data. In the second, it was
loaded with 365 GB of data. The results
are shown in Figure 3. (The throughput
measurements are normalized, using as
the baseline the throughput measured
for the previous-generation SAP HANA
platform, based on the Intel Xeon
processor E7-4870, when it was loaded
with 182 GB of data.)
In essence, the SAP HANA platform
based on the Intel Xeon processor E7
v2 family provided roughly 1.7x the
performance of the previous-generation
SAP HANA platform based on the Intel
Xeon processor E7 family.
6,7
In addition,
the performance overhead of encryption
was less than or equal to one percent on
the newer platform, showing that data
encryption can be applied pervasively,
with negligible impact on the performance
of SAP HANA.
SAP HANA with Vormetric
Transparent Data Encryption
Intel® Xeon® processor
E7 Family
Intel® Xeon® processor
E7 v2 Family
Total Performance with
Encryption (normalized)
~1.0 ~1.75x
Performance Impact
of Encryption
-7.0% (182 GB)
-7.4% (365 GB)
0% (182 GB)
-1% (365 GB)
8
Security in the Cloud for SAP HANA*