Performance/vConsolidate-UP

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Benchmark Description

The goal of Intel vConsolidate benchmark is to measure aggregated server performance in consolidation scenario: when different (and non-related unlike to LAMP benchmark) applications are running on the same box each in its own virtual environment (virtual machine or container).

vConsolidate benchmark was developed by Intel in cooperation with other vendors. It runs separate workloads with Java (SPECjbb test), Mail, Web and Database VMs running concurrently. Each set of such VMs is called CSU - Consolidation Stack Unit. Performance metric is a geomean from throughput of each workload type: transactions/sec for Db, requests/sec for Web and java operations/sec for Java. The same type of metric is commonly used in other benchmarks like those from SPEC.

vConsolidate benchmark is very similar to other virtualization specific benchmarks like VMMark from VMWare and SPECvirt, but the latter are more enterprise oriented and generate the load requiring a fast SAN storage and high end hardware. Since we believe containers benefits are even more prominent on commodity hardware we use vConsolidate benchmark to demonstrate that.

Implementation

Intel vConsolidate v1.1. We do not run Mail VM as Intel benchmark has Microsoft Windows version only for mail workload.

Testbed Configuration

Hardware:

  • Server: 4xHexCore Intel Xeon (2.66 GHz), 64 GB RAM, HP MSA1500 SAN Storage, 8 SATA (7200 RPM) Disks in RAID0
  • Client: 4xHexCore Intel Xeon (2.136 GHz), 32 GB RAM
  • Network: 1 Gbit direct server <-> client connection

Platform:

  • Virtualization Software:ESXi4.1upd1, XenServer5.6fp1, HyperV (R2), OpenVZ (RH5) 2.6.18-028stab085.3
  • Guest OS: Centos 5.5 x86_64

Software and Tunings:

  • Each VM/CT was configured with 1 vCPU, 1 GB RAM
  • Custom vConsolidate profile was used: 4 load threads for Java workload, 4 load threads for Db workload and 8 threads for Web workload (standard settings).
  • Firewall was turned off
  • All other settings were left as defaults

Benchmark Results

Vconsolidate-UP.png

Vconsolidate-up-table.png

Summary

  • Even on a small number of workloads OpenVZ virtualization demonstrates ~20% better overall performance compared to fastest VM products
  • When more and more workloads are added to the server OpenVZ demonstrated ~25% better overall perforamnance

TODO

  • add links to benchmarks
  • TODO: write summary
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