Home > Workload Solutions > High Performance Computing > White Papers > HPC Software-Defined Storage with PixStor > Summary
The current solution was able to deliver fairly good performance, which is expected to be stable regardless of the used space (since the system was formatted in scattered mode), as can be seen in Table 4 MDtest distribution of files on directories. Furthermore, the solution scales in capacity and performance linearly as more storage nodes modules are added, and a similar performance increase can be expected from the optional high-demand metadata module.
Benchmark |
Peak Performance |
Sustained Performance |
||
Write |
Read |
Write |
Read |
|
Large sequential N clients to N files |
20.5 GB/s |
23 GB/s |
19.8 GB/s |
21 GB/s |
Large sequential N clients to single shared file |
20.2 GB/s |
21.7 GB/s |
18 GB/s |
21.3 GB/s |
Random small blocks N clients to N files |
18.4K IOPS |
12.4K IOPS |
18.4K IOPS |
12.4K IOPS |
Metadata Create empty files |
232.2K Ops |
150K Ops |
||
Metadata Stat empty files |
5.34M Ops |
2.9M Ops |
||
Metadata Read empty files |
2.73M Ops |
2M Ops |
||
Metadata Remove empty files |
189.2K Ops |
130K Ops |
||
Metadata Create 4KiB files |
70.76K Ops |
61K Ops |
||
Metadata Stat 4KiB files |
8.62M Ops |
4.1M Ops |
||
Metadata Read 4KiB files |
5.65M Ops |
3.2M Ops |
||
Metadata Remove 4KiB files |
285.9K Ops |
231.7K Ops |