View source for Hedvig: Performance over nfs

== Performace on NFS ==
'''Note''': Cleint side cahe is not yet deployed.

* Simple NFs without Dedup , no client side cache , no compression. On simple system.
 dd if=/dev/zero of=test1.img bs=1024 count=10000000

{| class="wikitable"
| 10kb
| 437kB/s
|-
| 100kb
| 4,4 Mb/s
|-
| 1MB
| 32.2MB/s
|-
| 10MB
| 162MB/s
|-
| 100MB
| 204MB/s
|-
| 1GB
| 6 MB/s
|-
|}

* NFS with DEDUP , Client side cache , Inline compression. 

{| class="wikitable"
| 10kb
| 650kB/s
|-
| 100kb
| 5,4 Mb/s
|-
| 1MB
| 38.2MB/s
|-
| 10MB
| 192MB/s
|-
| 100MB
| 311MB/s
|-
| 1GB
| 339 MB/s
|-
| 10GB
| 317MB/s
|}

* We can see the effect of Dedup when /dev/zero is replaced with /dev/urandom . It performs like normal nfs. 
  dd if=/dev/urandom of=test8.img bs=1024 count=1000000

{| class="wikitable"
| 10kb
| 449kB/s
|-
| 100kb
| 3 MB/s
|-
| 1MB
| 6.2 MB/s
|-
| 10MB
| 8MB/s
|-
| 100MB
| 9.9MB/s
|-
| 1GB
| 9.8 MB/s
|-
| 10GB
| 7 MB/s
|}