Dell PowerEdge External Media System 1434 Improving NFS performance on HPC clu - Page 21
File create, File stat, Metadata file create performance,
 |
View all Dell PowerEdge External Media System 1434 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 21 highlights
Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS Number of create() ops per second 45000 40000 35000 30000 25000 20000 15000 10000 5000 0 Figure 9. Metadata file create performance File create 1 2 4 8 16 32 48 64 128 256 512 Number of concurrent clients baseline DFC-WB DFC-WT File create and file remove tests show similar results with the baseline out-performing the DFC configuration. File stat is a read operation and here the DFC configuration outperforms the baseline by up to 80%. Figure 10. Metadata file stat performance Number of stat() ops per second 200000 180000 160000 140000 120000 100000 80000 60000 40000 20000 0 1 File stat 2 4 8 16 32 48 64 128 256 512 Number of concurrent clients baseline DFC-WB DFC-WT 21
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
 |
 |
Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS
21
Metadata file create performance
Figure 9.
File create and file remove tests show similar results with the baseline out-performing the DFC
configuration. File stat is a read operation and here the DFC configuration outperforms the baseline by
up to 80%.
Metadata file stat performance
Figure 10.
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
1
2
4
8
16
32
48
64
128
256
512
Number of create() ops per second
Number of concurrent clients
File create
baseline
DFC-WB
DFC-WT
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
1
2
4
8
16
32
48
64
128
256
512
Number of stat()
ops per second
Number of concurrent clients
File stat
baseline
DFC-WB
DFC-WT