1. Using the SNIA CIFS Benchmark Client to Test Samba Performance
John Terpstra
Samba Team

2. The Test Setup Server: AMD dual MP1500+, 1GB
3Ware RAID controller RAID0
3 WD 60GB 7200 drives from Frys
Driver: AMD dual MP1600+, 512MB
Network: Intel GigE
Linux EXT2
Windows 2000 NTFS
No tuning of either environment
A New CIFS Benchmark, 2002

3. Test Procedure Installed Client on driver system Built it
Ran shell script to gather data
1, 2, 5, 10, 15, … 60 clients
Used client_plain_noclean.txt
Very simple to build and run
A New CIFS Benchmark, 2002

4. Socklib throughput Platform can saturate GigE
A New CIFS Benchmark, 2002

5. Throughput Samba & Win2K
A New CIFS Benchmark, 2002

6. Analysis of Comparison
EXT2 and NTFS have different goals
NTFS is a journaling file system with data journaling
Expect EXT2 performance to be better
A New CIFS Benchmark, 2002

7. Average Latencies for Samba
A New CIFS Benchmark, 2002

8. Analysis of Latencies
Something odd about Query File System Info and Query File Info
Especially since they are moving very little data
Write has higher average latency than read
To be expected
A New CIFS Benchmark, 2002

9. Read and Write Throughput
A New CIFS Benchmark, 2002

10. Total Contribution of each Op
A New CIFS Benchmark, 2002

11. Make Priority Setting Easy
Focus on the operations with biggest overall contribution
Reduce total benchmark time
Improve throughput
Implementing sendfile for reads can make a big difference
A New CIFS Benchmark, 2002

12. Further work Comparison of other file systems
EXT2
EXT3
Reiser
XFS
Easier result extraction needed
Perl script or similar
Produce a csv file of all relevant data
A New CIFS Benchmark, 2002

13. Acknowledgments Andrew Tridgell Samba Team Steve French Swami Ramany
Dan Oldman
Jim Norton
Tamir Ram
Rakesh Sharma
Richard Sharpe
A New CIFS Benchmark, 2002